2024屆高考英語一輪復(fù)習(xí)《全優(yōu)課堂》核心語法項(xiàng)項(xiàng)破課件:專題9 情態(tài)動(dòng)詞和虛擬語氣(新人教版)
根據(jù)括號中的動(dòng)詞提示,用適當(dāng)?shù)奶摂M語氣完成下面的句子 1.I wish I _________(be) at my sister's wedding last Tuesday, but I was on a business trip in New York then.(2024天津) 2.Ellen is a fantastic dancer.I wish I__________(dance) as well as her.(2024陜西)
3.We would rather our daughter ________(stay) at home with us, but it is her choice, and she is not a child any longer.(2024陜西) 【答案】1.had been 2.danced 3.stayed 三、(should+) do …結(jié)構(gòu)的虛擬語氣 1.用于表示建議、愿望、命令等動(dòng)詞后的賓語從句中 動(dòng)詞demand, order, require, insist, suggest, propose, advise, request, urge, command, prefer, desire, recommend等的賓語從句中的虛擬語氣結(jié)構(gòu)為“should+動(dòng)詞原形”,should可以省略。
2.用于主語從句中 在It is desired/suggested/proposed/ recommended/necessary/important/strange/natural/a pity/essential+ that從句中,從句的謂語動(dòng)詞用“should+動(dòng)詞原形”,should可以省略。 3.用于表語從句和同位語從句中 在suggestion, proposal, order, plan, idea, request, advice等名詞后的表語從句和同位語從句中要用虛擬語氣,其構(gòu)成是“should+動(dòng)詞原形”,should可以省略。 He recommended that the task should be finished tomorrow.
【易錯(cuò)點(diǎn)津】 當(dāng)suggest表示“暗示,表明”,insist表示“堅(jiān)持說”之意時(shí),suggest/insist后的賓語從句不使用虛擬語氣,應(yīng)使用陳述語氣。
根據(jù)括號中的動(dòng)詞提示,用適當(dāng)?shù)奶摂M語氣完成下面的句子 1.My mom suggests that we ________(eat) out for a change this weekend.(2024陜西) 2.Eye doctors recommend that a child's first eye exam _________(be) at the age of six months old.(2024浙江) 3.The order came that the medical supplies_______ (send) to the earthquake-stricken area soon. 4.The expression on his face suggested that he ______(be) ill, and it was suggested that he ____________(send) to the hospital right now. 5.He insisted that he _______(not break) the law and he insisted that he __________(set) free right now.
【答案】1.(should) eat 2.(should) be 3.(should) be sent 4.was; (should) be sent 5.had not broken; should be set
四、含蓄條件句中的虛擬語氣 有時(shí)假設(shè)的情況并不以條件從句表示,而是由otherwise, but, or, without, but for (要不是;如果沒有)等來引導(dǎo)或者通過上下文引出。 根據(jù)括號中的動(dòng)詞提示,用適當(dāng)?shù)奶摂M語氣完成下面的句子 1. It is lucky we booked a room, or we _________(have) nowhere to stay now.(2024安徽) 2. Without his wartime experiences, Hemingway ________(not write) his famous novel A Farewell to Arms.(2024重慶) 3.They were abroad during the months when we were carrying out the investigation, or they ________ (come)to our help.(2024浙江) 4.We lost our way in that small village, otherwise we________ (visit) more places of interest yesterday.(2024福建) 5.We________(put)John's name on the race list yesterday but for his recent injury.
【答案】1.would have 2.wouldn't have written 3.would have come 4.would have visited 5.would/could/might have put
五、其他句型中的虛擬語氣 1.在“It is (about/high) time+that從句”中,謂語動(dòng)詞常用過去式或“should+動(dòng)詞原形”表示虛擬語氣。 2.在if only引導(dǎo)的感嘆句中,用虛擬語氣表示愿望。 3.a(chǎn)s if, as though引導(dǎo)的表語從句和方式狀語從句中常用虛擬語氣,與現(xiàn)在事實(shí)相反用一般過去時(shí);與過去事實(shí)相反用過去完成時(shí)。 根據(jù)括號中的動(dòng)詞提示,用適當(dāng)?shù)奶摂M語氣完成下面的句子 1. It was John who broke the window.Why are you talking to me as if I ________ (do)it?(2024重慶) 2.Jack is a great talker.It's high time that he _________(do) something instead of just talking.(2024遼寧) 3.Don't handle the vase as if it _________ (make) of steel.(2024北京) 4.Who does that shop assistant think he is?He behaves as if he__________ (own) the grocery. 5.—It's raining hard and we can't go picnicking today. —If only the weather______(be) fine! 【答案】1.had done 2.did/should do 3.were made
4.owned 5.were 專題九 情態(tài)動(dòng)詞和虛擬語氣 一、常用情態(tài)動(dòng)詞的基本用法 1.can,could的用法 情態(tài)動(dòng)詞 情態(tài)動(dòng)詞 用法 can/ could 表能力 can表示現(xiàn)在的能力,could表示過去的能力。 表請求 could不表示過去,只表示語氣的委婉、客氣,但回答時(shí)必須用can。 情態(tài)動(dòng)詞 用法 can/ could 表可能性 (1)一般用在否定句及疑問句中,could可用于肯定句; (2)用于肯定句,表示理論上的可能性或一時(shí)的情況;常譯為“有時(shí)會(huì)”。 表情感 用于否定句、疑問句和感嘆句中,表驚奇、懷疑、不相信的態(tài)度。 固定句型 cannot…too/enough表示“無論……也不過分;越……越好”; cannot but do sth.表示“只能,不得不”。 情態(tài)動(dòng)詞 用法 易錯(cuò) 點(diǎn)津 (1)表示能力時(shí),can與be able to意義相同,但是can僅用在一般現(xiàn)在時(shí)及一般過去時(shí)(could),be able to可用于更多時(shí)態(tài); (2)過去形式的could與was/were able to相比,could僅說明具備某種能力,而was/were able to則側(cè)重通過某種努力已經(jīng)達(dá)到某種結(jié)果,常譯為“成功做到了”。
2.may,might的用法 情態(tài)動(dòng)詞 用法 may/ might 表請求、允許 might不表示過去,僅表示語氣更加委婉、客氣。 表可能性 表示把握性不大的推測,不用于疑問句中;might表示的可能性比may更小。 情態(tài) 動(dòng)詞 用法 may/ might 表祝愿 表示祝愿時(shí)將may放在句首,其后的句子要用動(dòng)詞原形。 固定 用法 may/might as well do sth.是其常見的固定用法,意為“不妨做某事;還是做某事為好”。 3.will,would的用法 情態(tài)動(dòng)詞 用法 will/ would 用于第二人稱作主語的疑問句,表示請求、建議等。 表示意志、決心或愿望。 表示客觀上的習(xí)慣,will表示現(xiàn)在,would表示過去。 表示推測或猜想。 表示按規(guī)律“注定會(huì)”。 情態(tài)動(dòng)詞 用法 易錯(cuò)點(diǎn)津 would表示過去的習(xí)慣時(shí)僅指動(dòng)作,而且不與現(xiàn)在作對比;used to表示過去的習(xí)慣動(dòng)作或狀態(tài),而且與現(xiàn)在作對比,說明現(xiàn)在這種動(dòng)作或狀態(tài)已經(jīng)不存在。 4.should,shall,ought to的用法 情態(tài)動(dòng)詞 用法 shall 用在第一、三人稱的疑問句中,表示征求對方的意見或請示。 用于第二、三人稱的陳述句,表示說話者的命令、警告、許諾、威脅等語氣;此外,用于法律、規(guī)定時(shí)用shall。 情態(tài)動(dòng)詞 用法 should 表示義務(wù)、責(zé)任、勸告或建議,意為“應(yīng)該”,與ought to基本相同;should表示主觀,ought to表示客觀。 用于表示預(yù)測,意為“應(yīng)該會(huì);按理說;想必會(huì)”。 用在表示感情或意志等的that從句中,意為“竟然……;居然……”。 情態(tài)動(dòng)詞 用法 ought to 表示義務(wù),意為“應(yīng)當(dāng)”,語氣比should強(qiáng)。 表示“推測”,常用于肯定句、否定句中。 易錯(cuò)點(diǎn)津 ought to表推測時(shí),語氣要比must輕,表示并非十分肯定,而must則表示十分肯定。
5.must,have to的用法 情態(tài) 動(dòng)詞 用法 must must表示非常有把握的推測,僅用于肯定句。 表示“必須;應(yīng)該”。 表示說話者的感情色彩,暗含不耐煩或與自己的愿望相反,意為“偏要;非要”。 情態(tài)動(dòng)詞 用法 have to 意為“必須;不得不”時(shí),意義與must相近,但must表示說話人的主觀看法;而have to強(qiáng)調(diào)客觀需要。 易錯(cuò)點(diǎn)津 (1)在回答must的問句時(shí),否定回答通常用needn't或don't have to;
(2)mustn't表示“禁止;不許”;而don't have to表示“不必”; (3)must只有一種形式,而have to有人稱、時(shí)態(tài)和單復(fù)數(shù)的變化。 6.need,dare的用法 情態(tài)動(dòng)詞 用法 need 表示“需要、必要”之意,作情態(tài)動(dòng)詞時(shí),僅用于否定句和疑問句中,且只有現(xiàn)在時(shí),其他時(shí)態(tài)常用have to的相應(yīng)形式代替。 若用作實(shí)義動(dòng)詞時(shí),其變化與一般動(dòng)詞相同,后面可以接“to+動(dòng)詞原形”作賓語。 情態(tài)動(dòng)詞 用法 dare 表示“敢,敢于”之意,作情態(tài)動(dòng)詞,主要用于疑問句、否定句和條件句中,一般不用于肯定句中。 用作實(shí)義動(dòng)詞時(shí),其變化形式與一般動(dòng)詞相同,在肯定句中,dare后面通常接帶to的不定式,在否定句和疑問句中,dare后面既可接帶to的不定式,也可接不帶to的不定式。 情態(tài)動(dòng)詞 用法 易錯(cuò) 點(diǎn)津 (1)dare用作情態(tài)動(dòng)詞時(shí),有dare,dared兩種形式; (2)dare用作實(shí)義動(dòng)詞時(shí),后接不定式,不定式符號to可省去,但dare以分詞形式出現(xiàn)時(shí),不定式符號to不能省略。 根據(jù)句意用適當(dāng)?shù)那閼B(tài)動(dòng)詞完成下面的句子 1. —Can't you stay a little longer? —It's getting late.I really ________ go now.My daughter is home alone.(2024北京) 2.You _________ feel all the training a waste of time, but I'm a hundred percent sure later you'll be grateful you did it.(2024陜西) 3.You _________ be careful with the camera.It costs!(2024四川) 4. It was so noisy that we ________ hear ourselves speak.(2024浙江) 5.You ________be Carol.You haven't changed a bit after all these years.(2024重慶) 6.It was sad to me that they, so poor themselves, ________ bring me food.(2024江蘇) 7.I still remember my happy childhood when my mother ________ take me to Disneyland at weekends.(2024四川) 8. I've ordered some pizza, so we________ worry about cooking when we get home tired.(2024重慶) 9.One of our rules is that every student ________ wear school uniform while at school.
10.I________ thank you too much for all your help to my son while we were away from home. 【答案】1.must 2.may/might 3.must 4.couldn't 5.must 6.should 7.would 8.needn't 9.shall 10.can't
二、“情態(tài)動(dòng)詞+have done”的??加梅?情態(tài)動(dòng)詞+have done 用法 must have done sth. 一定做過某事,其否定形式為can't/couldn't have done。 can/could have done sth. 1.本來能夠做但卻未做;2.可能做過某事。 can't/couldn't have done sth. 不可能做過某事。 情態(tài)動(dòng)詞+have done 用法 may/might have done sth. 或許/可能做過某事。 should/ought to have done sth. 本該做但卻未做某事,其否定形式表示本不該做但卻做了。 needn't have done sth. 做了本沒有必要做的某事。 根據(jù)括號內(nèi)的漢語提示完成下面的句子 1. I ___________(本沒必要擔(dān)心) before I came to the new school, for my classmates here are very friendly to me.(2024天津) 2.—Sorry, Mum! I failed the job interview again. —Oh, it's too bad.You _______(本應(yīng)做) full preparations.(2024福建) 3. I ______________(不可能玩) myself more—it was a perfect day.(2024浙江) 4. Since nobody gave him any help, he ____________ (一定做)the research on his own.(2024課標(biāo)Ⅱ) 5. —Why are your eyes so red? You ______________(不可能睡好) last night. —Yeah. I stayed up late writing a report.(2024四川)
【答案】1.needn't have worried 2.should have made 3.couldn't have enjoyed 4.must have done 5.could't have slept well 一、虛擬語氣在非真實(shí)性條件句中的用法 虛擬語氣 時(shí)間 虛擬條件從句 主句 與現(xiàn)在事實(shí) 相反的假設(shè) If+主語+動(dòng)詞的過去式(be動(dòng)詞用were)。 主語+should/would/could/might+動(dòng)詞原形。 與過去事實(shí) 相反的假設(shè) If+主語+had+過去分詞。 主語+should/would/could/might+have+過去分詞。 時(shí)間 虛擬條件從句 主句 與將來事實(shí) 相反的假設(shè) 1.If+主語+動(dòng)詞的過去式。 2.If+主語+were to+動(dòng)詞原形。 3.If+主語+should+動(dòng)詞原形。 主語+should/would/could/might+動(dòng)詞原形。 時(shí)間 虛擬條件從句 主句 易錯(cuò)點(diǎn)津 (1)在虛擬語氣的從句中,動(dòng)詞be的過去時(shí)態(tài)一律用were,不用was,即從句中的be用were代替; (2)當(dāng)條件狀語從句表示的行為和主句表示的行為所發(fā)生的時(shí)間不一致時(shí),被稱為“錯(cuò)綜時(shí)間條件句”,動(dòng)詞的形式要根據(jù)它所表示的時(shí)間做出相應(yīng)的調(diào)整; (3)在虛擬條件狀語從句中可省略if,把were, had, should提到句首,變?yōu)榈寡b句式。 根據(jù)括號中的動(dòng)詞提示,用適當(dāng)?shù)奶摂M語氣完成下面的句子 1.If I _________(not see) it with my own eyes, I wouldn't have believed it.(2024北京) 2.It might have saved me some trouble _________(I know) the schedule.(2024江蘇) 3.We ________(be) back in the hotel now if you didn't lose the map.(2024北京) 4.Had he caught the morning train, he __________________ (not be) late for the meeting.(2024天津) 5.If Mr.Dewey ________ (be) present, he would have offered any possible assistance to the people there.(2024湖南) 【答案】1.hadn't seen 2.had I known 3.would be 4.would not have been 5.had been 二、wish與would rather賓語從句的虛擬語氣 wish與would rather賓語從句的虛擬語氣。 時(shí)間 would rather wish 過去 主語+動(dòng)詞過去分詞。 現(xiàn)在 主語+動(dòng)詞過去式(be用were)。 將來 主語+動(dòng)詞過去式(be用were)。 主語+would/could/might+動(dòng)詞原形。
根據(jù)括號中的動(dòng)詞提示,用適當(dāng)?shù)奶摂M語氣完成下面的句子 1.I wish I _________(be) at my sister's wedding last Tuesday, but I was on a business trip in New York then.(2024天津) 2.Ellen is a fantastic dancer.I wish I__________(dance) as well as her.(2024陜西)
3.We would rather our daughter ________(stay) at home with us, but it is her choice, and she is not a child any longer.(2024陜西) 【答案】1.had been 2.danced 3.stayed 三、(should+) do …結(jié)構(gòu)的虛擬語氣 1.用于表示建議、愿望、命令等動(dòng)詞后的賓語從句中 動(dòng)詞demand, order, require, insist, suggest, propose, advise, request, urge, command, prefer, desire, recommend等的賓語從句中的虛擬語氣結(jié)構(gòu)為“should+動(dòng)詞原形”,should可以省略。
2.用于主語從句中 在It is desired/suggested/proposed/ recommended/necessary/important/strange/natural/a pity/essential+ that從句中,從句的謂語動(dòng)詞用“should+動(dòng)詞原形”,should可以省略。 3.用于表語從句和同位語從句中 在suggestion, proposal, order, plan, idea, request, advice等名詞后的表語從句和同位語從句中要用虛擬語氣,其構(gòu)成是“should+動(dòng)詞原形”,should可以省略。 He recommended that the task should be finished tomorrow.
【易錯(cuò)點(diǎn)津】 當(dāng)suggest表示“暗示,表明”,insist表示“堅(jiān)持說”之意時(shí),suggest/insist后的賓語從句不使用虛擬語氣,應(yīng)使用陳述語氣。
根據(jù)括號中的動(dòng)詞提示,用適當(dāng)?shù)奶摂M語氣完成下面的句子 1.My mom suggests that we ________(eat) out for a change this weekend.(2024陜西) 2.Eye doctors recommend that a child's first eye exam _________(be) at the age of six months old.(2024浙江) 3.The order came that the medical supplies_______ (send) to the earthquake-stricken area soon. 4.The expression on his face suggested that he ______(be) ill, and it was suggested that he ____________(send) to the hospital right now. 5.He insisted that he _______(not break) the law and he insisted that he __________(set) free right now.
【答案】1.(should) eat 2.(should) be 3.(should) be sent 4.was; (should) be sent 5.had not broken; should be set
四、含蓄條件句中的虛擬語氣 有時(shí)假設(shè)的情況并不以條件從句表示,而是由otherwise, but, or, without, but for (要不是;如果沒有)等來引導(dǎo)或者通過上下文引出。 根據(jù)括號中的動(dòng)詞提示,用適當(dāng)?shù)奶摂M語氣完成下面的句子 1. It is lucky we booked a room, or we _________(have) nowhere to stay now.(2024安徽) 2. Without his wartime experiences, Hemingway ________(not write) his famous novel A Farewell to Arms.(2024重慶) 3.They were abroad during the months when we were carrying out the investigation, or they ________ (come)to our help.(2024浙江) 4.We lost our way in that small village, otherwise we________ (visit) more places of interest yesterday.(2024福建) 5.We________(put)John's name on the race list yesterday but for his recent injury.
【答案】1.would have 2.wouldn't have written 3.would have come 4.would have visited 5.would/could/might have put
五、其他句型中的虛擬語氣 1.在“It is (about/high) time+that從句”中,謂語動(dòng)詞常用過去式或“should+動(dòng)詞原形”表示虛擬語氣。 2.在if only引導(dǎo)的感嘆句中,用虛擬語氣表示愿望。 3.a(chǎn)s if, as though引導(dǎo)的表語從句和方式狀語從句中常用虛擬語氣,與現(xiàn)在事實(shí)相反用一般過去時(shí);與過去事實(shí)相反用過去完成時(shí)。 根據(jù)括號中的動(dòng)詞提示,用適當(dāng)?shù)奶摂M語氣完成下面的句子 1. It was John who broke the window.Why are you talking to me as if I ________ (do)it?(2024重慶) 2.Jack is a great talker.It's high time that he _________(do) something instead of just talking.(2024遼寧) 3.Don't handle the vase as if it _________ (make) of steel.(2024北京) 4.Who does that shop assistant think he is?He behaves as if he__________ (own) the grocery. 5.—It's raining hard and we can't go picnicking today. —If only the weather______(be) fine! 【答案】1.had done 2.did/should do 3.were made
4.owned 5.were 專題九 情態(tài)動(dòng)詞和虛擬語氣 一、常用情態(tài)動(dòng)詞的基本用法 1.can,could的用法 情態(tài)動(dòng)詞 情態(tài)動(dòng)詞 用法 can/ could 表能力 can表示現(xiàn)在的能力,could表示過去的能力。 表請求 could不表示過去,只表示語氣的委婉、客氣,但回答時(shí)必須用can。 情態(tài)動(dòng)詞 用法 can/ could 表可能性 (1)一般用在否定句及疑問句中,could可用于肯定句; (2)用于肯定句,表示理論上的可能性或一時(shí)的情況;常譯為“有時(shí)會(huì)”。 表情感 用于否定句、疑問句和感嘆句中,表驚奇、懷疑、不相信的態(tài)度。 固定句型 cannot…too/enough表示“無論……也不過分;越……越好”; cannot but do sth.表示“只能,不得不”。 情態(tài)動(dòng)詞 用法 易錯(cuò) 點(diǎn)津 (1)表示能力時(shí),can與be able to意義相同,但是can僅用在一般現(xiàn)在時(shí)及一般過去時(shí)(could),be able to可用于更多時(shí)態(tài); (2)過去形式的could與was/were able to相比,could僅說明具備某種能力,而was/were able to則側(cè)重通過某種努力已經(jīng)達(dá)到某種結(jié)果,常譯為“成功做到了”。
2.may,might的用法 情態(tài)動(dòng)詞 用法 may/ might 表請求、允許 might不表示過去,僅表示語氣更加委婉、客氣。 表可能性 表示把握性不大的推測,不用于疑問句中;might表示的可能性比may更小。 情態(tài) 動(dòng)詞 用法 may/ might 表祝愿 表示祝愿時(shí)將may放在句首,其后的句子要用動(dòng)詞原形。 固定 用法 may/might as well do sth.是其常見的固定用法,意為“不妨做某事;還是做某事為好”。 3.will,would的用法 情態(tài)動(dòng)詞 用法 will/ would 用于第二人稱作主語的疑問句,表示請求、建議等。 表示意志、決心或愿望。 表示客觀上的習(xí)慣,will表示現(xiàn)在,would表示過去。 表示推測或猜想。 表示按規(guī)律“注定會(huì)”。 情態(tài)動(dòng)詞 用法 易錯(cuò)點(diǎn)津 would表示過去的習(xí)慣時(shí)僅指動(dòng)作,而且不與現(xiàn)在作對比;used to表示過去的習(xí)慣動(dòng)作或狀態(tài),而且與現(xiàn)在作對比,說明現(xiàn)在這種動(dòng)作或狀態(tài)已經(jīng)不存在。 4.should,shall,ought to的用法 情態(tài)動(dòng)詞 用法 shall 用在第一、三人稱的疑問句中,表示征求對方的意見或請示。 用于第二、三人稱的陳述句,表示說話者的命令、警告、許諾、威脅等語氣;此外,用于法律、規(guī)定時(shí)用shall。 情態(tài)動(dòng)詞 用法 should 表示義務(wù)、責(zé)任、勸告或建議,意為“應(yīng)該”,與ought to基本相同;should表示主觀,ought to表示客觀。 用于表示預(yù)測,意為“應(yīng)該會(huì);按理說;想必會(huì)”。 用在表示感情或意志等的that從句中,意為“竟然……;居然……”。 情態(tài)動(dòng)詞 用法 ought to 表示義務(wù),意為“應(yīng)當(dāng)”,語氣比should強(qiáng)。 表示“推測”,常用于肯定句、否定句中。 易錯(cuò)點(diǎn)津 ought to表推測時(shí),語氣要比must輕,表示并非十分肯定,而must則表示十分肯定。
5.must,have to的用法 情態(tài) 動(dòng)詞 用法 must must表示非常有把握的推測,僅用于肯定句。 表示“必須;應(yīng)該”。 表示說話者的感情色彩,暗含不耐煩或與自己的愿望相反,意為“偏要;非要”。 情態(tài)動(dòng)詞 用法 have to 意為“必須;不得不”時(shí),意義與must相近,但must表示說話人的主觀看法;而have to強(qiáng)調(diào)客觀需要。 易錯(cuò)點(diǎn)津 (1)在回答must的問句時(shí),否定回答通常用needn't或don't have to;
(2)mustn't表示“禁止;不許”;而don't have to表示“不必”; (3)must只有一種形式,而have to有人稱、時(shí)態(tài)和單復(fù)數(shù)的變化。 6.need,dare的用法 情態(tài)動(dòng)詞 用法 need 表示“需要、必要”之意,作情態(tài)動(dòng)詞時(shí),僅用于否定句和疑問句中,且只有現(xiàn)在時(shí),其他時(shí)態(tài)常用have to的相應(yīng)形式代替。 若用作實(shí)義動(dòng)詞時(shí),其變化與一般動(dòng)詞相同,后面可以接“to+動(dòng)詞原形”作賓語。 情態(tài)動(dòng)詞 用法 dare 表示“敢,敢于”之意,作情態(tài)動(dòng)詞,主要用于疑問句、否定句和條件句中,一般不用于肯定句中。 用作實(shí)義動(dòng)詞時(shí),其變化形式與一般動(dòng)詞相同,在肯定句中,dare后面通常接帶to的不定式,在否定句和疑問句中,dare后面既可接帶to的不定式,也可接不帶to的不定式。 情態(tài)動(dòng)詞 用法 易錯(cuò) 點(diǎn)津 (1)dare用作情態(tài)動(dòng)詞時(shí),有dare,dared兩種形式; (2)dare用作實(shí)義動(dòng)詞時(shí),后接不定式,不定式符號to可省去,但dare以分詞形式出現(xiàn)時(shí),不定式符號to不能省略。 根據(jù)句意用適當(dāng)?shù)那閼B(tài)動(dòng)詞完成下面的句子 1. —Can't you stay a little longer? —It's getting late.I really ________ go now.My daughter is home alone.(2024北京) 2.You _________ feel all the training a waste of time, but I'm a hundred percent sure later you'll be grateful you did it.(2024陜西) 3.You _________ be careful with the camera.It costs!(2024四川) 4. It was so noisy that we ________ hear ourselves speak.(2024浙江) 5.You ________be Carol.You haven't changed a bit after all these years.(2024重慶) 6.It was sad to me that they, so poor themselves, ________ bring me food.(2024江蘇) 7.I still remember my happy childhood when my mother ________ take me to Disneyland at weekends.(2024四川) 8. I've ordered some pizza, so we________ worry about cooking when we get home tired.(2024重慶) 9.One of our rules is that every student ________ wear school uniform while at school.
10.I________ thank you too much for all your help to my son while we were away from home. 【答案】1.must 2.may/might 3.must 4.couldn't 5.must 6.should 7.would 8.needn't 9.shall 10.can't
二、“情態(tài)動(dòng)詞+have done”的??加梅?情態(tài)動(dòng)詞+have done 用法 must have done sth. 一定做過某事,其否定形式為can't/couldn't have done。 can/could have done sth. 1.本來能夠做但卻未做;2.可能做過某事。 can't/couldn't have done sth. 不可能做過某事。 情態(tài)動(dòng)詞+have done 用法 may/might have done sth. 或許/可能做過某事。 should/ought to have done sth. 本該做但卻未做某事,其否定形式表示本不該做但卻做了。 needn't have done sth. 做了本沒有必要做的某事。 根據(jù)括號內(nèi)的漢語提示完成下面的句子 1. I ___________(本沒必要擔(dān)心) before I came to the new school, for my classmates here are very friendly to me.(2024天津) 2.—Sorry, Mum! I failed the job interview again. —Oh, it's too bad.You _______(本應(yīng)做) full preparations.(2024福建) 3. I ______________(不可能玩) myself more—it was a perfect day.(2024浙江) 4. Since nobody gave him any help, he ____________ (一定做)the research on his own.(2024課標(biāo)Ⅱ) 5. —Why are your eyes so red? You ______________(不可能睡好) last night. —Yeah. I stayed up late writing a report.(2024四川)
【答案】1.needn't have worried 2.should have made 3.couldn't have enjoyed 4.must have done 5.could't have slept well 一、虛擬語氣在非真實(shí)性條件句中的用法 虛擬語氣 時(shí)間 虛擬條件從句 主句 與現(xiàn)在事實(shí) 相反的假設(shè) If+主語+動(dòng)詞的過去式(be動(dòng)詞用were)。 主語+should/would/could/might+動(dòng)詞原形。 與過去事實(shí) 相反的假設(shè) If+主語+had+過去分詞。 主語+should/would/could/might+have+過去分詞。 時(shí)間 虛擬條件從句 主句 與將來事實(shí) 相反的假設(shè) 1.If+主語+動(dòng)詞的過去式。 2.If+主語+were to+動(dòng)詞原形。 3.If+主語+should+動(dòng)詞原形。 主語+should/would/could/might+動(dòng)詞原形。 時(shí)間 虛擬條件從句 主句 易錯(cuò)點(diǎn)津 (1)在虛擬語氣的從句中,動(dòng)詞be的過去時(shí)態(tài)一律用were,不用was,即從句中的be用were代替; (2)當(dāng)條件狀語從句表示的行為和主句表示的行為所發(fā)生的時(shí)間不一致時(shí),被稱為“錯(cuò)綜時(shí)間條件句”,動(dòng)詞的形式要根據(jù)它所表示的時(shí)間做出相應(yīng)的調(diào)整; (3)在虛擬條件狀語從句中可省略if,把were, had, should提到句首,變?yōu)榈寡b句式。 根據(jù)括號中的動(dòng)詞提示,用適當(dāng)?shù)奶摂M語氣完成下面的句子 1.If I _________(not see) it with my own eyes, I wouldn't have believed it.(2024北京) 2.It might have saved me some trouble _________(I know) the schedule.(2024江蘇) 3.We ________(be) back in the hotel now if you didn't lose the map.(2024北京) 4.Had he caught the morning train, he __________________ (not be) late for the meeting.(2024天津) 5.If Mr.Dewey ________ (be) present, he would have offered any possible assistance to the people there.(2024湖南) 【答案】1.hadn't seen 2.had I known 3.would be 4.would not have been 5.had been 二、wish與would rather賓語從句的虛擬語氣 wish與would rather賓語從句的虛擬語氣。 時(shí)間 would rather wish 過去 主語+動(dòng)詞過去分詞。 現(xiàn)在 主語+動(dòng)詞過去式(be用were)。 將來 主語+動(dòng)詞過去式(be用were)。 主語+would/could/might+動(dòng)詞原形。