初中英语语法汇总之分数表达

初中英语语法汇总之分数表达

时间:2018-12-06 英语语法

  分数表达:

  二分之一: half a / an 或a half. 如:

  half an hour = a half hour半小时 It’s half past seven.(省略冠词)

  以下情况中,分子(基数词)若超过一,分母(序数词)需加s:

  三分之一: a / one third 三分之二: two thirds

  四分之一: a / one fourth 或a / one quarter

  四分之三: three fourths或three quarters.

  五分之一: a / one fifth 五分之二: two fifths 其它类推。

  若分数所在of短语作主语,谓语依of后的名词而定:

  A third of the boys have passed the test. A third of the work has been over.

  Two fifths of the students are on time. Two fifths of the 初二 land is polluted.

  (of后是可数名词复数时,谓语用复数;of后是不可数名词时,谓语用单数。)

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