allow to do something 和allow doing something 有什么区别急用!

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allow to do something 和allow doing something 有什么区别急用!
allow to do something 和allow doing something 有什么区别
急用!

allow to do something 和allow doing something 有什么区别急用!
allow sb to do something
allow doing something

allow既可作及物动词又可作不及物动词(多用于及物动词),
1)allow sb. to do sb.允许某人去做某事,
The doctor allowed him to smoke. 医生允许他吸烟.
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 allo...

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allow既可作及物动词又可作不及物动词(多用于及物动词),
1)allow sb. to do sb.允许某人去做某事,
The doctor allowed him to smoke. 医生允许他吸烟.
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. 这间会议室里是不允许吸烟的.
类似的词还有:advise,forbid, permit, encourage等,如:
3) We advised him to have a good rest. 我们劝他好好休息.
4) He advised going to Beijing for the holiday. 他建议到北京去度假.

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意思上没有区别,只是结构不同.allow sb. to do常考察被动语态sb. be allowed to do sth.