1)be back/in/out 回来/在家/外出

His parents demanded that he (should) be back by ten.

他的父母要求他十点以前回家。

2)be at home/work 在家/上班

He will be at home on Friday.

星期五他将在家。

3)be good at 善于，擅长于

He is good at singing. 他擅长于唱歌。

4)be careful of 当心，注意，仔细

Be careful of the dog; it sometimes bites people.

留心那条狗，有时候咬人。

5)be covered with 被……复盖

The ground was covered with lots of snow. 地上覆盖了很多的雪。

6)be ready for 为……作好准备

7)be surprised (at) 对……感到惊讶

I should not be surprised if it snowed tonight.

如果今晚下雪我不会感到意外。

8)be interested in 对……感兴趣

I am interested in drawing.

我对绘画感兴趣。

9)be born 出生

He was born on a cold night. 他出生在一个寒冷的夜晚。

10)be on 在进行，在上演，（灯）亮着

My plan will be on the carpet at today's meeting.

今天的会议将审议我的计划。

11)be able to do sth. 能够做……

He is able to speak several language.

他能说几种语言。

12)be afraid of (to do sth. that…) 害怕……(不敢做……，恐怕……)

Don't be afraid of asking questions.

不要怕提问题。

13)be angry with sb. 生(某人)的气

He was angry with himself for having made such a foolish mistake.

他为犯如此愚蠢的错误而对自己气恼不已。

14)be pleased (with) 对…感到高兴(满意)

He was pleased with the result. 他对结果很满意。

15)be famous for 以……而著名

Spain used to be famous for its strong armada.

西班牙曾以其强大的舰队而著称。