allow doing allow to do区别

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allowdoingallowtodo区别allowdoingallowtodo区别allowdoingallowtodo区别1)allowsb.todosb.允许某人去做某事,2)allowsbdo

allow doing allow to do区别
allow doing allow to do区别

allow doing allow to do区别
1)allow sb.to do sb.允许某人去做某事,
2)allow sb doing sth.允许某人做某事,可以表示当前可允许做的事或习惯性动作.根据上下文有时sb可以省略.如:
Is not allow (anyone)smoking in this meeting room.