九年级英语非谓语动词.ppt
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1、,非谓语动词,非谓语动词,非谓语动词:也就是不能用作 谓语的动词。,动词不定式,V_ing,过去分词,动词原形,包括,一.动词不定式,2、动词不定式的常见用法,A、不定式作 主语,当不定式作主语时,习惯上用作it形式主语,而将动词不定式后置,构成固定句型。Its+adj+to do sth.,(1)To learn English well is not easy.(2)To protect our environment is very important,(1)Its not easy to learn English well.(2)Its important to protect ou
2、r environment.,B、不定式作宾语,常见的只能跟to不定式的动词及短语。,想要want,wish 希望,hope希望,决定decide,学会learn,想要would like,迫不及待cant wait,准备get ready,(1)I hope to be a doctor.(2)She cant afford to buy a camera.,计划plan,负担不起cant afford,Wang Tao hopes to be a scientist in the future and wishes to visit the moon by himself.He would
3、 like to collect pictures about the moon very much,so he learns to search the Internet and wants to get more Information.Then he plans to buy a computer,but he cant afford to buy one.Now he cant wait to look for a job and decides to work hard at it.At the same time he get ready to make his dream com
4、e true.,C、不定式作宾语补足语,常见动词:,请、叫ask,告诉tell,想要want,邀请invite,允许allow,喜欢like,警告warn,鼓励encourage,教teach,想要would like,(1)My mother always likes me to get up early.(2)Lucy often teaches me to learn English.,One day my mother allowed me to go to the park,but she warned me not to come back late.My father liked
5、 me to go with Lucy,because he wanted me to learn English from Lucy.I invited her to go with me.Lucy taught me to study English and encouraged me to speak more English.Sometimes she asked me to teach her Chinese.I would like her to stay with me very much,so I told her to wait for me outside the scho
6、ol gate every Saturday.,D、不定式作定语,熟记下列短语,something to eat,something to drink,anything else to say,much work to do,something nice to eat,1.I have a lot of homework to do.,2.Do you have anything to say?,lots of housework to do,3.My father has something important to tell me.,4.Would you like something t
7、o drink?,E、不定式与疑问词连用,构成不定式短语,作宾语,1.I dont know where to go.2.He didnt know what to do.3.Can you tell me how to get there?4.I cant decide which to choose.,“疑问词+不定式”结构可以转换为从句形式,(1)I dont know where I will go.(2)He didnt know what he would do.(3)Can you tell me how I can get there.(4)I cant decide whic
8、h I will choose.,F、常见固定搭配,1.too to do(1)The desk is too heavy to carry.(2)The boy is too young to go to school.,2.be+adj+enough to do(1)The girl is old enough to go to school.(2)The ice is thick enough to skate on.(3)The room is big enough for 10 people to live in.,3.Its time to do sth 或Its time for
9、 sb to do sth.(1)Its time to have a rest.(2)Its time for us to play football.,4.It takes sb some time to do sth.It takes me three days to finish the job.,5.be+adj(glad.sorry.sure.happy.afraid等表情感的形容词后)+to do sth.(1)Im sorry to trouble you.(2)Im afraid to face my mother.,二、v-ing,1、常见跟ing的动词,2、词组搭配中的i
10、ng形式,3、词组搭配中受介词影响需用v-ing,喜欢enjoy,完成finish,介意mind,保持keep,练习practise,(1)be worth doing(2)be busy doing(3)feel like doing(4)keep sb doing,1)keep on doing 10)spend(in)doing 2)be good at doing 11)what(how)about doing 3)do well in doing 12)Its another way of doing 4)stopfrom doing 13)instead of doing 5)th
11、anksfor doing 14)be afraid of doing 6)without doing 15)get ready for doing helpwith doing 16)prefer doingto doing be used for doing 17)make a contribution to doing be interested in doing 18)try out doing,4、词组搭配中ing的形式,家常做法home cooking,候诊室waiting room,起居室sitting room,切割机cutting machine,起跑线starting li
12、ne,终点线finishing line,购物单shopping list,购物中心shopping centre,购物篮shopping basket,阅览室reading room,只有立足之地standing room only,禁止吸烟No smoking,禁止停车No parking,游泳课swimming lesson,餐厅dining room,植树节Tree Planting Day,毛笔writing brush,go swimming(hiking,fishing,skating,shopping),潜水scuba diving,do some(cooking,readin
13、g,washing,cleaning,shopping),三、动词原形,1、使役动词:let.make.have,2.常见句型:,(1)Why not+动词原形(2)Why dont you+动词原形(3)Youd better+动词原形(4)Youd better not+动词原形(5)Will you please+动词原形(6)Will you please not+动词原形,1.Lets begin our class.2.Dont make the baby cry.3.He always have me do much housework.,四、过去分词,1.have sth do
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