人教版选修7unit1语法动词不定式公开课.ppt
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1、Unit 1 Living WellDiscovering useful structuresRevision of the Infinitive动词不定式的作用动词不定式的作用 Functions of Infinitive 主语主语 (subject)宾语宾语 (object)表语表语 (predicative)定语定语 (attribute)状语状语 (adverbial)宾补宾补 (object complement)1.It is good to help others.2.It is my ambition to make sure that the disabled people
2、 in our neighborhood have access to all public buildings.3.My ambition is to work in the computer industry when I grow up.Identify its function.(subject)(subject)(predicative)想一想想一想4.I dont have time to sit around feeling sorry for myself.5.I am the only student in my class to have a pet snake.6.A b
3、ig company has decided to buy it from me.7.My fellow students have begun to accept me for who I am.(attribute)(attribute)(object)(object)8.I have had to work hard to live a normal life.9.Some days I am too tired to get out of bed.10.We must call on local government to give financial assistance to di
4、sabled people.(adverbial)(adverbial)(object complement)1.不定式作主语不定式作主语(常用常用it作形式主语作形式主语)To finish this report took him a week.It took him a week to finish this report.2.不定式作表语不定式作表语 To see is to believe.What I would suggest is to put off the meeting.3.My wish is to finish the job quickly.2.My job is
5、to help the patients.不定式常用在系动词不定式常用在系动词 be,seem,appear,get,remain等后作表语等后作表语常用不定式作表语的主语有:常用不定式作表语的主语有:aim/purpose/idea/intention/plan/wish/decision/choice等等作表语作表语 .作定语作定语 (常常表示将来的动作常常表示将来的动作)1.不定式做定语时常放在被修饰的名词或代词之后不定式做定语时常放在被修饰的名词或代词之后 She was very busy and had no time to visit her friends.Ladies and
6、 gentlemen,I have something important to tell you.2.当名词被当名词被the first,the last,the only 等词以及等词以及 形容词最高级修饰时形容词最高级修饰时 eg:She is always the first to come and the last to leave.4.如果不定式是不及物动词如果不定式是不及物动词,则后面需适当的介词则后面需适当的介词 Please pass me some paper to write_.She has a nice pen to write _.He bought a flat
7、for the family to live _.onwithin3.也可用在也可用在have to do和和there be句型中。句型中。There is no one to take care of her.I have no jewelry to wear.eg:He spoke loudly(so as/in order)to be heard.作状语作状语1.表示目的表示目的:to/in order to/so as to2.表示原因表示原因 不定式可以用在作表语的形容词后作状语不定式可以用在作表语的形容词后作状语,sorry,surprised,happy,glad,eager,
8、angry,foolish,right,wrong,slow,quick,rude,cruel,disappointed等。等。eg:Im glad/pleased to see you.We were surprised to hear the news.3.3.结果状语结果状语:We hurried to the station only to find the train had left.only to doonly to be done表示意外的结果表示意外的结果1.We hurried to the station only to find the train had left.2
9、.We hurried to the station only to be told the train had left.作宾补作宾补I didnt ask you to pay for the meal.They have warned us to be careful of rats.接接 to do作宾语补足语的动词及短语有:作宾语补足语的动词及短语有:ask/advise/allow/beg/want/warn/wish/tell/teach/require/permit/forbid/get/help/invite/force/encourage/call on/persuade等
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