高中英语《Unit 2 Working the land》period 2 新人教版必修4.ppt

Period 2;Checking answer – keys for Ex.1 on Page 11:;Alternative expressions;Checking answer – Answer keys for Ex.2 on Page 12:;Checking answer – Answer keys for Ex.2 on Page 12:;Presentation;The usage of –ing form 表示主动的或正在进行的动作或状态;作定语 （单个-ing 形式一般放在被修饰的名词之前 而 -ing短语一般放在被修饰的名词之后);B. 作宾语补足语 1.感官动词 see /look at / notice/ watch /observe/ catch /feel/ find /smell/ hear/ listen to + o.+ doing 2.have\get+o.+doing 3.keep\leave+o.+doing 4.with+o.+doing;C. 作主语和表语 1.区别doing 和to do 作主语和表语时的不同 2.doing和to do 作主语时谓语动词用单数 3.固定句型：It is no use\good doing… 4.注意-ed式形容词和-ing式形容词作表语和定语时的区别;shock\excite\invite\encourage\disappoint 1.It is _exciting_ to watch the world’s top soccer players play in China. 2. I was _shocked_ when I heard about your accident. 3.The father must have said something because the boy finally got up and made a good speech. 4.He said in a _disappointed_ voice that he would leave at once. 5.The food didn’t look very . It was not worth the money. ;动名词与不定式作主语时的比较： 动名词表示的动作通常是一个泛指的动作，不定式 则通常表示具体的动作。如： 还是个孩子的时侯，她就觉得探视病人是一种责 任，也是一种愉悦。 As a child，she felt that visiting sick people was a duty and a pleasure． 到美国人家里做客对我来说将是一个极好的经历。 Being a guest in an American home will be a good experience for me. ;归纳：常用-ing形式作主语的句型有： It +be +a waste of time doing 做……是浪费时间的 It is/was no good/use doing 做……是没用处的 It is/was hardly/scarcely worth doing 做……不值得 It is/was worth/worthwhile doing 做……是值得的 There is no doing 无法……， 不允许……;There is no sense in doing 做……没有道理 There is/was no use doing 干……无意义 There is/was nothing worse than doing 没有比……更糟的 There is/was no point doing 干……无意义 我们不知道要去哪儿。 There was no knowing where we would go. 做这件傻事毫无意义。 There is no point doing such a silly thing. ;D. 作 宾语（-ing??式及其复合结构可以放在动词、介词、短语之后） 1.固定的动词之后（avoid\appreciate\finish\mind…) 2.固定短语之后（give up/ keep on/ be worth/feel like …) 3. remember/ forget/ regret /mean /try /like/ dislike/ love/ stop