译林2003课标版《Grammar and usage(1)： Ellipsis》优质课教案下载

译林2003课标版《Grammar and usage(1)： Ellipsis》最新教案优质课下载

2.Doing morning exercises every day is good for health

（2）天天做早操有益于健康。

3.Smoking is not a good habit. （3）吸烟不是好习惯。

2.用it作形式主语，常与no use,no good,useless, worthwhile连用

1.It’s no use talking too much without doing anything.(1）光说不做没用

2.It’s useless crying over the spilt milk. （2）做无益的后悔没用

3.It’s no good smoking too much （3）吸烟太多无益

4.It’s worthwhile learning English well. （4）学好英语是值得做的

◆ 不定式作主语

1。直接作主语

1.To see is to believe

2.To do morning exercises today is not good for health.

3.To smoke here is dangerous

（1）眼见为实

（2）今天早晨做早操对身体无益

（3）在这里吸烟很危险

2。用it作形式主语，有自己特定的句型

1.It is very kind of you to say so.

2.It’s very foolish of him to say such things

3.It is necessary for us to learn English well

4. It’s not difficult for you to learn well English grammar

1）你这么说真是太好了

（2）他说出这样的话太愚蠢了

（3）我们学好英语是必要的

（4）你们学好英语语法并不难