heard sb. ( ) sth. 括号中加"do"还是"doing"

heard sb do\u548cheard sb doing\u5230\u5e95\u6709\u4ec0\u4e48\u672c\u8d28\u533a\u522b\u554a\uff08\u9664\u4e86\u8fdb\u884c\u65f6\u90a3\u4e2a\u56e0\u7d20\u5916\uff09�1�3

\u90fd\u6ca1\u6709\uff0cdoing\u662f\u542c\u5230\u6b63\u505a\u67d0\u4e8b\uff0cdo\u662f\u542c\u5230\u505a\u67d0\u4e8b\uff0c\u5f3a\u8c03\u8fc7\u7a0b\uff0c\u671b\u91c7\u7eb3

I heard a little boy (reading) English this morning.
如果是经常性的听见，一般用hear sb.do sth
如果强调在某一时间听见某人正在做什么事的话，一般用doing

我认为应该是doing hear的用法是 :
1.hear somebody doing something 听到某人正在做某事
2.hear somebody do something 指听到某人做某事 可指经常听到
例如
-Where is Tom ? Have you seen him ?
-No,but I hear him (singing) a few minutes ago.解析: 是只他刚才听到Tom正在唱歌,故用hear sb doing sth .
I hear a little boy ()English this morning 解析:我认为本题特意强调了this morning,那么可理解为不是经常性的习惯动作而是听到这个小男孩这个早晨的时候正在做某事.故应添doing的形式

ing 形式.

doing

doing

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