1.hear作为行为动词听见时,hear sb do sth表示“听到某人做了某事”或“经常听到某人做某事”,hear sb doing sth.表示“听到某人正在做某事”
2.hear about 听说,hear about + sth 听到关於某事物的消息
I've just heard about his promotion.我刚刚听到了他被提升的事.
3.hear of + sb./sth 听到或知道某人[某事物]的情况
I have never heard of him since he left.自从他离开后,我再没听到过他的消息.
I have heard of the song.我曾听说过这首歌.（注意：这里提及的不是听到这首歌,而是听说过这首歌)
4.hear from + sb=receive a letter from 接到某人的来信、 电话等
Do you hear from you daughter this week?今周你有收到你女儿的信吗?
5.hear 宾语从句:听说或得知（某事物）
I heard (that) Tom would leave here.我听说Tom会离开这里.
注意:上句是宾语从句,当that在宾语从句中作连词引导从句时,that可省略.
hear vt.听到,听；听说；审理
hear sb可以听见某人说话
可以说I can hear you
