look用作不及物动词时主要用作看、观望的意思，常与介词at连用。也可作面向、朝向的意思，一般是指建筑物的朝向。用作及物动词时主要作“注视”,引申还可作留心、注意、期望的意思，其后可接动词不定式。那么，look的过去式和过去分词是什么呢
过去式和过去分词
过去式：looked
过去分词：looked
第三人称单数：looks
复数：looks
现在分词：looking
常见例句
Since he changed jobs he's looked like a new man.
他跳槽之后像换了一个人似的。
She looked around for a familiar face.
她环顾四周想寻找一个熟人。
Looking after number one is all she thinks about.
她一心只顾着自己。
Are you still looking for a job?
你还在找工作吗？
Where have you been? We've been looking for you.
你上哪儿去了？我们一直在找你。
She could divine what he was thinking just by looking at him.
她一看就知道他在想什么。
She looked at him then turned her attention back to me.
她看了看他，然后又把注意力转回到我的身上。
The picture looks very different when you see it close to.
这幅画贴近看时就很不一样。
She was looked at askance.
人们都侧目瞧着她。
