英语选修7- Unit 1 Grammar.ppt

Book7 Unit 1 Living Well;动词不定式的作用 Functions of Infinitive ;1. It is good to help others. 2. It is my ambition to make sure that the disabled people in our neighborhood have access to all public buildings. 3. My ambition is to work in the computer industry when I grow up. ;4. I don’t 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 big company has decided to buy it from me. 7. My fellow students have begun to accept me for who I am. ;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 disabled people. ;结构 : to do (否定) not/never to do ;(1).They pretended not to see us.;三. 用法;I want to go home. The workers demanded to get better pay. I found it necessary to talk to him again.;The teacher told me to clean the blackboard. I expect you to give me some help. ;e.g. I made him do his work.;3 不定式用在介词but, except, besides 后时,如果这些介词前有行为动词do的 各种形式,那么介词后的不定式不带to, 相反则带to.;I have something to say. He has a lot of homework to do . He is looking for a room to live in . There is nothing to worry about.;I came here to see you. He got up early to catch the train.;(7).独立结构;(8)不定式与疑问词who,which, when, how, what等连用，在句中起名词作用，可充当主语、表语、宾语等。;关于不定式中的小品词to ;exercise;My teacher was made _____ his teaching because of poor health. giving up B. to give up C. give up D. given up 2.The sentence wants ____ once more. explained B. to explain C. being explained D. explaining want 这里是需要的意思,后面可以接动名词doing用主动表被动,或者接动词不定式的被动结构to be done.这里want doing=want to be done这句话翻译为：这个句子需要再解释一遍. ;3.The Arctic is considered ____ the northern part of the Atlantic. having been B. to have been C. to be D. being;4.The Emperor ordered the wonderful cloth _____ for him without delay. to have woven B. to be woven C. to be weaving D. to weave 5.I found the German language