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2015山西省成考英语语法学习技巧(三)
2014-12-17 20:50:51   来源:   评论:0 点击:
  (一)不定冠词

  不定冠词有两种形式:a和an,非重读时分别读作[a]和1an],如:a dog [a dog],an orange [on1 arind3];重读时分別读作[ei]和[ein],如:a dog [ei dog],an orange [ein'orindj].

  a用于辅音(不一定是辅音字母)开头的名词前,如:a teacher/union/university/house, an用于元音(不一定是元音字母)开头的名词前,如:an apple/hour/egg/orange.

  不定冠词多用于单数可数名词前,其基本意义是不定指,常表示类指意义和量指意义,也可用 于其他情况。

  1.表示某类人或事物当中的一个,如:

  Her brother is a college student.

  There is a picture between the windows.

  2. 表示数量,相当于one,如:

  We had an English lesson yesterday morning.

  A year is divided into twelve months.

  3. 表示某个,相当于a certain或some,如:

  A Mr. Qiao came to see you just now.

  A Mr. Washington called and left a message for you.

  4. 指事物的单位,相当于every,any,如:

  She kept on writing to her parents once a month.

  A week has seven days.

  5. 第一次提到某事,第二次以后再次提到时则用定冠同the,如:

  He looked up and saw a kite. The kite flew over the river.

  I bought a pen that day. The pen writes smoothly.

  6. 与抽象名词或物质名词连用,表示一次、一种、一场等,如:

  It’s a pity you didn’t come that day.

  A heavy rain stopped us from going outside.

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