新非谓语动词.pptVIP

(1)作主语 不定式短语作主语时，往往放在谓语之后，用it作形式主语。 He asked me to do the work with him． 但是在feel, hear, listen to, look at, notice, observe, see, watch, have, 1et, make等词后的补足语中，不定式不带to。但变成被动语态时, 被省的to必须加上。 e.g. When they were young , he often made his little sister cry but now he is made to do this or that by his sister. 不定式的省略 1.---Would you mind looking after my cat? ---I’d be happy to. 2.补语时 The boy wanted to ride his bike,but his mother told him not to. 3.某些动词后(like,love,hope,wish,mean,try) -----will you go to the theatre? ----sorry, I don’t want to. 4.某些固定用法(ought to,have to,used to, be going to) -----why didn’t you come yesterday? -----I was going to, but Mary visited me. 3.Having a trip abroad is certainly good for the old couple, but it remains ___ whether they will enjoy it. A.to see B. to be seen C. seeing D.to have seen 4.I meant ____, but when I left, I couldn’t find her anywhere. A.to do B. to C.doing D.to be done 9.The party was successful, but we thought it a pity not _____ you. A.invite B. to invite C. inviting D. to have invited 10.____, one must have something _____. A. Living, to believe B. To live, to believe in C. Living, to believe in D.To live, believing * 语法 infinitive 不定式的结构形式 语态 形式 主动 被动 一般式 完成式 进行式 完成进行式 to do to be done to have done to have been done to be doing to have been doing 否定形式 not to do infinitive 不定式的用法 1.It is right to give up smoking. 2.She wanted to borrow my bike. 3.I came here to see you. 4.He needs a room to live in. 5.I asked him to do the work with me. 6.My wish is to become a doctor. 主语 宾语 状语 定语 宾补 表语 To see is to believe． To give up smoking is right. It is right to give up smoking. It’s foolish (of you) to do that. It’s impossible (for you) to finish all. 不定式作表语 1. 主语是不定式(表示条件)，表语也是不定式(表示结果) To see is to believe. To work means to earn a living. 2. 主语是以aim, duty, hope, idea, happiness, job, plan, problem, purp