3. She seems to be worried now.

_________ _________ that she _________ worried now.

[答案]It seems; is。固定句型 It seems / seemed that sb… 可替换成sb seems / seemed to …，表示“某人看起来……”。

2. She was so weak that she couldn’t take care of her baby.

She was _________ weak _________ take care of her baby.

[答案]too; to。原句意思是：她身体太弱，不能照顾孩子。too…to … 句型表示“太……以致于(不能)……”之意。

1. The foreigners want to know how they can learn Chinese Kongfu well.

The foreigners want to know _________ _________ learn Chinese Kongfu well.

[答案]how to。不定式与特殊疑问词what, when, where, how, which, whether连用构成不定式复合结构，在句中作主语、宾语、表语、宾语补足语等。

6．利用不定式改写

5. I met one of my friends when I was going to the museum.

_________ _________ _________ to the museum I met an old friend of mine.

[答案]On my way。介词短语on one’s way to… 表示“在某人去……的路上”的意思。

4. Tom had no time for breakfast. He went to school in a hurry.

Tom _________ to school _________ breakfast.

[答案]went; without。介词without有“没有，不(带) ”之意。

3. He walks to school every day.

He goes to school _________ _________ every day.

[答案]on foot。固定词组on foot意为“步行”。

2. It’s a long time since we met last.

We haven’t seen each other _________ _________.

[答案]for long。for long意为“很长一段时间”。

1. We have friends in the whole world.

Our friends are _________ _________ the world.

[答案]all over。固定词组all over表示“遍及”之意。

5．利用介词短语改写