逍遥学能 2014-04-25 11:11
【—之分数表达】关于分数表达的语法讲解,同学们认真学习下面的内容。
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。)
相信通过上面对分数表达语法的讲解学习,同学们对此语法能很好的运用,希望同学们在考试中取得优异成绩。