2018年外研版高考专题复习英语课件：动词不定式(共67张PPT)

不定式运用口诀 本领最多不定式，主、表、宾、补、定和状。 样样成分都能干，只有谓语它不敢。 大家千万要当心，有时它把句型改， 作主宾时用“it”, 自己在后把身藏。 七个感官三使役， 宾补要把to甩开； 疑问词后接上它，宾语从句可充当； 逻辑主语不定式，不定式前for sb. ; to前not是否定， 各种用法区别开。 The Infinitive subject object predictive attribute adverbial complement To do that sort of thing is foolish. It is foolish to do that sort of thing. I want to see you this evening. All you have to do is (to) finish it quickly We found a house to live in. She came here to study English. The patient was warned not to eat oily food after the operation. He lifted a stone only to drop it on his own feet. They jumped with joy to hear the news. 一、不定式结构作主语 To see one time is better than to hear a hundred times. To persevere means victory! 注①：在很多情况下，特别是在口语中，常采用先行it代替主语，而把不定式后置： It’s a great pleasure to be here. It is not an easy thing to master a language. 注②：这种后置不定式的结构也适用于某些谓语动词不是系动词的句子，如： It took us five hours to ge