look 既可以作系动词也可以作实义动词
作系动词时表示看起来,显得 没有被动,比如 you look fine ,he looks tired
作实义动词时,比如look after ,look down upon 是可以用被动的。
比如He is no longer looked down upon.他不再被看不起了。
The children are well looked after in the kindergarten 孩子们在幼儿园被照顾得很好。
look做系动词讲是没有被动语态的,这个be looked down 是look做实义动词讲,是有被动语态的
被看不起。有被动语态