引导时间状语的介词in on at during till与until的用法.doc

1、用in的时间短语有:
①表示一天中的某段时间:in the morning;in the afternoon;in the evening
②表示周、月份、年份:in a week;in January;in Feb;in 1992
③表示季节:in summer;in spring;in autumn;in winter
in+表示时间长度的短语可以表示“在某段时间之内”,这时可以与现在时、过去时或将来时连用,一般与完成某动作有关;还可译为“……时间之后”,一般与将来时连用。根据时态判别in 表示的含义
in twenty minutes' time      20分钟之后
We will finish class in half an hour.
2、用on的时间短语有:
①表示星期:on Monday;on Friday
②表示日期:on June 1st;on 23rd March(在书写日期时没有冠词,但在口语中则分别读为:on June the first;on the 23rd of March)
③表示星期+日期:on Monday, June 1st
④表示具体时间:on Wednesday evening;on fine afternoon;on that day
3、用at的时间短语有:
①表示确切的时间:at five to twelve;at ten o'clock
②表示用餐时间:at lunch/dinner time;at teatime
③表示其他时刻:at night;at noon;at midnight;at that time
4、during在……期间,后必须跟一个名词,可以指整个一段时间,有时可以用in替代
He has phoned four times during the last half hour.
I met him sometime during the week.(不能用in代替)   我是在这一周的某天遇到他的。
during the holiday     强调假期的从头到尾
He enjoyed himself during his holiday.
in the holiday   强调这段时间其中某一点时间, 并不表示自始至终
I was caught in an accident in the holiday.
5、from…till…     指一段明确的时间:
The tourist season r