Unit1《PeriodFourGrammarandusage》课件1牛津版选修6.ppt

Unit 1 Laughter is good for you;什么是非谓语动词？;非谓语动词的三种形式;非谓语动词在句子中的作用; 作主语 ☆动词不定式作主语 To see is to believe. To recover lost time is impossible. ;单个不定式作主语时,谓语动词用单数 若不定式太长,往往用it作形式主语,不定式置后;☆动名词作主语 Fighting broke out between the South and the North.;动词不定式作主语和动名词作主语的区别：;不定式可以和when / where /how / what / whether等连用，在句中作 主语、宾语和表语，而动名词则不能;二 作宾语 ☆动词不定式作宾语 He decided to work harder in order to catch up with the others. I refuse to accept whatever you buy for me. ;记忆口诀：;高考链接： We agreed ________ here, but so far she hasn’t turned up yet. A. having met B. meeting C. to meet D. to have met ;☆动名词作宾语 Eg. I would appreciate you calling back tonight. I regret not having taken your advice. Hearing what happened in Sichuan, many people couldn’t help crying. ;记忆口诀：;某些特殊动词： forget, remember, regret, stop, try, mean, go on, cease, Want, need, require;高考链接： — The light in the office is still on. — Oh, I forgot ________. turning it off B. turning it off C. to turn it off D. having turned it off 2. — You were brave enough to raise objections at the meeting. — Well, now I regret ________ that. A. to do B. to be doing C. to have done D. having done ;三 作宾补 ☆动词不定式作宾补; V2 + sb. + do sth.;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。;☆动名词作宾补;☆过去分词作宾补;四 作定语 ☆动词不定式作定语 1. 表示将要发生的动作。 He has no wish to see her. (表主动) 他并不想见她。 The power station to be built next year will be of great value to the people. (表被动) 明年将修建的发电站将对人们有利。; 2. 在序数词、形容词最高级、 the first， the last, the only 等修饰的名词后作定语。 He is always the first to come and the last to leave. 他总是第一个来最后一个走。 3. 若作定语的不定式是不及物动词,或者及物动词与被修饰的词不能构成动宾关系时,则不定式动词后须加上适当的介词。 He is looking for a room to live in. 他正在找房子住。; 4. 一个带有宾语的动词不定式短语作定语修饰名词时,为了使句意完整,须加一个相应的介词。 When I handed the report to John， h