seem用法 seem to be doing

Seem的用法:

Seem在英语中是一个重要而常见的词,它的基本意思是“似乎;好像;仿佛;看来”等,可作不及物动词或连系动词。seem用法较为复杂,现归纳如下:

  一、seem可与形容词、名词、不定式(短语)、分词及介词短语搭配。

  1. seem+ 形容词

  Sheseems quite happy today. 今天她似乎很高兴。

  2. seem+ 名词

  Thatseems a good idea. 那似乎是个好主意。

  Sheseems a clever girl. 她似乎是个聪明的女孩。

  3. seem+ 不定式(短语)

  Heseemed to have known the truth. 他似乎早已知道事情的真相。

seem用法 seem to be doing

  Heseems to be thinking about something. 他似乎正在考虑某事。

  Something seemed to be wrong with the train.火车好像出了故障。

  注意:1)不定式是to be并以名词或形容词作表语时,tobe通常可以省略。这样就变成1,2的用法。

  Heseems (to be) a fool. 他好像是个傻子。

  Sheseems (to be) quite unhappy. 她看起来很不高兴。

  2)seem后跟不定式时,要注意不定式所表示动作发生的时间,以此来确定不定式的时态。如3中的tohave...为不定式的完成时。

  3)seem的否定式可在不定式前直接加not或借助do的相应否定形式来表达(放在seem前)。

  Shedoesn't seem to like the idea. 她似乎不太喜欢这个想法。

  Theyseemed not to know each other. 他们看起来好像互不认识。

  4. seem+ 分词

  Heseemed pleased at what I said. 听了我的话,他似乎很高兴。

  Thenews seems exciting. 消息似乎很激动人心。

  5. seem+ 介词短语

  Itseems like years since I last saw you. 自从上次我见到你似乎过去好多年了。

  Theyseemed in high spirits. 他们似乎情绪高涨。

  二、seem常用于it作形式主语的结构,即It seems / seemed that...,表示“看来……,似乎……”。

  Itseems that nobody knew what had happened. 似乎没人知道发生了什么事。

  Itseems that he was late for the train. 看来他没赶上火车。

  注意:1)在这一句式中,常可省去that。

  2)在seem后间或可跟形容词。

  Itseems impossible that he will be here tomorrow.明天他来这儿似乎是不可能的。

  三、seem常用于由as if / though引导的从句中。

  Itseems as if somebody is calling you. 好像有人在叫你。

  Itseems as though he were very stupid. 看来他似乎很笨。

  注意:在asif / though引起的从句中,如果说的是非真实的情况,从句谓语用虚拟语气,如上句he were verystupid。如果所述的情况实现的可能性较大,则从句的谓语常用陈述语气。

  四、seem常用在“It seems / seemed to sb.(that)...”结构中,这种结构常用来表示“行为”的主体。

  Itseems to me that we have been neglecting our duty.我感觉我们对职责有所疏忽。

  Itseems to me that they are right. 我感觉他们是对的。

  五、用于There seems / seemed + to be + n.(主语)中。

  Thereseemed to be no work for you to do now. 看来现在没有什么工作需要你做了。

  注意:1)在这一结构中,seem表示“似乎有;看来有”。如:

  Thereseems to be a lot of things to do. (=It seems as if there were alot of things to do.) 似乎有很多事情要做。

  2)这一结构的否定形式为“There seems / seemed to be+ no + n.”或“There doesn't / didn't seem to be + n.”。

Theredoesn't seem to have been any difficulty on this question.在这个问题上似乎没出现什么困难。

  

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