牛津译林版初中语英9AUnit3Teenageproblems语法知识点及相关习题.doc

Unit 3 Teenage problems(B) 一. 教学内容： 9A Unit 3 Grammar 二. 教学目标： 1. To-infinitives 动词不定式 2. “wh” words + to-infinitive 疑问词+不定式动词 3. Sentence types 句子的四种类型 【具体教学过程】 （一）To-infinitives 动词不定式 Subject (主语) To plant trees every year is necessary. 不定式作主语常能换成形式主语 “it”. To eat too much is unhealthy for you. It is unhealthy for you to eat too much. To learn English well is important. It is important to learn English well. 我们相信早上读英语是有帮助的. We believe it is helpful to read English in the morning. Predictive (表语) My dream is to be a great football player. 不定式作表语，说明主语的内容，性质，特征，能接不定式作表语的名词有: dream, plan, duty, aim, purpose, job 等 1. 我的目的是帮助你提高你的英语水平。 My purpose is to help you improve your English. 2. 赫本的梦想是成为一个成功的芭蕾舞者。 Hepburn’s dream was to become a successful ballet dancer. Object (宾语) 不定式可以接在有些动词后作宾语, 如: hope, promise, plan, learn, decide, choose, prepare, agree, remember, forget, seem 1. 请你不要忘记参加我们的俱乐部派对。 Please don’t forget to take part in our club party. 2. 他决定上课时不再讲话了。 He decided not to talk in class any longer. (不定式的否定形式是在不定式前直接加not) 下列句子中哪个是宾语? Wearing red can make it easier for you to take action. “it”可以代替不定式作宾语，称之为形式宾语。能加形式宾语的动词通常有: make, find, consider, feel 老师应该使学生学英语容易。 Teachers should make it easier for students to learn English. 我们发现打电脑游戏有趣。 We find it interesting to play computer games. Object Complement (宾语补足语) My parents do not allow me to go out after 6 p.m. 不定式作宾补,此时宾补与宾语有逻辑上的主谓关系。这样的搭配有： allow sb. to do sth. need sb. to do sth. advise sb. (not) to do sth. want sb. (not) to do sth. tell/ ask /order sb. (not) to do sth. 1. 妈妈告诉我雨天不要骑自行车。 My mother tells me not to ride a bike on a rainy day. 有些动宾结构可以接省略“to”的不定式作宾补。 (使役动词) make/ let/ have sb. do sth. (感官动词) see/hear/notice/watch sb. do sth. 2. 米丽的父亲每天让她做很多练习。 Millie’s father makes her do plenty of exercises. 3. 有人看到他走进那幢高楼。 Someone saw him walk into that tall building. 被动语态 在被动语态中 “to” 要还原。 Millie is made to do plenty of exercises. He was seen to walk into that tall building. 动词“help”既可以带“to” 也可以带省略“to”的不定式