21 be afraid to do( of sth恐惧，害怕…… eg: I'm afraed to go out at night I'm afraid of dog
22 be allowed to do被允许做什么
eg: I'm allowed to watch TV我被允许看电视 I should be allowed to watch TV我应该被允许看电视
23 be angry with sb生某人的气 eg: Don't be angry with me
24 be angry with (at) sb for doing sth为什么而生某人的气
25 be as…原级… as和什么一样 eg: She is as tall as me她和我一样高
26 be ashamed to
27 be away from远离
28 be away from从……离开
29 be bad for对什么有害 eg: Reading books in the sun is bad for your eyes在太阳下看书对你的眼睛不好
30 be born出生于
31 be busy doing sth忙于做什么事 be busy with sth忙于……
32 be careful当心;小心
33 be different from……和什么不一样
34 be famous for以……著名
35 be friendly to sb对某人友好
36 be from= come from来自 eg： He is from Bejing He comes from Bejing Is he from Bejing? Does he come from Bejing?
37 be full of装满……的 be filled with充满 eg: the glass is full of water the glass is filled with water
38 be glad+ to+ do/从句
39 be going to+ v(原)将来时
40 be good at(+ doing)= do well in在某方面善长,善于……
