名師談中考英語動詞正確理解與使用:怎樣學好情態動詞
can: 從客觀角度陳述人們都了解的客觀事實
●can 表示客觀能力, 與先天、后天能力無關。
Birds can fly up into the sky easily.
鳥兒可以輕易地飛到天上去。
Luke can speak Chinese very fluently.
魯克的漢語說得很流利。
●can表示人人都了解的客觀可能性或聽話人已知的客觀事實。
If you are brave enough, all difficulties can be overcome.
如果你不畏艱險，所有的困難都一定會克服。
Correct ideas can be transformed into a material force that changes the world.
正確的理念一定能夠轉化為改變世界的物質力量。
I hear that you are going to Thailand. It can be dangerous to be there, I think.
聽說你要去泰國，我看到那兒去挺危險的。
may: 表示說聽雙方均不確切，相當于I am not sure
●推測或了解可能性
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、責任或義務
●You ought to do the cleaning after school BECause you are on duty.
你放學后應該做衛生，因為今天你值日。
You ought not to write so carelessly.
(It is the students responsibility.學生應該做好的事)
Everybody should /ought to help each other in the study, shouldnt / oughtnt they?
(在反義疑問句中should和ought to有時可以前后交叉使用，起到主客觀互補的作用)
can: 從客觀角度陳述人們都了解的客觀事實
●can 表示客觀能力, 與先天、后天能力無關。
Birds can fly up into the sky easily.
鳥兒可以輕易地飛到天上去。
Luke can speak Chinese very fluently.
魯克的漢語說得很流利。
●can表示人人都了解的客觀可能性或聽話人已知的客觀事實。
If you are brave enough, all difficulties can be overcome.
如果你不畏艱險，所有的困難都一定會克服。
Correct ideas can be transformed into a material force that changes the world.
正確的理念一定能夠轉化為改變世界的物質力量。
I hear that you are going to Thailand. It can be dangerous to be there, I think.
聽說你要去泰國，我看到那兒去挺危險的。
may: 表示說聽雙方均不確切，相當于I am not sure
●推測或了解可能性
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、責任或義務
●You ought to do the cleaning after school BECause you are on duty.
你放學后應該做衛生，因為今天你值日。
You ought not to write so carelessly.
(It is the students responsibility.學生應該做好的事)
Everybody should /ought to help each other in the study, shouldnt / oughtnt they?
(在反義疑問句中should和ought to有時可以前后交叉使用，起到主客觀互補的作用)
