The environment课件1.ppt

* * Unit 2 Grammar and usage1 非谓语动词 过去分词 不定式 -ing 形式 动名词 现在分词 完 成 一 般 被 动 主 动 Forms of v-ing doing being done having done having been done 1. He hurried home, behind as he went. (look) 2. their work, they had a rest. (finish) 3. The large building now is a library. (build) 4. the lab, we were taken to see the library. (show) （一般式） （完成式） （被动式） （完成被动式） looking Having finished being built Having been shown 注： 选择非谓语动词的步骤 若句子不缺谓语时，则选择使用非谓语动词。 确定该动词与句子主语的关系（v-ing 主动/ v-ed被动)。 3.确定该动词发生的时间（v-ing 与谓语动词同时进行，having done先于谓语动词） 1.Other types of waste flow into our water, 　　_____________(kill) river and sea life. 2.Sometimes we need help __________(get) along 　　with others. 3.I must have sounded very proud of myself 　after the quiz, _________(say) how easy it was. 4.Amanda and her friend, Sharon, are sitting on 　the sofa,_________ (talk).　 killing getting saying talking 5.They’re still sitting on the sofa,__________　(continue) the same conversation on the 　　same topic. 6.____________________(work) with many 　　environmental consultants, I know that a 　　healthy environment and development 　should be possible at the same time. 7.________（ask）around, I find many people 　willing to pay a little higher price . continuing Having worked Asking 8. The people ____________ (operate) these 　 factories are deeply concerned about …. 9.Do you know the boy___________（stand)　at the door? 10.The workers ___________（work） in the 　 factory are well-paid. standing working operating Fuctions Attribute Predicative Object complement Adverbial V-ing an interesting book boiling water the man sitting by the window the bridge being built 现在分词用于名词前，用来修饰该名词，功能上相当于形容词；也可用于名词后，并可改写为定语从句。 1.Attibute The girl writing a letter there can speak English very well. ＝The girl who is writing a letter there can speak English very well. The factory making TV sets is v