looks和look有什么区别,分别用在什么地方?

题目

looks和look有什么区别,分别用在什么地方?
最好详细一点
ms不光只是第3人称单数的问题....
看我查的：
looks:[ luks ]
n.外貌(恒用复数)
例句与用法:
1.She's infatuated by his good looks.
她迷恋上他那俊俏的外貌了.
2.He looks ten years younger.
他看起来年轻了10岁。
3.She is in her thirty but looks old for her age.
她现在30几岁，但是看起来比她实际年龄要老。
4.I don't think he looks his age of seventy.
我感到他看起来不像70岁的人。
5.It looks very nice.
看起来很漂亮。
6.It looks as if it is going to rain.
看来要下雨了。
7.Although my uncle is old,he looks very strong and healthy.
我的叔叔虽然老了，但他看上去还是很健壮。
8.He looks nervous.
他看上去很紧张。

答案

looks 用于第三人称或单数,此外它可以做名词,词义是 相貌 外观,比如：
She's infatuated by his good looks.
她迷恋上他那俊俏的外貌了.
look 用于第一人称或第二人称,或复数,作名词时可以译为：看,神情,样子,不过不常用