中考英语语法专题讲解——介词课件（22张PPT）

at seven o’clock, at noon, at night on

表示具体某一天或者某一天的上午、下午或者晚上

on Children’s Day, on a warm spring afternoonon June 1st in

表示一段时间，用于年、月、世纪、四季或泛指的上午、下午或者晚上；还可以表示“从现在起多久以后”

in the twenty-first century, in autumnin the morningin two days after

表示以现在或者过去为起点的一段时间之后

They finished the work after two years.I’ll ring you up after two o’clock. before

在……之前

Please bring your homework before ten o’clock. until

用在肯定句中，表示“直到……”；用于否定句中，表示“直到……才……”

I didn't go to bed until 10 o’clock. I waited for my mother until 10 o’clock. during

表示“在……期间”

He lives with us during these years. by

表示“到……以前为止”与完成时连用

by

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