hear to do和hear doRT.有什么区别的这两个?

hear to do和hear doRT.有什么区别的这两个? hear to do hear doing hear to do和hear sb.doing这些短语对吗 Hear sb to do sth 和 hear sb doing sth hear to do sth 还是hear doing sth hear sb doing ,hear sb do ,hear sb to do（有这样的吗?）区分 hear doing sth,hear to do sth,hear do sth.哪个对?区别是什么? 在hear的常见短语中,是hear to do sth 还是hear doing sth 还是hear do sth. hear sb do 和hear sb doing 差别 hear that 和hear sb do/doing 有什么区别? listen(to) 和 hear区别 How often do you _________your brother?　　A.hear about B.hear of C.hear to D.hear from 有没有 hear sb to do sth i do want to hear clearly hear sb do和hear sb doing的区别Do you often hear John____in his room?-yes.Listen!Now wo can hear him____in his room.A sing;to sing B singing;singing C sing;singing D to sing;singing Hear hear sb do sth和doing sth有什么区别有to do sth吗 hear sb. do sth 和 sb.be heard to do sth是固定用法吗?