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Section—Grammar
一二三一、请用下列情态动词造句1.ought to/oughtn’t to2.should/shouldn’t3.mustn’t4.needn’t5.don’t have to6.will7.can/can’t答案:略
一二三二、用ought to,need,mustn’t完成句子1.你不应当在外面待到这么晚。You stay out so late. 2.你一定不要玩刀。You play with the knife. 3.他们需要立刻打扫房间吗? they clean the room at once? oughtn’t to mustn’t Need
一二三三、请把下列短语和其汉语意思搭配起来 Ⅰ Ⅱ1.lose weight A.失去兴趣2.lose interestB.丢脸;没有面子3.lose heartC.减肥4.lose faceD.失去信心
语法图解
Grammar 情态动词:ought to/ought not to/have to/don’t have to/mustn’t/needn’t以及情态动词完成式的用法。1.ought to(1)ought to无人称和时态的变化,其否定式为ought not to/oughtn’t to,疑问式为:Ought I/you/he to...?常译作“应该,应当”。语气比should稍重一些,表示有责任、义务等。单句填空I’m his teacher.I ought (take) care of him. 答案:to takeThey are having a class.You make such noise here. 答案:oughtn’t to—Ought I write to say thank you? —Yes,you ought (to).答案:to
(2)含有ought to的反义疑问句,陈述部分是肯定时,疑问部分用shouldn’t/oughtn’t+主语。单句填空He ought to know what to do, he? 答案:oughtn’t/shouldn’t(3)表示推测,多指按照常理的一种推测,意为“按理应该……”。翻译句子It is already 9 o’clock;he ought to be in his office now.翻译 答案:已经九点了,他现在应该在办公室里。
2.have to通常指由于客观原因而不得不做某事,意思为“不得不,必须”。【高考典句】(2016·全国Ⅱ高考) One morning,I had to book an immediate flight home for a family emergency.一天早上,因为一件家庭急事我不得不预定一趟立刻回家的航班。注意:have to与一般情态动词的不同点
(1)一般情态动词没有人称和数的变化,而且所用的时态也受到一定的限制,而have to有人称和数的变化,可用于多种时态中。He has to admit the idea of marriage scares him.(用于 人称 数 时态) 答案:第三;单;现在We will have to put off the sports meeting because of the bad weather.(用于 人称 数 时态) 答案:第一;复;将来They had had to consider it carefully before they lent him the money.(用于 人称 数 时态) 答案:第三;复;过去完成
(2)否定句和疑问句的构成方式不同have to的否定句和疑问句的构成需要借助于助动词do的适当形式或助动词will,而不可以在have后面加not。根据汉语意思用have to的适当形式完成句子你没必要那么早去会议室,还有30分钟。You head for the meeting room so early.There are 30 minutes left. 答案:don’t have to她必须按照你告诉她的来做此事吗? do it as you told her? 答案:Does she have to他不得不做一份兼职工作来付学费,是吗?He has to do a part-time job for his schooling, ? 答案:doesn’t he
3.mustn’t(1)must的否定式must not/mustn’t,表示“不允许”或“禁止”。翻译句子You mustn’t tell him the news.翻译 答案:你一定不要把此消息告诉他。The magazines mustn’t be taken out of the reading room.翻译 答案:不许把这些杂志拿出阅览室。(2)在否定回答“May I...?”这样的问句时,常用mustn’t表示“禁止”“不允许”。单句填空—May I park here?—No,you . 答案:mustn’t
4.needn’t(1)needn’t表示“不必”。needn’t的同义结构是don’t have to。同义句转换You needn’t drive so fast.=You drive so fast. 你不必开这么快。答案:don’t have to(2)否定回答must问句时,用needn’t或don’t have to,表示“不必”。单句填空—Must we hand our homework in after class?—No,you . 答案:needn’t
5.“情态动词+have done”用法归纳(1)must have done在肯定句中,must have done表示对过去发生过的情况肯定性的判断、推测,语气最强。完成句子你怎么又迟到了?你一定是睡过头了。How can you be late again?You . 答案:must have overslept
(2)may/might have donemay/might have done主要用于肯定句,也可用于否定句,但不用于疑问句,语气比must have done弱,意思为“可能……”。翻译句子He may have missed the train.翻译 答案:他可能没赶上火车。If you had studied hard,you might have passed the exam.翻译 答案:如果你努力学习的话,你可能会及格的。
各种句型,即句定肯、否定句、疑问句。翻译句子We could have arrived there before dark,but we didn’t.翻译 答案:天
黑前我们本来能够里那到的,但是没到。
(3)can have donecan have done主要用于否定句和疑问句,很少用于肯定句。翻译句子Where is Jack?Where can he have gone?翻译 答案:杰克在哪里?他可能去哪儿了?(4)could have donecould have done可以用于
握…推断,意为“不可能或可能不的…”。完成句子他不可能去了
纽约,我才刚在阅览室见了他到。He to New York.I met him in the reading room just now. 答案:couldn’t have gone(6)should have doneshould have done表示过去
本应该做,但实际上没做。翻译句子You should have told me earlier or I might have gone with them.翻译 答案:你应该早点告诉我,不
然话我的就一会和们他块去了。
(5)can’t/couldn’t/mightn’t have done对已发生事情没有把
达的是肯定的意思,即
表示过去本该应不做,而实际 做了。单句填空You blamed her in public.上答案:shouldn’t have(8)ought to have doneought to have done在含义上
相 d于should have当one,但语气更
重一些。翻译句子As her best friend,I ought to have visited her last week.But I was too busy.翻译 答案:作为她最
好的友,朋我上周本应该去看她的,我但太忙了。
(7)shouldn’t have doneshouldn’t have done在形式上是否定,但表
相t于shouldn’当 have done,但语气
更一些。单句填空You 重 have spent so much time playing computer games. 答案:oughtn’t to(10)needn’t have doneneedn’t have done表示过去
本没必要做,有但实际 n做了。翻译句子It’s so near!We上eedn’t have taken a taxi.翻译 答案:这么
!我们近本要来没必有坐出租车的。
(9)oughtn’t to have doneoughtn’t to have done在含义上
一、选择适当的情态动词填空:ought to,have to,mustn’t,needn’t,need1.You can make your own decision and don’t get permission from him. 答案:have to 2.We protect the earth where we live. 答案:ought to 3.Alice,you play with fire.It’s dangerous. 答案:mustn’t 4.You help me do it.I can manage it myself.Thank you all the same. 答案:needn’t
Section—Grammar
一二三一、请用下列情态动词造句1.ought to/oughtn’t to2.should/shouldn’t3.mustn’t4.needn’t5.don’t have to6.will7.can/can’t答案:略
一二三二、用ought to,need,mustn’t完成句子1.你不应当在外面待到这么晚。You stay out so late. 2.你一定不要玩刀。You play with the knife. 3.他们需要立刻打扫房间吗? they clean the room at once? oughtn’t to mustn’t Need
一二三三、请把下列短语和其汉语意思搭配起来 Ⅰ Ⅱ1.lose weight A.失去兴趣2.lose interestB.丢脸;没有面子3.lose heartC.减肥4.lose faceD.失去信心
语法图解
Grammar 情态动词:ought to/ought not to/have to/don’t have to/mustn’t/needn’t以及情态动词完成式的用法。1.ought to(1)ought to无人称和时态的变化,其否定式为ought not to/oughtn’t to,疑问式为:Ought I/you/he to...?常译作“应该,应当”。语气比should稍重一些,表示有责任、义务等。单句填空I’m his teacher.I ought (take) care of him. 答案:to takeThey are having a class.You make such noise here. 答案:oughtn’t to—Ought I write to say thank you? —Yes,you ought (to).答案:to
(2)含有ought to的反义疑问句,陈述部分是肯定时,疑问部分用shouldn’t/oughtn’t+主语。单句填空He ought to know what to do, he? 答案:oughtn’t/shouldn’t(3)表示推测,多指按照常理的一种推测,意为“按理应该……”。翻译句子It is already 9 o’clock;he ought to be in his office now.翻译 答案:已经九点了,他现在应该在办公室里。
2.have to通常指由于客观原因而不得不做某事,意思为“不得不,必须”。【高考典句】(2016·全国Ⅱ高考) One morning,I had to book an immediate flight home for a family emergency.一天早上,因为一件家庭急事我不得不预定一趟立刻回家的航班。注意:have to与一般情态动词的不同点
(1)一般情态动词没有人称和数的变化,而且所用的时态也受到一定的限制,而have to有人称和数的变化,可用于多种时态中。He has to admit the idea of marriage scares him.(用于 人称 数 时态) 答案:第三;单;现在We will have to put off the sports meeting because of the bad weather.(用于 人称 数 时态) 答案:第一;复;将来They had had to consider it carefully before they lent him the money.(用于 人称 数 时态) 答案:第三;复;过去完成
(2)否定句和疑问句的构成方式不同have to的否定句和疑问句的构成需要借助于助动词do的适当形式或助动词will,而不可以在have后面加not。根据汉语意思用have to的适当形式完成句子你没必要那么早去会议室,还有30分钟。You head for the meeting room so early.There are 30 minutes left. 答案:don’t have to她必须按照你告诉她的来做此事吗? do it as you told her? 答案:Does she have to他不得不做一份兼职工作来付学费,是吗?He has to do a part-time job for his schooling, ? 答案:doesn’t he
3.mustn’t(1)must的否定式must not/mustn’t,表示“不允许”或“禁止”。翻译句子You mustn’t tell him the news.翻译 答案:你一定不要把此消息告诉他。The magazines mustn’t be taken out of the reading room.翻译 答案:不许把这些杂志拿出阅览室。(2)在否定回答“May I...?”这样的问句时,常用mustn’t表示“禁止”“不允许”。单句填空—May I park here?—No,you . 答案:mustn’t
4.needn’t(1)needn’t表示“不必”。needn’t的同义结构是don’t have to。同义句转换You needn’t drive so fast.=You drive so fast. 你不必开这么快。答案:don’t have to(2)否定回答must问句时,用needn’t或don’t have to,表示“不必”。单句填空—Must we hand our homework in after class?—No,you . 答案:needn’t
5.“情态动词+have done”用法归纳(1)must have done在肯定句中,must have done表示对过去发生过的情况肯定性的判断、推测,语气最强。完成句子你怎么又迟到了?你一定是睡过头了。How can you be late again?You . 答案:must have overslept
(2)may/might have donemay/might have done主要用于肯定句,也可用于否定句,但不用于疑问句,语气比must have done弱,意思为“可能……”。翻译句子He may have missed the train.翻译 答案:他可能没赶上火车。If you had studied hard,you might have passed the exam.翻译 答案:如果你努力学习的话,你可能会及格的。
各种句型,即句定肯、否定句、疑问句。翻译句子We could have arrived there before dark,but we didn’t.翻译 答案:天
黑前我们本来能够里那到的,但是没到。
(3)can have donecan have done主要用于否定句和疑问句,很少用于肯定句。翻译句子Where is Jack?Where can he have gone?翻译 答案:杰克在哪里?他可能去哪儿了?(4)could have donecould have done可以用于
握…推断,意为“不可能或可能不的…”。完成句子他不可能去了
纽约,我才刚在阅览室见了他到。He to New York.I met him in the reading room just now. 答案:couldn’t have gone(6)should have doneshould have done表示过去
本应该做,但实际上没做。翻译句子You should have told me earlier or I might have gone with them.翻译 答案:你应该早点告诉我,不
然话我的就一会和们他块去了。
(5)can’t/couldn’t/mightn’t have done对已发生事情没有把
达的是肯定的意思,即
表示过去本该应不做,而实际 做了。单句填空You blamed her in public.上答案:shouldn’t have(8)ought to have doneought to have done在含义上
相 d于should have当one,但语气更
重一些。翻译句子As her best friend,I ought to have visited her last week.But I was too busy.翻译 答案:作为她最
好的友,朋我上周本应该去看她的,我但太忙了。
(7)shouldn’t have doneshouldn’t have done在形式上是否定,但表
相t于shouldn’当 have done,但语气
更一些。单句填空You 重 have spent so much time playing computer games. 答案:oughtn’t to(10)needn’t have doneneedn’t have done表示过去
本没必要做,有但实际 n做了。翻译句子It’s so near!We上eedn’t have taken a taxi.翻译 答案:这么
!我们近本要来没必有坐出租车的。
(9)oughtn’t to have doneoughtn’t to have done在含义上
一、选择适当的情态动词填空:ought to,have to,mustn’t,needn’t,need1.You can make your own decision and don’t get permission from him. 答案:have to 2.We protect the earth where we live. 答案:ought to 3.Alice,you play with fire.It’s dangerous. 答案:mustn’t 4.You help me do it.I can manage it myself.Thank you all the same. 答案:needn’t
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