动词不定式导学案 车可贤 2021.3.181、 不定式的构成式_， 其否定式_. 2、 不定式的时态和语态 主动式被动式意义一般式完成式进行时完成进行时3、 不定式在句中的作用1 作主语的方式：直接出现在句子的_上。 * To exercise is beneficial to our health. 或在_句型中。如 it is important to master English. 动词不定式作主语时，谓语通常是_数。2 作表语：主+系+to do. 不定式放在_ 后面对_的内容进行解释说明。主语常是表示“意向、打算、计划 ”的名词，如_。 * His ambition is to set up schools for children of poor families. 3 作宾语。(1)主+谓+宾 的句式中，在_动词为谓语的后面作宾语。常见的谓语动词有_等。特别注意 fail to do 的意思是_ . * Tom failed to see the bus because he was using a cellphone. (2) 主+谓+ it +adj/n to do 句型中作宾语。其中it是形式宾语，to do 是_.常见的谓语动有_ 等。* I find it difficult to communicate with him in English (3) _+ to do的短语作宾语，在动词_等之后。 * I dont know how to operate the machine. 4 作宾语补足语(1) 在主+谓+宾+to do/ not to do的句型中，to do/ not to do 作补足语。能作这类谓语的动词有_等。* He wants all of us to make rapid progress. (2) 动词“三让”：_“五看”：_“两听”：_后的不定式作宾语补足语时，不定式_. 但如果这些动词变为_时，不定式不能省略_. * Someone saw him go upstairs. He was seen to go upstairs.5 作状语 (1)原因状语: 主+系+表（形容词）+to do. 形容词是“喜，怒，哀，乐:”_. To do 表示原因。* I am very glad to meet you here. (2)目的状语: _/_/_+ to do/not to do. * To/ In order to catch the early bus, I got up at five this morning. (3) 结果状语 Only to do (_) 表示意想不到的结果。 * I went to see him, only to learn that he had left the city the night before. 6. 作定语 (1) 在抽象名词_等或不定代词_后的不定式作定语， * They made a decision to face the challenge. * In the fridge I cant find anything to drink.(2) 在 the first/ last+(名词)+ to do 中 to do 作定语。 * She was the first woman to climb the highest mountain.达标检测-单句语法填空1It is important _ (know) the body language of the country you will visit to avoid misunderstanding.2Its no use _ (complain), and you should take action to avoid greater loss.3One of his ambitions when he was young was _ (become) a famous lawyer.4_ (handle) the urgent task, he decided to take a holiday with his parents.5You were silly _ (leave) your new bike outside without locking it last night.6The manager asked Robert _ (take) charge of the big project though he was not experienced.7When you go to a foreign country, you will spend some time _ (recover) from culture shock.8The great inventor made it possible for everyone _ (use) the new technology, not just universities and the army.9_ (see) is to believe.I wont believe it until I see it with my own eyes.10My decision is_ (set) up my own website after graduation from university.