高中英语Grammar and usage教学设计

Step 2&3: Presentation & Practice

1， 非谓语动词的定义：

非谓语动词首先是               其次                

2， 非谓语动词的功能：

☆非谓语动词没有          的变化，但有         和             的变化。

非谓语做主语To do & doing

To do 和doing形式都可以用作______，有时可用__________ 代替，此时主语置于________ 。

同义句改写

1，  To play with fire will be dangerous.

2，Pretending to know what you do not know is no good.

背诵下列句型

it 作为形式主语时，常见句型。（to do）

It + be + n. + to do sth   

It + be +adj. + ( for sb) to do sth     ( adj 修饰物，客观）

It + be +adj. + ( of sb) to do sth       ( adj 修饰人，主观）

It takes (sb) time/money to do sth

It makes sb +adj. + to do sth  

1，你为我们做了这么多美味的菜真的是太好了。

　It is nice ____ you _______ so many tasty dishes for us.

2，对于我们来说，学会如何做饭还是很有用的。

　It is useful _____us                                   

3，今天花了我两个小时来清理房间。

4，站在这里发表演讲是我极大的荣幸。

it 作为形式主语时，常见句型。（doing）

It is worthwhile doing...    做......是值得的

It is ________/_________ doing...   做......无用的

It is __________ doing ...      做......是没有好处的

It is __________________ ...   做......是浪费时间的

1，You can’t imagine what situation I am faced with, so it is no use _________ (tell) me not to worry.

2，(改错)I think it is no use cry about your exam result now.

3，试图改变他的主意是浪费时间。（翻译）

非谓语作宾语To do & doing

1，  在afford, agree, arrange, choose, desire, expect, fail, hope, intend, offer, pretend, promise, refuse, wish等动词后，常接to do宾语。,

2，doing 跟在____，_____和_________之后做宾语，如continue，before，get tired of等（6句口诀）

To do& doing作宾语的区别

在remember, forget, regret, try, mean等动词后，既可以接动词不定式作宾语，也可以接动词-ing形式作宾语，doing形式表示动作已经发生; to do表示动作还没发生（背诵下列短语）

记得去做某事                           

记得做过某事                   

忘记去做某事                   

忘记做过某事                   

对即将做的事表示遗憾            

对做过的事表示后悔             

设法做某事                          

试着做某事                        

打算(想要)做某事                  

意味着(要)做某事                  

停下正在做的事去做另一事           

停止做某事                      

精炼提升

1，Would you mind _________ (turn) down your radio a little, please?

2，Yesterday, I had difficulty/trouble in __________ (hunt) for some important information on the Internet.

3，He stopped___________( smoke) , have a rest, and eat dessert.

4，Bill suggested ________ a meeting on what to do for th Shanghai Expo during the vacation.

  A. having held    B. to hold     C. holding   D. hold

非谓语作表语

一是：     be

两似乎：seem, appear

三保持：keep, stay, remain

四变得：become, get, turn, go

五感觉：look, smell, taste, sound, feel

六证明：prove （后接表语的口诀）

☆动词不定式作表语，有的情况下to可以省略，即前有do后无to。

doing & done做表语的区别和不同

The book was so _________ (interest)that he almost forgot the time.

He is very __________ (concern)with the matter.

☆To do & doing均可作表语，但需要注意主语与表语的一致性。

眼见为实。（翻译）

                           =                          

1，However, cooking seems              (be)challenging for me.

2，His ambition is _____________ (become) a successful scientist when he graduates.

3，What we can do is ____________ (ensure) that all people have access to a complete diet, not just those in the wealthy parts of the world but everywhere in the world.