是hear sb to do sth 还是hear sb doing sth

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是hear sb to do sth 还是hear sb doing sth

是hear sb to do sth 还是hear sb doing sth
是hear sb to do sth 还是hear sb doing sth

是hear sb to do sth 还是hear sb doing sth
hear to do 表示动作的全过程;hear doing表示动作正在进行.
如:1、She heard the telephone ringing.她听见电话铃正在响.
2、A pen was heard to drop. 我听见一支笔掉落.

好像都可用吧

to do要做
doing正在做
放在句子里比较一下:
听说某人要做什么
听到某人在做什么

广泛的