高考语法总复习-英语非谓语动词.pptVIP

Grammar To-infinitive and bare infinitive 用户名:xlyang Revision Analyzing the following sentences: To-infinitive 1. The to-infinitive is to + the base form of a verb, eg: to do and to work. It can be used alone or as part of an infinitive phrase. （1） 作主语： To smoke is a bad habit. 不定式作主语常见句型： （2）作表语：当句子的主语是aim, idea, policy, question, suggestion, wish, task, duty, job, purpose等或者主语是what引导的名词性从句时，后面可以用不定式做表语，用以说明主语所包含内容。 Our most important task now is to make a plan. 2.不定式的复合结构： 不定式的复合结构，以it为形式主语或形式宾语引导的复合结构。如果其前的形容词是指行为的性质就用：for sb. to do sth.这种复合结构在句中可作主语、表语、宾语、定语、状语等。 It is necessary for me to learn English well. 如果该形容词是指行为的性质，同时又指行为的人，则用of sb. to do sth.。这种句式中的常用形容词有：right, wrong, brave, careful, careless, clever, wise, stupid, cruel, foolish, good, honest, kind, nice, silly等。 It’s very kind of you to come to see me. Bare infinitive Another kind of infinitive is the bare infinitive. It is the infinitive without to : 1.We use the bare infinitive after: (1).let and make and sometimes have I let her borrow my book. She made me promise to write every day. The teacher often has his students read aloud in class. Tip2: When the verbs of perception: feel, hear, see, watch and notice are used in the passive voice, the object complements are changed into the subject complements, the to can’t be omitted. His father made him go to bed early. →He was made to go to bed early by his father. Practice Finish the exercises on page 9 Language Points 1. We had nothing to do but watch TV.我们除了看电视无事可做。 非谓语的一种用法。 but其后要接带to不定式，但有三个结构例外。 do nothing but， cant but，can not help（choose）but，它们后面要接不带to的不定式。 It was raining all day, so we had nothing to do but stay at home. 下了一整天雨，我们只好待在家中。 All the materials ran out. They could do nothing but wait. All the materials ran out. They had no choice but to wait. 所有的材料都用完了，他们只好等待。 【考点考例】 There was nothing they could do______. A. but wait　　　 B. except waiting C. only to wait　 D. unless they wa