appear, look, seem的区别三者均可用作连系动词，意为“好像”、“似乎”等，区别如下：1.

从词义上看：look 指视觉印象；appear 指外表给人的印象；这两者可能是真象也可能是假象，appear 的不确定性更大一些。

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.

他看上去气色不错。

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?

他们可靠吗?

B：It seems [appears] so (not).

似乎是可靠的(不可靠)。

另外，比较以下同义句型：It seems [appears] that he is ill.

＝He seems [appears] to be ill.

他似乎病了。





◆本文摘自 中学英语同义词词典　。

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