人教版高一英语必修4-Unit3-grammar课件.ppt

* * * * * Grammar I. Warming Up Have you ever seen these signs? Parking, spitting, littering, smoking -ing forms 1.I am looking forward to _______(see) you again. 2.It’s no use ________(try ) to make me believe you. 3.We don’t allow __________ (smoke), so you must go to the smoking room. seeing trying smoking exercises: Finish the following Ving形式作宾语补足语 -ing形式放在系动词之后作表语时 表示主语的内容 ,可以转换到句首作主语 His job is teaching English. = Teaching English is his job. 表示主语具有的特征、性质和状态(动词ing 相当一个形容词） The problem is quite puzzling. ≠ puzzling is the problem. 这个问题很令人困惑。 This book is interesting. 这本书很有趣（令人感兴趣） I am interested in this book . 我对这本书感兴趣 指人用-ed 指物用-ing 类似情况还有：surprising ~surprised, exciting ~excited, tiring ~tired , disappointing ~disappointed, encouraging ~encouraged ， confusing ~confused , boring ~ bored delighting ~ delighted　 astonishing ~astonished. -ed 分词 Sb. + Link.v + -ed分词 -ing分词 Sth. + Link.v + -ing分词 人的感觉/voice/look/expression 事物本身的特点 巩固练习二 用所给动词的-ed 或~ing形式填空： 1)The journey was quite______．(tire) 2)This was really an _______moment．(excite) 3)His ___________look suggested that he didn’t understand it．(puzzle) 4)He seemed quite _______at the idea. (delight) 5)The present situation is _________．(encourage) tiring exciting puzzled delighted encouraging Ving形式作定语 4.作定语: a walking stick A swimming pool A sleeping car 区别 The walking man The swimming girl The sleeping boy 动名词修饰名词表示名词的功能 现在分词修饰名词表示该名词所处的动作状态 a stick for walking a pool for swimming a car for sleeping A man who is walking The girl who is swimming The boy who is sleeping 2. -ing形式短语作定语时, 放在所修饰的名词之后, 并且在意思上相当于一个定语从句。如： They lived in a room facing the street. = They lived in a room that/which faces the street. 他们住在一间面朝街的房子。 The man standin