外研版高中英语必修3module4sandstormsinasia之一

外研版高中英语必修3module4sandstormsinasia之一内容摘要：

ken away and , if possible ,recycled . If possible=if it is possible If so ,if necessary, if any ,if not 三。 Key patterns : storms sometimes continue all day and traffic moves very slowly because the thick dust makes it difficult to see . Make/think/find/belive/feel/suppose…+it +adj. +to do / doing / that Eg. We found it difficult to get along with him. we thought it wrong wasting our time . He found it strange that no one else had arrived. She felt it her duty to take good care of them. I think it no good going there now. The headmaster has made it clear that the school meeting will not be put off. 动词不定式 grammar 1．不定式的形式：（以动词 do为例） 主动 被动 一般式 to do to be done 进行式 to be doing 完成式 to have done to have been done 否定式： not + to do To teach English is my job. We plan to pay a visit. He seems to know a lot. The meeting to be held tomorrow is put off. The teacher ordered the work to be done. To catch the first bus, he got up early. （ 1）一般式：所表示的动作与谓语动词动作同时发生或表示将来 The boy pretended to be working hard. He seems to be reading in his room. (2)进行式：所表示的动作与谓语动词动作同时发生， （ 3）完成式：表示的动作发生在谓语动词动作之前 I regretted to have told a lie. I happened to have seen the film. He is pleased to have met his friend. To finish the work in ten minutes is very hard. To lose your heart means failure. （ 1）作主语 动词不定式短语作主语时，常用 it作形式主语，例如上面两句可用如下形式： It is very hard to finish the work in ten minutes. It means failure to lose your heart. Her job is to clean the hall. He appears to have caught a cold. （ 2）作表语 作表语的不定式带 to与不带 to。 作表语的不定式通常带 to，当主语部分含有实义动词 do，不定式作表语可省 to。 The only thing I can do is (to)wait. What you should do is (to) study hard. 如果不定式（宾语）后面有宾语补足语，则用 it作形式宾语，真正的宾语（不定式）后置，放在宾语补足语后面 Marx found it important to study the situation in Russia. （ 3）作宾语： 常与不定式做宾语连用的动词有 ： agree,ask, beg ,choose,expect, fail, help, hope, learn manage, offer, plan, pretend, promise, prefer, refuse, want, wish I have no choice but to stay here. He did nothing last Sunday but repair his bike. There is nothing to do but wait.。