2025届高三英语二轮复习 情态动词和虚拟语气 课件(共25张)
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| 名称 | 2025届高三英语二轮复习 情态动词和虚拟语气 课件(共25张) |  | |
| 格式 | pptx | ||
| 文件大小 | 228.7KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2024-12-22 10:41:19 | ||
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(共25张PPT)
情态动词和虚拟语气
情态动词的使用can/could
could/may/might
May sb. do sth.
may/might as well
must
mustn't
should
will/would
shall
dare
表可能性或能力
表请求、允许时的委婉语气
表祝愿
不妨做......
“一定”；“必须”；”非要”（否定回答用needn't）
“不可以”，表禁止
“竟然（表惊奇、失望、愤怒）”，“应当”
表意愿
（第一、三人称）表建议或征求意见；
（第二、三人称）表命令、警告、允诺、威胁等
“敢”
1.You ___________ be hungry already—you had lunch only two hours ago!
2.—Will you read me a story, Mummy
—OK.You ________ have one if you go to bed as soon as possible.
3.Hurry up！He ________ be waiting for us anxiously right now
can't
shall
must
9. It' s strange that he________ speak in that way.
should
情态动词 表推测
1.对现在和将来的推测
情态动词＋do
2.对过去的推测
情态动词+have done
must
will(很有可能）
would（很有可能）
ought to很有能
should
can（可能）
could （可能）
may（可能）
might（可能）
可能性由高到低
must have done
can/can't have done
could/couldn't have done
may/might have done
一定做过某事（肯定的推测）
可能做过某事/不可能做过某事(可能推测)
可能做过某事/不可能做过某事(对过去的推测）
也许已经做了/也许已经做过某事（推测）
对过去的推测 情态动词 + have done(推测)
1.He is playing basketball now. I guess he________________(finish) homework.
2.He ________________(know) the competition's results then, because he behaved patiently.
must /can have finished
might have known
could/might have done
should/ought to have done
couldn't have done
shouldn't have done
needn't have done
本可以做某事（却没做）
本应该做某事（却没做）
不可能做了某事（却做了）
本不应该做某事（却做了）
没有必要做某事（却做了）
注意：情态动词+have done 也可表示虚拟
1.I ________________(help)you, but I was too busy then.
2.The weather turned out to be fine yesterday, I _______________
(take) the trouble to carry my umbrella with me.
3. I ________________(do)my homework last night, but I went to the cinema.
could have helped
needn't have taken
should have done
虚拟语气的使用
条件从句 从句谓语形式 主句谓语形式
与现在事实 相反
与过去事实 相反
与将来事实 相反
动词过去式
should/ would /could/ might+动词原形
had+过去分词
should/ would/could
/might + have+过去分词
should/ would/ could/ might +动词原形
1.should+动词原形
2.动词过去式
3.were to+动词原形
虚拟语气
1. 虚拟条件句
1. If I were you, I___________(seize) the chance to go abroad.
2. If you had taken my advice, you______________
(pass) the driving test.
3. If he should not come tomorrow, we _________(put)
off the meeting till next Monday.
would seize
would have passed
would put
2.含蓄条件句出现without(没有), but for(要不是);but that(要不是)otherwise/or(否则）,主句谓语动词虚拟虚拟过去：would/should/could/mighthave done虚拟现在/将来：would/should/could/mightdoTangshan earthquake happened during the night, or/otherwisea lot of people__________________(die).wouldn't have diedWithout buying, so many animals____________________(kill).wouldn't have been killed当条件状语从句表示的行为和主句表示的行为所发生的时间不一致时，动词的形式要根据它所表示的时间作相应调整。
3.错综时间虚拟条件句
1. If they had worked hard, they would be very tired now.
2. If we hadn't got everything ready, we would have a terrible time tomorrow.
(从句说的是过去，主句指的是现在)
(从句说的是过去，主句指的是将来)
练一练：
1. If he had spent more time practicing speaking English
before, he ________(be) able to speak it much better now.
2. If I were you, I _____________________(miss) the film last night.
如果我是你,我就不会错过昨天晚上的那部电影
would be
wouldn't have missed
4.从句中的虚拟语气(1)表命令、建议、要求的从句(2)wish引导的从句(3)would rather/if only/as if引导的从句(4)It isnecessary/important/essential/vital/natural/strange/a pity/a shame/no wonderthat sb (should)do(5)It is (about/high)time (that) sbdid/should dosth(1)表示要求, 命令, 建议的虚拟语气
一个坚持 ______________
两个命令 _______________
四个建议 ____________________________________
五个要求 _________________________________
加一督促 __________
V+宾语从句+(should)+V原
以上动词及相应的名词构成的主语从句,表语从句和同位语从句
insist
order, command
propose，advise, recommend，suggest,
demand, desire, require, request, ask
urge
1. It is required by law that a driving test________________(take) before a man gets a license.
2. Most citizens in Hong Kong strongly insisted that those who attacked the police _________________(put) into prison.
3. His suggestion is that we_____________(set) a deadline for handing in the plan.
should be taken
should be put
should set
His suggestion that we______(go) to Shanghai is wonderful.
My requirement is that they_______(pay) 100 dollars for the ticket.
表示建议、要求、命令等的名词
(should) pay
(should) go
1.insist表"坚持要求",宾语从句虚拟should+)do"insist表"坚持认为",表示看法、事实,宾从用陈述语气。2.suggest表"建议",宾句用虚拟语气suggest表"表明,暗示",表示述一种实际情况的时候,宾从用陈述语气。特别提醒：He insisted that he_________(be)innocent.What he said suggested that he________(be)a fraud.waswas表事实表事实对现在假设：wish+主+did/were
对过去假设：wish+主+had done
对将来假设：wish+主+would/could do
(2)“wish＋宾语从句”表示不能实现的愿望
wish 与as if一致
对现在/将来愿望：动词过去式/were
对过去愿望：had done
(3)“would rather从句 ”表示不能实现的愿望
(4) It isnecessary/important/essential/vital/natural/strange/a pity/a shame/no wonderthat sb (should)do(5)It is high time that sbdid/should dosthSummary:
1.情态动词表推测和虚拟
2.虚拟语气-- 虚拟条件句；
错综时间虚拟条件句
从句中的虚拟语气
含蓄条件句
情态动词和虚拟语气
情态动词的使用can/could
could/may/might
May sb. do sth.
may/might as well
must
mustn't
should
will/would
shall
dare
表可能性或能力
表请求、允许时的委婉语气
表祝愿
不妨做......
“一定”；“必须”；”非要”（否定回答用needn't）
“不可以”，表禁止
“竟然（表惊奇、失望、愤怒）”，“应当”
表意愿
（第一、三人称）表建议或征求意见；
（第二、三人称）表命令、警告、允诺、威胁等
“敢”
1.You ___________ be hungry already—you had lunch only two hours ago!
2.—Will you read me a story, Mummy
—OK.You ________ have one if you go to bed as soon as possible.
3.Hurry up！He ________ be waiting for us anxiously right now
can't
shall
must
9. It' s strange that he________ speak in that way.
should
情态动词 表推测
1.对现在和将来的推测
情态动词＋do
2.对过去的推测
情态动词+have done
must
will(很有可能）
would（很有可能）
ought to很有能
should
can（可能）
could （可能）
may（可能）
might（可能）
可能性由高到低
must have done
can/can't have done
could/couldn't have done
may/might have done
一定做过某事（肯定的推测）
可能做过某事/不可能做过某事(可能推测)
可能做过某事/不可能做过某事(对过去的推测）
也许已经做了/也许已经做过某事（推测）
对过去的推测 情态动词 + have done(推测)
1.He is playing basketball now. I guess he________________(finish) homework.
2.He ________________(know) the competition's results then, because he behaved patiently.
must /can have finished
might have known
could/might have done
should/ought to have done
couldn't have done
shouldn't have done
needn't have done
本可以做某事（却没做）
本应该做某事（却没做）
不可能做了某事（却做了）
本不应该做某事（却做了）
没有必要做某事（却做了）
注意：情态动词+have done 也可表示虚拟
1.I ________________(help)you, but I was too busy then.
2.The weather turned out to be fine yesterday, I _______________
(take) the trouble to carry my umbrella with me.
3. I ________________(do)my homework last night, but I went to the cinema.
could have helped
needn't have taken
should have done
虚拟语气的使用
条件从句 从句谓语形式 主句谓语形式
与现在事实 相反
与过去事实 相反
与将来事实 相反
动词过去式
should/ would /could/ might+动词原形
had+过去分词
should/ would/could
/might + have+过去分词
should/ would/ could/ might +动词原形
1.should+动词原形
2.动词过去式
3.were to+动词原形
虚拟语气
1. 虚拟条件句
1. If I were you, I___________(seize) the chance to go abroad.
2. If you had taken my advice, you______________
(pass) the driving test.
3. If he should not come tomorrow, we _________(put)
off the meeting till next Monday.
would seize
would have passed
would put
2.含蓄条件句出现without(没有), but for(要不是);but that(要不是)otherwise/or(否则）,主句谓语动词虚拟虚拟过去：would/should/could/mighthave done虚拟现在/将来：would/should/could/mightdoTangshan earthquake happened during the night, or/otherwisea lot of people__________________(die).wouldn't have diedWithout buying, so many animals____________________(kill).wouldn't have been killed当条件状语从句表示的行为和主句表示的行为所发生的时间不一致时，动词的形式要根据它所表示的时间作相应调整。
3.错综时间虚拟条件句
1. If they had worked hard, they would be very tired now.
2. If we hadn't got everything ready, we would have a terrible time tomorrow.
(从句说的是过去，主句指的是现在)
(从句说的是过去，主句指的是将来)
练一练：
1. If he had spent more time practicing speaking English
before, he ________(be) able to speak it much better now.
2. If I were you, I _____________________(miss) the film last night.
如果我是你,我就不会错过昨天晚上的那部电影
would be
wouldn't have missed
4.从句中的虚拟语气(1)表命令、建议、要求的从句(2)wish引导的从句(3)would rather/if only/as if引导的从句(4)It isnecessary/important/essential/vital/natural/strange/a pity/a shame/no wonderthat sb (should)do(5)It is (about/high)time (that) sbdid/should dosth(1)表示要求, 命令, 建议的虚拟语气
一个坚持 ______________
两个命令 _______________
四个建议 ____________________________________
五个要求 _________________________________
加一督促 __________
V+宾语从句+(should)+V原
以上动词及相应的名词构成的主语从句,表语从句和同位语从句
insist
order, command
propose，advise, recommend，suggest,
demand, desire, require, request, ask
urge
1. It is required by law that a driving test________________(take) before a man gets a license.
2. Most citizens in Hong Kong strongly insisted that those who attacked the police _________________(put) into prison.
3. His suggestion is that we_____________(set) a deadline for handing in the plan.
should be taken
should be put
should set
His suggestion that we______(go) to Shanghai is wonderful.
My requirement is that they_______(pay) 100 dollars for the ticket.
表示建议、要求、命令等的名词
(should) pay
(should) go
1.insist表"坚持要求",宾语从句虚拟should+)do"insist表"坚持认为",表示看法、事实,宾从用陈述语气。2.suggest表"建议",宾句用虚拟语气suggest表"表明,暗示",表示述一种实际情况的时候,宾从用陈述语气。特别提醒：He insisted that he_________(be)innocent.What he said suggested that he________(be)a fraud.waswas表事实表事实对现在假设：wish+主+did/were
对过去假设：wish+主+had done
对将来假设：wish+主+would/could do
(2)“wish＋宾语从句”表示不能实现的愿望
wish 与as if一致
对现在/将来愿望：动词过去式/were
对过去愿望：had done
(3)“would rather从句 ”表示不能实现的愿望
(4) It isnecessary/important/essential/vital/natural/strange/a pity/a shame/no wonderthat sb (should)do(5)It is high time that sbdid/should dosthSummary:
1.情态动词表推测和虚拟
2.虚拟语气-- 虚拟条件句；
错综时间虚拟条件句
从句中的虚拟语气
含蓄条件句