2022中考英语介词知识点：时间介词
表示时间的介词：
(1)in , on，at 在……时第二处女 电视剧
in表较长时间，世纪朝代时代、年、季节、月及一般(非特指)的早、中、晚
如：in the 20th century, in the 1950s, in 1989, in summer, in January,
in the morning, in the night, in one”s life , in one”s thirties on表示详细某一天及某一天的早、中、晚。
解落三秋叶如：on May 1st, on Monday, on New Year”s Day, on a cold night .
in January, on a fine morning, on Sunday afternoon.
at表示某一时刻或较短暂的时间，或泛指圣诞节，复活节等。
如: at 3:20, at this time of year, at the beginning of, at the end of …,
at the age of …, at Christmas， at night, at noon, at this moment
催熟香蕉
在last, next, this, that, some, every 等词之前一律不用介词如：We meet every day.
(2)in, after 在……之后
牛的成语大全“in +段时间“表示将来的一段时间以后;
“after+段时间“表示过去的一段时间以后;
“after+将来点时间“表示将来的某一时刻以后。
例句：My mother will come back in three or four days. He arrived after five months.
文科生就业She will appear after five o”clock this afternoon. (3)from, since 自从……
from仅说明什么时候开头，不说明某动作或状况持续多久; since表示某动作或状况持续至说话时刻，通常与完成时连用。例句：He studied the piano from the age of three.
They have lived here since 1978.冰箱1-7档哪个最冷
(4)after, behind 在……之后
after主要用于表示时间;
behind主要用于表示位置。
例句：We shall leave after lunch.
Lucy is hiding behind an old house.
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