找出错误语句！！！并且帮忙改错！急！谢谢！

找出错误语句！！！并且帮忙改错！急！谢谢！

修改的地方用引号了
1)I suddenly realized that he "was" staring at me.时态错误
2)Watch out! The water “is boiling" over! 时态错误
3)The students "were reading" English when the teacher stepped in. 时态错误
4)He "has been" to the Forbidden City 3 times, so he doesn‟t want to go there with me. 时态+动词错误
5)He used to get up early in the morning, but now he gets used to "getting" up late. 时态错误
6)I will let you know if she "doesn't" go there. 时态错误
7)We "have known" each other since we were children. 时态错误
8)The task was much more difficult than we "expected".时态错误
9)I went out to play after I "had" finished my homework. 时态错误
10)I don't know you "had been" waiting for me here for 2 hours. 时态错误
11)He doesn't feel very well this week, as he catches a bad cold. 动词错误
12)We didn't know you "had been" so busy in the past few months. 时态错误
13)I'm sorry that I "have kept" you waiting so long. 时态错误
14)At last I found the key that I "was looking" for. 时态错误
15)Why "didn't you tell" me about it earlier? 时态+动词错误

1) was staring

2)has boiled over

3)are reading English

4)has gone to

5)gets unsed to getting up

6)if she doesn't

7)have known

8）than we had expected

9)I've finished

10)you've been waiting for me

11)he doesn't

12)we don't know

13) kept you waiting

14) I'd been looking for

15)……这句话其实应该说 You should have told me ealier.不过既然题是这麽出的，那就Why you didn't tell me ealier.