高考英語(yǔ)必背知識(shí)點(diǎn)
高考英語(yǔ)需要學(xué)習(xí)的方法和做題的技巧。在這基礎(chǔ)上需要高考英語(yǔ)的必背知識(shí)點(diǎn),下面是小編準(zhǔn)備的高考英語(yǔ)必背知識(shí)點(diǎn)有關(guān)資料,僅供大家參考!
高考英語(yǔ)必背知識(shí)點(diǎn)
情態(tài)動(dòng)詞
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詞義&用法
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注意事項(xiàng)
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特殊用法
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can
could
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1.表具備某種能力
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Can表現(xiàn)在能力;Could表示過(guò)去能力.可用be able to代替;was/were able to 表示成功做了某事
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(1)表驚異、懷疑、不相信、不耐煩等。(此意常用于否定句、疑問(wèn)句或驚嘆句語(yǔ)氣)Can/Could this be true?
(2)can not…too\enough表示"無(wú)論怎樣``````也不過(guò)分","越``````越好":
You can't be too careful.
你越細(xì)心越好
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2.表請(qǐng)求和允許
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①請(qǐng)求用could 語(yǔ)氣委婉
②允許不用 could.
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3.表“可能性”
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① can用于否定和疑問(wèn)句(could不限)
② can (be)表示有時(shí)候會(huì)(常與sometimes, at times 連用)
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may
might
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1.表請(qǐng)求和允許
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①請(qǐng)求用might語(yǔ)氣更委婉。
②允許時(shí)用may,表示“可以”(表示允許時(shí)不用might)。
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(1)may/might well+V原形:表"完全可能,,很可能"= be very likely to:He may well be proud for his son.
(2)may/might as well+V原形:"最好,滿可以,倒不如"
You may as well stay here over night.
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2.表可能性“也許”
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此意常用于肯定句。(might可能最小)
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3表祝愿
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固定句型為“May+主語(yǔ)+V原型”:
May you succeed!
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must
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1.表“必須”
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① must多表主觀、現(xiàn)在/將來(lái)義務(wù); have to多表客觀、過(guò)去義務(wù)
② mustn't表"禁止";否定用needn't / don't have to
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(1)表示必然結(jié)果:
All men must die.人固有一死。
(2)表示一種與說(shuō)話人愿望相反、不耐煩的感情色彩,可譯為“一定要、偏偏、非要”:
If you must know, her name is Mary.
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2.表推測(cè):“肯定是、準(zhǔn)是”
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只用于肯定句。在否定句/疑問(wèn)句中用can/could
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will
would
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1.表意愿,決心等
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Would此時(shí)為will過(guò)去式,無(wú)意義差別
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(1)will表命令(說(shuō)話者確定命令一定會(huì)得到執(zhí)行)或允諾:You will report to me afterwards.(命令)They will get enough money from me.(允諾)
(2)可用于祈使句附加疑問(wèn)句(反義疑問(wèn)句):(此時(shí)would比will委婉) Don’t go now, will you?
(3)would短語(yǔ):would rather/would prefer寧愿;would like/would love喜歡/想要(見(jiàn)注意①)
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2.表經(jīng)常性,習(xí)慣性,傾向性,
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Would表過(guò)去反復(fù)的動(dòng)作/某種傾向(相對(duì)于used to無(wú)“現(xiàn)已無(wú)此習(xí)慣”之義。)
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3.表功能,性質(zhì)
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敘述真理:The tree will leave without water for 3 months.
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4.表估計(jì):“想必,大概”(只時(shí)態(tài)區(qū)別)
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此意表對(duì)目前事物的預(yù)料。That will be the postman ringing.(would表示過(guò)去/現(xiàn)在;will表示現(xiàn)在/將來(lái))
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5.表“請(qǐng)求/要求”
(Will you?)
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此意用于疑問(wèn)句,常與you連用
Will you give me a piece of paper?
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shall
(shan’t)
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1.表征求意見(jiàn)(“好不好”)
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用在第一、三人稱Shall the reporters wait outside or what?
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點(diǎn)2其他示例:
He shall have the book when I finish reading.(允諾)
You shall fail if you don't work harder.(警告)
You shall come at once.(命令)
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2.表允諾、威脅、警告、命令或根據(jù)規(guī)定有義務(wù)做
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用于第二、第三人稱
Passengers shall not talk with the driver while the bus is moving
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3.表規(guī)章、法令、預(yù)言:“必須”
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用于所有人稱
Every competitor shall wear a number
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should
ought to
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1.表示道義上的責(zé)任,義務(wù)或要求,
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有時(shí)表示勸告:You ought to /should pay more attention to what your lawyer says.
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(1)should 用于疑問(wèn)句中表示說(shuō)話人對(duì)某事不能理解,惋惜,感到意外,贊嘆,憤怒、驚異等感情,意為“竟會(huì)”,有時(shí)也用于陳述句中
(2)Should還可以用在if引導(dǎo)的條件從句,表示一件事聽(tīng)起來(lái)可能性很小,但也不是完全沒(méi)有可能,相當(dāng)于“萬(wàn)一”的意思。(見(jiàn)注意②)
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高考英語(yǔ)常見(jiàn)情態(tài)動(dòng)詞練習(xí)題
( )1. — I get there on time today ? — No , you needn’t .
A. Can B. May C. Must D. Should
( )2. — May I talk about it with anyone I like ? — No , you .
A. shouldn’t B. mustn’t C. needn’t D. don’t have to
( )3. A teacher do every exercise , but a pupil must .
A. mayn’t B. needn’t C. can’t D. mustn’t
( )4. — Will you please give her a message when you see her ?
— Yes , I .
A. shall B. will C. can D. must
( )5. — Would you come back later next time ?
— No , I .
A. shan’t B. wouldn’t C. won’t D. mustn’t
( )6. — Must we finish copying all these articles this morning ?
— No , you .
A. mustn’t B. haven’t C. not have to D. don’t have to
( )7. The little girl dance before so many guests , she ?
A. doesn’t dare to , dare B. daren’t , does
C. dares not , dare D. daren’t , dare
( )8. you tell me what’s happening over there ?
A. Could B. May C. Might D. Shall
( )9. I have a word with the manager , sir ?
A. Will B. Would C. May D. Can
( )10. — Something flying far away must be a hawk .
— No , it be a hawk .
A. mustn’t B. mightn’t C. can’t D. might
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