2024届高三英语一轮复习情态动词课件(共16张PPT)
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| 名称 | 2024届高三英语一轮复习情态动词课件(共16张PPT) |  | |
| 格式 | pptx | ||
| 文件大小 | 264.9KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 通用版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2024-01-19 17:57:59 | ||
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(共16张PPT)
情态动词
一.can/could
1.表示能力(体力、智力、技能等方面的能力)：能，能够
1) can(现在的能力) eg: She can speak three languages.
2) could(过去的能力) eg: When she was eight, she could read Greek and Latin.
2.表示许可：可以
Eg: You can borrow fives books at a time from the library.
Mother said we could do anything we wished.
3.表示推测
1）can: 常用在否定句、疑问句中；
eg: Can it be true It cannot be true.(不可能)
2）could常用于肯定句
That could be our taxi now.
4.表示客观可能性，翻译为“有时候会”（只有can）
eg：The northern part of China is cold,but sometimes it can be warm.
二.should
1.表示“应该做” (常有道义上的责任)
Eg: You should do it because you have promised me.
2.表示惊讶、意外：竟然.
Eg: I’m sorry that she should be so selfish.
3.表示推测 (根据以往经验/条件推测出合乎理想的情况或结果) ：应该、按说应该
Eg: The children should be hungry now.
4.should在虚拟语气中放句首可以表示“万一，如果”的意思
eg:Should you have any question,please feel free to contact me.=If you have any question,please feel free to contact me.
三、may/might
1.用于祈使句，表示祝愿(may)
eg：May our friendship live long.
2.表示推测，翻译为“可能”(may/might)
eg:It may /might/could rain this afternoon.
3.表示请求（might比may的语气更弱）
eg:May I come in
I wonder if I might speak to your son.
5.may的否定回答用mustn’t，表示禁止
eg:—May I take the magzine out of the reading room
—No,you mustn’t.Please read it here.
4.may /might as well do :倒不如，不妨
eg:There is nothing to do,so I may as well go to bed.
四.Must
1.表示肯定推测:一定.
Eg: This must be Jim’s pen.
2.表示说话人的主观看法：必须
eg： You must be back before 10 o’clock.
3.must: 偏偏、偏要，非要
She must go and do the opposite after I gave her my advice.
4.must 的否定形式为mustn’t 翻译为“禁止”
eg:You mustn’t make noise in the library.
5.must提问肯定回答用must，否定回答用needn’t 或don’t have to.
eg:—Must I finish my work now
—Yes,you must.
—No,you needn’t/don’t have to.
五.shall
1.用于一三人称疑问句，表示征求对方的意见或建议，翻译为“要不要”“好不好”
Eg: Shall I buy the dictionary
2.用于二三人称陈述句，表示说话人的语气，一般为允诺、命令、威胁、警告等。
eg:You shall get my reply tomorrow.
3.用于文字性的条文条款，法律法规当中：必须，务必(rule、regulation、sign、law)
eg:Each citizen shall carry his identification card when travelling.
六、will/would
1.表示意志、愿望或者意愿，will指现在，would指过去。
eg:I won’t give up halfway.
They would not let him in because he was poorly dressed.
2.表示请求，would比will委婉。
Eg: Will you give her the letter
Would you please tell me your telephone number
3.表示事物的固有性质或倾向性(will)。
Eg: The window won’t open.
My pen won’t write.
5.表示人的习惯，翻译为“总会”will表示现在，would do 表示过去常常。
eg:People will talk.
When he was a child,he would often go skiing.
六.情态动词+have done （表示过去发生）
表示推测 肯定形式 must have done 过去一定做了某事
can（疑问） /could have done 过去可能做了某事
may/might have done 过去也许做了某事
六.情态动词+have done （表示过去发生）
表示推测 否定形式 can’t have done couldn’t have done 过去不可能做了某事
may not have done might not have done 过去也许没做某事
六.情态动词+have done （表示过去发生）
表示虚拟 肯定形式 could have done 过去本可能做某事但实际未做
might have done 过去本可能做某事但实际未做
should/ought to have done 本该做但实际未做
六.情态动词+have done （表示过去发生）
表示虚拟 否定形式 couldn’t have done 没能够做某事（与过去事实相反）
should not/ought not to have done 本不该做但实际做了
needn’t have done 本不必做但实际做了
情态动词
一.can/could
1.表示能力(体力、智力、技能等方面的能力)：能，能够
1) can(现在的能力) eg: She can speak three languages.
2) could(过去的能力) eg: When she was eight, she could read Greek and Latin.
2.表示许可：可以
Eg: You can borrow fives books at a time from the library.
Mother said we could do anything we wished.
3.表示推测
1）can: 常用在否定句、疑问句中；
eg: Can it be true It cannot be true.(不可能)
2）could常用于肯定句
That could be our taxi now.
4.表示客观可能性，翻译为“有时候会”（只有can）
eg：The northern part of China is cold,but sometimes it can be warm.
二.should
1.表示“应该做” (常有道义上的责任)
Eg: You should do it because you have promised me.
2.表示惊讶、意外：竟然.
Eg: I’m sorry that she should be so selfish.
3.表示推测 (根据以往经验/条件推测出合乎理想的情况或结果) ：应该、按说应该
Eg: The children should be hungry now.
4.should在虚拟语气中放句首可以表示“万一，如果”的意思
eg:Should you have any question,please feel free to contact me.=If you have any question,please feel free to contact me.
三、may/might
1.用于祈使句，表示祝愿(may)
eg：May our friendship live long.
2.表示推测，翻译为“可能”(may/might)
eg:It may /might/could rain this afternoon.
3.表示请求（might比may的语气更弱）
eg:May I come in
I wonder if I might speak to your son.
5.may的否定回答用mustn’t，表示禁止
eg:—May I take the magzine out of the reading room
—No,you mustn’t.Please read it here.
4.may /might as well do :倒不如，不妨
eg:There is nothing to do,so I may as well go to bed.
四.Must
1.表示肯定推测:一定.
Eg: This must be Jim’s pen.
2.表示说话人的主观看法：必须
eg： You must be back before 10 o’clock.
3.must: 偏偏、偏要，非要
She must go and do the opposite after I gave her my advice.
4.must 的否定形式为mustn’t 翻译为“禁止”
eg:You mustn’t make noise in the library.
5.must提问肯定回答用must，否定回答用needn’t 或don’t have to.
eg:—Must I finish my work now
—Yes,you must.
—No,you needn’t/don’t have to.
五.shall
1.用于一三人称疑问句，表示征求对方的意见或建议，翻译为“要不要”“好不好”
Eg: Shall I buy the dictionary
2.用于二三人称陈述句，表示说话人的语气，一般为允诺、命令、威胁、警告等。
eg:You shall get my reply tomorrow.
3.用于文字性的条文条款，法律法规当中：必须，务必(rule、regulation、sign、law)
eg:Each citizen shall carry his identification card when travelling.
六、will/would
1.表示意志、愿望或者意愿，will指现在，would指过去。
eg:I won’t give up halfway.
They would not let him in because he was poorly dressed.
2.表示请求，would比will委婉。
Eg: Will you give her the letter
Would you please tell me your telephone number
3.表示事物的固有性质或倾向性(will)。
Eg: The window won’t open.
My pen won’t write.
5.表示人的习惯，翻译为“总会”will表示现在，would do 表示过去常常。
eg:People will talk.
When he was a child,he would often go skiing.
六.情态动词+have done （表示过去发生）
表示推测 肯定形式 must have done 过去一定做了某事
can（疑问） /could have done 过去可能做了某事
may/might have done 过去也许做了某事
六.情态动词+have done （表示过去发生）
表示推测 否定形式 can’t have done couldn’t have done 过去不可能做了某事
may not have done might not have done 过去也许没做某事
六.情态动词+have done （表示过去发生）
表示虚拟 肯定形式 could have done 过去本可能做某事但实际未做
might have done 过去本可能做某事但实际未做
should/ought to have done 本该做但实际未做
六.情态动词+have done （表示过去发生）
表示虚拟 否定形式 couldn’t have done 没能够做某事（与过去事实相反）
should not/ought not to have done 本不该做但实际做了
needn’t have done 本不必做但实际做了