7. I have been invited to a party (hold) in our club next Sunday.

6. As a result of the earthquake,a lot of buildings in the area need (repair) .

5. The text (teach) now is much more difficult than the one we learned last week.

4. (laugh at) in pub (ic is a terrible experience.

3. Several of our customers complain of (treat) very rudely.

2. I saw Tom (question) by the police just now.

[即學(xué)即練]用括號內(nèi)動詞(短語) 的正確形式填空。

1.  (protect) by a thick wall,they felt quite safe.

[自我歸納]

★動詞-ing形式的被動式的構(gòu)成形式：

① 一般式:being done,表示一個正在進行或與謂語所表示的動作同時發(fā)生的被動動作(句1-句4) ;

② 完成式: ，表示的被動動作發(fā)生在謂語所表示的動作之前(句5) 。

3. 我察覺到他在看我。

2. 他已經(jīng)意識到了這個問題。