中考英語(yǔ)知識(shí)點(diǎn)：中考英語(yǔ)動(dòng)詞時(shí)態(tài)正確理解與使用

如何學(xué)好情態(tài)動(dòng)詞

(Modal verbs)

can: 從客觀角度陳述人們都了解的客觀事實(shí)

●can 表示客觀能力, 與先天、后天能力無(wú)關(guān)。

Birds can fly up into the sky easily.

鳥(niǎo)兒可以輕易地飛到天上去。

Luke can speak Chinese very fluently.

魯克的漢語(yǔ)說(shuō)得很流利。

●can表示人人都了解的客觀可能性或聽(tīng)話人已知的客觀事實(shí)。

If you are brave enough, all difficulties can be overcome.

如果你不畏艱險(xiǎn)，所有的困難都一定會(huì)克服。

Correct ideas can be transformed into a material force that changes the world.

正確的理念一定能夠轉(zhuǎn)化為改變世界的物質(zhì)力量。

I hear that you are going to Thailand. It can be dangerous to be there, I think.

聽(tīng)說(shuō)你要去泰國(guó)，我看到那兒去挺危險(xiǎn)的。

may: 表示說(shuō)聽(tīng)雙方均不確切，相當(dāng)于I am not sure

●推測(cè)或了解可能性

The man you are looking for may be in that room.

May I have a talk with you?

He may never succeed without your help.

●基于may自身的不確定性，常置于句首，用來(lái)表示祝愿

May success attend you! 祝你成功!

(May) God bless you! 愿上帝保佑你!

●You can/may come at any time. (口語(yǔ)中can和may從不同含義角度均可使用。)

ought to: 從客觀角度表示安排、責(zé)任或義務(wù)

●You ought to do the cleaning after school BECause you are on duty.

你放學(xué)后應(yīng)該做衛(wèi)生，因?yàn)榻裉炷阒等铡?/p>

You ought not to write so carelessly.

(It is the students’ responsibility.學(xué)生應(yīng)該做好的事)

Everybody should /ought to help each other in the study, shouldn’t / oughtn’t they?

(在反義疑問(wèn)句中should和ought to有時(shí)可以前后交叉使用，起到主客觀互補(bǔ)的作用)

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