allow to do和allow doing 的用法有什么区别
问题描述：
allow to do和allow doing 的用法有什么区别
答
allow sb to do sth(允许某人将来去做某事)the doctor allow him to smoke.
allow (sb) doing sth(现在)
is now allow smoking in the meeting room?
答
allow接sb时用allow sb to do,直接接动作时用allow doing.在时间上无明显差别.