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
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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