课件24张PPT。非谓语动词初三英语语法复习非谓语动词动词不定式基本形式用法注意动词不定式(1)基本形式:
to+动词原形 (在某些情况下可以不带 to)√√√√√×(2)与谓语动词的区别:动词不定式(3) 用法 :A、作主语,如 To see is to believe.B、作表语,如 The important thing is to see.动词不定式C、作宾语动词 + to do动词+疑问词 + to do 动词 + it(形式宾语)+宾补 +to doeg: agree,decide ,fail, hope, wish, want, plan I don’t know what to do .I find it important to learn English.动词不定式D、作宾补动词 + 宾语 +to do 动词 + 宾语 + doLi Mei asked me to show her the new dictionary .注:有以上结构的常用动词有 tell. wish, ask, want , invite,allow,encourage,advise 等。(不带 to 的不定式)
注:常用的动词是:感官动词hear , see, watch, feel, notice; 使役动词 have ,make,let.E、作状语可以表目的、表结果、表原因F、作定语(必须后置)动词不定式 He is the last person to leave the office after work. He got up early to catch the first bus.注意:动词不定式的否定形式为:
not + to doMr.Smith asked the boy ___________(not play) this kind of game. not to playPlease have him __________(not do) so much housework. not do动名词基本形式及特点用法习惯用语动名词基本形式特点动词原形 + ing 2、具有名词、动词的一些特征。1、有时态和语态的变化动名词用法1、作主语Seeing is believing.2、作宾语(1)只能接动名词做宾语的动词有like, finish, mind, keep, practice, enjoy,等。动名词(2)既可接动词不定式又可接动名词作宾语的动词有两类:动名词Remember to do
Remember doingForget to do
Forget doingStop to do
Stop doingTry to do
Try doing动名词3、作表语His favorite sport is playing basketball . 4、作定语 shopping basket
finishing line
reading room动名词的习惯用语: a. It’s no use doing sth. b. can’t help doing sth.c. feel like doing sth.d. be busy doing sth.e. look forward to doing sth.分词现在分词过去分词现在分词基本形式:动词原形+ ing过去分词基本形式: 规则动词加ed
或不规则动词的过去分词过去分词表示被动和完成现在分词表示主动和进行developing countrydeveloped countryAre you ready ?
OK ! Now ,have a test!HAVE A TEST 2. She can’t help ____ the house because she’s
busy making a cake.
A . to clean B . cleaning
C . cleaned D . being cleaned1.He gave us some advice on how____ English.
A. learning B. learned
C. to learn D. learn3 .Is______necessary to change trains at Beijing?
A . This B. that C. it D. he4.Our father often told us in the past that _____is believing.
A .to see B .seeing C. see D. to be seen5.I’m thirsty. Would you please give me something .
A .drunk B. to drink
C .to be drunk D .for drinking8.Don’t you remember _____________? A.seeing the man before B.saw the man before C.to see the man before D.to have seen the man before7.Would you mind ____________ your radio a little? A.turn off B.turning off
C.to turn down D.turning down6. It was so cold that they kept the fire ________all night.
A. to burn B. burn C. burning D . burned1. I didn’t spend all the money _______(buy) the books.2. Do you have anything ________(say) at the meeting?3. Yesterday I saw a wallet ________(lie) on the ground .4.The man ran out ________(see) what was wrong .5. Stop ________(read), please. I’ve something to tell you .6. The boy _______(call) Li Hua in the room is his brother.buyingto saylying to seereadingcalledThank you!