allow的用法allow to do sth 和allow doing sth 有什么区别?谢谢了

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allow的用法allow  to do sth 和allow doing sth 有什么区别?谢谢了

allow的用法allow to do sth 和allow doing sth 有什么区别?谢谢了
allow的用法
allow to do sth 和allow doing sth 有什么区别?谢谢了

allow的用法allow to do sth 和allow doing sth 有什么区别?谢谢了
这个问题可以从语态上来区别:to do只能当allow用在被动语态的时候才能用,也就是只能是这种形式:
sb be allowed to do sth
He was allowed to drink some wine.
而allow doing 这种用法allow只能用在主动语态中,即:
sb allow doing sth
They allow our taking photo here.
从意义上来分别:
to do 结构中do的发出者是句子的主语(he);
doing结构中do的发出者不是句子的主语,而是另有他人(we).

allow sb. to do sth.
allow doing sth.
sb. be allowed to do sth.
基本用法就这些。

allow sb. to do sth.
allow doing sth.
即后面跟某人时,用不定式作宾补,否则就用动名词作宾语。

先说一下allow的意思:作为及物动词时 vt. 1. 允许,准许Swimming is not allowed at this beach. 这片海滩禁止游泳。 She allowed us to smoke. 她允许我们抽烟。
2. 准...进;准...出He doesn't allow cats in the room. 他不允许猫进入房内。
3. 给予,提供;容许

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先说一下allow的意思:作为及物动词时 vt. 1. 允许,准许Swimming is not allowed at this beach. 这片海滩禁止游泳。 She allowed us to smoke. 她允许我们抽烟。
2. 准...进;准...出He doesn't allow cats in the room. 他不允许猫进入房内。
3. 给予,提供;容许
Their teacher allowed them three days for the assignment. 他们的老师给他们三天时间完成作业。
4. 使成为可能The windfall allowed me to buy a house. 这意外之财使我得以购置一幢房子。
5. 认可The judge allowed the claim. 法官同意了这一请求。
6. 【书】承认[+that]He allowed that they were right. 他承认他们是对的。
作为不及物动词时 vi. 1. 容许[(+of)]The situation allows of no delay. 情况不容许有任何延误。
2. 考虑[(+for)]In working with this cloth, be sure to allow for shrinking. 用这种布缝衣,务必考虑到洗后会缩水。

关于allow的短语:
1.allow sb to do sth允许某人做某事
2.allow sb not to do sth不允许某人做某事
3.allow sb from sth./doing sth. 某事物向某人开放、允许某人做什么事
4.allow doing sth 允许某人做某事
5.allow for 考虑,顾及
6.allow of 容许

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这个问题可以从语态上来区别:to do只能当allow用在被动语态的时候才能用,也就是只能是这种形式:
sb be allowed to do sth
He was allowed to drink some wine.
而allow doing 这种用法allow只能用在主动语态中,即:
sb allow doing sth
They allow o...

全部展开

这个问题可以从语态上来区别:to do只能当allow用在被动语态的时候才能用,也就是只能是这种形式:
sb be allowed to do sth
He was allowed to drink some wine.
而allow doing 这种用法allow只能用在主动语态中,即:
sb allow doing sth
They allow our taking photo here.
从意义上来分别:
to do 结构中do的发出者是句子的主语(he);
doing结构中do的发出者不是句子的主语,而是另有他人(we)。

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