1)be back/in/out 回来/在家/外出
2)be at home/work 在家/上班
3)be good at善于,擅长于=do well in
4)be careful of 当心,注意,仔细
5)be covered with 被……覆盖
6)be ready for 为……作好准备
7)be surprised (at) 对…感到惊讶
8)be interested in 对…感兴趣
9)be born 出生
10)be on 在进行,在上演,（灯）亮着
11)be able to do sth.能够做……can do sth.
12)be afraid of害怕…… be afraid to do sth.不敢做…… be afraid that…恐怕……
13)be angry with sb.生(某人)的气
14)be pleased (with) 对感到高兴(满意)
15)be famous(well-known) for 以……而著名
16)be strict in sth./with sb.(对工作、对人)严格要求
17)be from 来自……=come from
18)be hungry/thirsty/tired 饿了/渴了/累了
19)be worried 担忧
20)be (well) worth doing (非常)值得做……
21)be in (great) need of (很)需要
22)be in trouble 处于困境中
23)be glad to do sth.很高兴做……
24)be late for ……迟到
25)be made of (from看不出原材料) 由……制成
26)be satisfied with 对…感到满意
27)be free 空闲的,有空=have time
28)be (ill) in bed 卧病在床
29)be busy doing sth.忙于做……
be busy with sth.(忙于……)