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……