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江苏省启东中学高中英语必修5《Unit 1 Getting along with others Period 56 Grammar》教案(译林版)

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A、Infinitive has two forms: 1. to do 2. do B、Infinitive can be used as: 1、Subject of a sentence To do sth. is / v. + sth. It is / v. sth. to do sth. e.g. To learn English well is not easy. It is not easy to learn English well. To repair the car needs time and money. It needs time and money to repair the car. To build the lab is our task. To talk with your mouth full is not polite To go to a first class university is my dream. Some common sentence structures: It is one’s turn to do sth. It makes no difference whether to .. or … It is up to sb. to do sth. It is likely for sb. to do sth. 2、Object of a sentence Some verbs can only be followed by to do:want / manage / afford / hope / agree / wish / refuse / need / offer / decide / hate / determine / pretend / ask / help / ‘d like to We can use two sentence patterns: 1) Sb. / sth. v. + to do sth. 2) Sb. / sth. v. + to do sth. + adj. / n. Sb. / sth. v. + it + adj. / n. + to do sth. e.g. Today he likes to go with us. He pretended to be asleep when Mother returned. We think it difficult to get along with him. I find it fun to swim in a river in summer. We make it a rule to read English or Chinese in the early morning. 3、Object complement 1) Sb. / sth. + v. + o. + to do sth. The following verbs are usu. followed by “to do” as an object complement:ask / tell / want / order / ‘d like / wish … e.g. She told me to keep the secret for her. I want you to go with me, not him. 2) The following verbs are usu. followed by “do” without “to”:let / make / have / see / hear / listen to / watch / notice … e.g. Please let me explain how to do it to you. He often has us work extra hours without extra pay. Tom often makes his sister wash clothes for him. 注:这类结构改为被动语态时,要把省略的 “to” 补上。 e.g. She is often listen to to play violin in the morning. I’m made to do what I don’t like. 4、Predicative to “be / seem (appear / prove …)” Sb. / be / seem / appear / prove + to do / be … e.g. Our job is to help them to finish the work on time. = To help them to finish the work on time is our job. My job is to teach English for Class 3 / 7. = To teach English for Class 3 / 7 is my job. She appears to be very excited / sad …. His words proved to be true / wrong. 5、Attribute modifying a noun before 1) Sb. have sth to do. = Sb. have sth. that … ; There be sth. to do / to be done e.g. We have nothing to do with the accident. She has many thing to do today. I have no one to talk to. There is nothing to do / to be done here. * S


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