小升初英语必备语法大全:介词
1、介词是一种虚词。不能单独作句子成分,它只有跟它后面的宾语一起构成介词短语,才能在句子中起作用。
有:in, on, under, with, behind, about, near, before, after, for, to, up, down, from, in front of, out of, fromto, at the back of
2、表示时间的'介词有:at, on, in。
(1)at表示在某一个具体的时间点上,或用在固定词组中。如:at ten oclock, at 9:30 a.m., at night, at the weekend
(2)on表示在某日或某日的时间段。如:on Friday, on the first of October, on Monday morning
(3)in表示在某一段时间(月份、季节)里。如:in the afternoon, in September, in summer, in 2005
3、in一词还有其他的固定搭配,如:in blue(穿着蓝色的衣服),in English(用英语表达),take part in(参加)。
练一练:
1、选用括号内恰当的介词填空。
1) Whats this _______ ( at, on, in ) English?
2) Christmas is _______ ( at, on, in ) the 25th of December.
3) The man_______ ( with, on, in ) black is Su Hais father.
4) He doesnt do well _______ ( at, on, in ) PE.
5) Look at those birds _______ ( on, in ) the tree.
6) We are going to meet _______ ( at, on, in ) the bus stop _______ ( at, on, in ) half past ten.
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