be heard doing /do 有具体时间用doing?
收藏:
0
点赞数:
0
评论数:
0
1个回答

你好.一般说来,这由你的原始句决定:

I heard him sing a new song (强调全过程)

-------He was heard to sing a new song

I heard him singing happily when I saw him (强调正在唱)

------When seen, he was heard singing happily.

ok了吗?

点赞数:
0
评论数:
0
关注公众号
一起学习,一起涨知识