不是 就是接原型 接to do一般就是不定式表未发生 所以不是
关于hear的用法 请参考:
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.
希望对你有所帮助!