非谓语动词句法功能 句子成分非谓语动词主语 宾语 表语 定语 状语 补语不定式√√√√√√动名词√√√√√现在分词√√√√过去分词√√√√不定式本领强，六种成分都能当；动名词不示弱，主宾表定状用上；两分词互不让，表定补状争亮相。一 . 不定式的句法功能：1. 作主语 To see is to believe.To remember this is very important.为了避免句子头重脚轻 , 常用 it 作形式主语 , 而把不定式放在句后 ,e.g. It’s very important to remember this.2. 作表语Her wish is to be a doctorHe seems to be ill.3. 作宾语I can’t afford to buy a car.Remember to post my letter.不定式不仅可以作动词的宾语，而且可作个别介词的宾语如 but ， except ， e.g.I had no choice but to wait.It had no effect except to make him angry. 当作宾语的不定式后跟有宾语补足语时 , 通常用 it 代替不定式 , 并将真正的宾语不定式宾语补足语之后 :I find it difficult to learn Japanese well.4. 用作宾补：He warned me not to touch it.What caused him to changed his mind?5. 用作定语 :I have a question to ask you.It is a pleasant thing to remember.6. 用作状语 :I went to France to learn French. （表目的）He went home to find his wife waiting for him. （表结果）We are proud to be members of this team. （表原因）You would make a great mistake to accept his offer. 你要是接受他的建议 , 你就犯了大错误 . （表条件）He opened his mouth as if to say something. （表方式）二 . 不定式的否定式 :1.not to do/never to do2.so as to /in order to 的否定式 :so as not to/in order not to三 . 不定式的时态与语态 :1. 不定式的时态与语态的基本形式（以 do 为例））主动语态被动语态一般式to doto be done进行式to be doing无完成式to have doneto have been done完成进行式To have been doing无2. 不定式一般式的用法 :⑴ 表示将来 , 即表示发生在谓语动作之后的动作 :We decided to leave early.He asked me to buy him some paper.⑵ 表示与谓语动作同时发生或略先于谓语动作的动作 :W...
