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……

41 be good for  对什么有好处  eg : Reading aloud is good for your English  

42 be happy to do             很高兴做某事

43 be helpful to sb  对某人有好处  

    eg : Reading aloud is helpful to you  大声朗读对你有好处    

           Exercising is helpful to your bady  锻炼对你的身体有好处

44 be in good health      身体健康

45 be in trouble   处于困难中  eg : She is in trouble      They are in tronble   

46 be interested in   对某方面感兴趣

47 be late for = come late to 迟到   eg: Be late for class   上课迟到