Few things are impossible in themselves; and it is often for want of will, rather than of means, that man fails to succeed.
There are no secrets to success. It is the result of preparation, hard work, and learning from failure.
Tom : I burned up my car because I want to. will you join me? Jerry : Yes I’d love to. ………….. You haven’t burnt your car? But you ought to have, because you have promised. Tom: You fool.
为避免句子重复，承前省略动词原形，而保留不 定式符号to，但是有助动词be或have时，则要 保留be或have
Tom heard jerry date with other guys. He was very angry. He even could see his own heart bleeding. So Tom decided to ask Jerry why. They were heard quarreling in the next door. After that, Tom left, never back. It was said that he was last seen standing near a river. Oh, poor Tom. 不定式在感官动词see, hear, feel, watch, notice, look at , listen to, observe 和使役动词 have, make, let 后作宾语补足语时, 不定式省略to 。
I have a friend called Lihua. She likes nothing but to enjoy junk food.It makes no effect except to make me sick.But in fact, I could do nothing but put up with him. I hope one day she can change herself, but there’s little I can do but play trick on her. One day, ...... When she fell off the bike, I could not help but laugh. Poor Lihua. 在can’t but，can’t not help but, can not choose but之后的
动词不定式一般不带to，but / except之前有实义动词do的 某种形式do，does，did，done时，也不带to； 当主语或修饰主语的定语从句中有动词do的某种形式时，用作 表语的不定式可以省略。如：All I did is（to）give him a lesson.
When compared with the size of the whole earth, the biggest ocean does not seem big at all. While cooking dinner, she thought of her past. You should let us know the result as soon as(it is) possible. If (it is) necessary, I’ll pay him a personal visit. 在时间、条件、让步状语从句中，如果从句的主语和主句 的主语相同或者是it，从句中谓语动词又含有be的某一 种形式时，可以省略从句中的主语和be。
Should it rain tomorrow, we would have to put off the visit to the White River. Were I you, I wouldn’t do that. Had you come earlier, you would have met him
Had it not been for the bad weather we would have arrived in time.
如果在条件句中含有were/ had/ should，可将if省略，然 后将 were/ had/ should移至主语之前，构成省略倒装 句
She suggested that the class meeting (should) not be held on Saturday
The expression on his face suggested that he was very angry.
He insisted that he ______ right, and so he insisted that his plan ______ carried out at once. A. was; be B. be; would be C. was; was D. be; should be
one、the one、that等的选择 1.You have no watch, so I think you’d better get ____． one 2. Will you please pass me some apples？I’d like big ones ___． the one 3. Is this university _____they visited last spring？ 4. However，new shoots of ones bamboo will come up from around the roots of the old ____． the one/ that 5. Tom’s textbook is not so new as _____ of Rose． 6. It that is said that the weather in Beijing is colder than _____ in Nanyang． 7. The lights in your classroom are much brighter the ones/those than_____ in ours．