hear的用法 有hear sth done这个用法吗?另外我想知道at heart是什么意思?

怎样区别hear sb.do sth与hear sb.to do sth的用法? hear的用法 有hear sth done这个用法吗?另外我想知道at heart是什么意思? 在hear的常见短语中,是hear to do sth 还是hear doing sth 还是hear do sth. 有没有 hear sb to do sth hear sb do sth 和 hear sb do sth 有什么区别?哪个是全过程的?是hear sb doing sth 和 hear sb do sth 有什么区别？ 关于hear的用法1.hear作为行为动词听见时,hear sb.do sth.与hear sb.doing sth.有什么区别,分别怎么用?2.hear作为行为动词听说时,怎么用?例如：（A）I heard she __________on a trip yesterday morning.A.went B.go C.going hear用法I hear him teaches in a middle school.为什么不能用teach?不是hear sb do sth吗 hear from 是收到的意思?有没有hear sth from sb表示从某人那听说的用法? hear sb do sth 和 hear sb doing sth 有什么区别? hear sb doing sth 与hear sb to do sth有什么区别 see,hear,notice之类的单词的用法什么时候加sb.do sth.什么时候加sb.doing sth. Hear sb to do sth 和 hear sb doing sth hear to do sth 还是hear doing sth hear doing sth,hear to do sth,hear do sth.哪个对?区别是什么? hear sb. do sth 和 sb.be heard to do sth是固定用法吗? hear sb dong sth/do sth hear sb do sth和doing sth有什么区别有to do sth吗 I was sorry to hear that old man A.had nowhere to liveB.have nowhere to live这里hear sb do sth的用法起作用吗