appear, look, seem的区别　　表示似乎好像有三种不同的表达方式，那就是appear, look, seem，下遥体看下这这三种表达方式的区别： 　　1.
从词义上看：look 指视觉印象;appear 指外表给人的印象;这两者可能是遥也可能是假象，appear 的不确定遥更大一些。
seem 侧重指根据某种迹象作出的推断，也不一定是事实。
　　2.
从句型搭配和用法上看： 　　(1) 三者均可后接不定式，但 look 之后一般只限于 to be (且较少见)。
如： 　　正：He seems [appears，looks] to be tired.
他好像很累了。
　　正：He seems [appears] to have travelled a lot.
他似乎去过不少地方。
　　误：He looks to have travelled a lot.
　　(2) look, seem 之后可接介词 like，但 appear 之后一般不能。
如： 　　He looks [seems] like a fool.
他看起来像个大傻瓜。
　　(3) appear 和 seem 不用于进行时态，但 look 有时可这样用。
如： 　　正：He looks [is looking] well.
他看上去气遥不错。
　　误：He is seeming [appearing] well.
　　(4) 三者均可用于 it 开头的句子，且三者之后均可接以 as if 或 as though 引导的从句，另外 appear 和 seem 之后还可接 that 引导的从句。
如： 　　It looks [seems，appears] as if he has lost interest in his job.
看来他对自己的工作已失去了兴趣。
　　It seems [appears] that he is very tired.
他似乎很累了。
　　注：后接 that 从句时，有时可用 so，not 代之。
如： 　　A：Are they reliable?
他们遥吗?
　　B：It seems [appears] so (not).
似乎是遥的(遥靠)。
　　另外，比较以下同义句型：(www.
yygrammar.
com) 　　It seems [appears] that he is ill.
=He seems [appears] to be ill.
他似乎病了。