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人教版八上Unit1知识梳理/词汇句式精讲

初中英语2019-07-05 10:13

     【拓展】

  decide on…意为“由……决定;决定于……”。后面接名词、代词或动名词作宾语。例如:

  I decided on going to Beijing at last. 

  最后我决定去北京了。

  My mother decided on the red dress. 

  我妈妈决定买下那件红色的裙子。

  6. enough

  (1) enough作形容词,意为“充足的,充分的,足够的”,可作表语或定语,作定语时,可放在名词的前面或后面。例如:

  The food is enough for the trip. 用于这次旅行的食物足够了。

  I have enough time to watch TV. 我有足够的时间看电视。

  (2) enough还可作副词,意为“足够地”,这时enough需放在所修饰的形容词或副词后面。例如:

  The young man is strong enough to carry the heavy bag. 

  那个年轻人足够强壮能搬动重包。

  【拓展】

  (1) enough…to do sth. “有足够的……做某事”。例如:

  I don’t have enough time to eat lunch. 

  我没有足够的时间吃午饭。

  (2) …enough to do…可以同too…to…或so…that…结构互相转换。例如:

  He isn’t old enough to go to school. 

  = He is too young to go to school. 

  = He is so young that he can’t go to school. 

  他太小而不能上学。

  7. seem

  seem是系动词,意为“好像,似乎,看来”,后常接形容词。例如:

  He seems very angry. 他好像非常生气。

  【拓展】

  seem的用法归纳:

  (1) seem + 名词 例如:

  He seems a nice man. 他看起来是个好人。

  (2) seem like…意为“好像,似乎……”。  例如:

  It seemed like not a bad idea at that time. 

  那时这主意好像不错。

  (3) seem to do sth. 意为“似乎、看来、好像做某事”。例如:

  I seem to have left my book at home. 

  我好像把书忘在家里了。

  (4) It seems that…或It seemed that…意为“看起来好像……,似乎……”。例如:

  It seemed that he was very happy. 

  他看上去好像很高兴。

  (5) seem to be + 形容词或名词  例如:

  She seems to be happy. 她看起来很高兴。

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