allow的用法：
用作動詞(v.)
用作及物動詞：
S+～+n./pron.
Why do you allow yourself?你為什么放縱自己呢?
I don't think he would allow it.
我想他不會允許的。
I long to visit you, but my health won't allow it.
我很想去看看你,但我的身體已經不允許了。
We allowed no discount.
我們不打折扣。
S+～+v-ing
Our teacher does not allow cheating to go unpunished.
我們的老師不允許作弊行為不受到懲罰。
Do they allow smoking in the cinemas?他們允許在電影院里抽煙嗎?
The policeman wouldn't allow parking in this street.
警察不允許在這條街上停車。
S+～+that-clause
We must allow that he is a very clever politician.
我們必須承認他是一個很精明的政客。
I allowed that I was a bit hasty.
我承認我這樣做輕率了一點。
He allowed that it had been a mistake.
他承認那是一場誤會。
I must allow that he is a promising young man.
我必須承認他是個很有前途的青年。
Itis/was～ed+that-clause
It is allowed that pronunciation is one of the principal things in English.
大家都認為發音是英語的一個重要方面。