小学教育网 发表于 2018-7-14 12:51:14

小学英语基础知识点归纳——第二部分:语法知识2

  第二部分:语法知识
       
          二.冠词:不定冠词,定冠词种类:
       
          (1)不定冠词:a / an a unit / an uncle
       
          元音开头的可数名词前用an :
       
          an egg / an apple / an orange / an eraser / an answer / an ID card / an alarm clock / an actor / an actress / an e-mail / an address / an event / an example / an opera / an houran old man / an interesting book / an exciting sport / an action movie / an art lesson /
       
          (2)定冠词:the the egg the plane
       
          2. 用法:
       
          定冠词的用法:
       
          (1)特指某(些)人或某(些)物: The ruler is on the desk.
       
          (2)复述上文提到的人或物:He has a sweater. The sweater is new.
       
          (3)谈话双方都知道的人或物:The boys aren’t at school.
       
          (4)在序数词前: John’s birthday is February the second.
       
          (5)用于固定词组中: in the morning / afternoon / evening
       
          不用冠词的情况:
       
          (1)专有名词前:China is a big country.
       
          (2)名词前有定语:this , that , my , your , some, any , no 等:
       
          This is my baseball.
       
          (3)复数名词表示一类人和事:Monkeys can’t swim. They are teachers.
       
          (4)在节日,日期,月份,季节前:Today is Christmas Day. It’s Sunday.
       
          (5)一日三餐前:We have breakfast at 6:30.
       
          (6)球类 棋类运动前:They often play football after class. He plays chess at home.
       
          * 但乐器前要用定冠词:I play the guitar very well.
       
          (7)学科名称前:My favorite subject is music.
       
          (8)在称呼或头衔的名词前:This is Mr Li.
       
          (9)固定词组中:at noon at night by bus
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