since,for,during,in,at,on在时间上的用法区别
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since,for,during,in,at,on在时间上的用法区别
加时间段还是时间点,常用时态,表达含义,像什么on+具体时间,in+不确定的,at night\noon 就不要了
还有before,after后加时间的用法
不要简单地复制粘贴,先分分类
谢谢啦
加时间段还是时间点,常用时态,表达含义,像什么on+具体时间,in+不确定的,at night\noon 就不要了
还有before,after后加时间的用法
不要简单地复制粘贴,先分分类
谢谢啦
![since,for,during,in,at,on在时间上的用法区别](/uploads/image/z/1191321-9-1.jpg?t=since%2Cfor%2Cduring%2Cin%2Cat%2Con%E5%9C%A8%E6%97%B6%E9%97%B4%E4%B8%8A%E7%9A%84%E7%94%A8%E6%B3%95%E5%8C%BA%E5%88%AB)
1、since作介词时,后接表示过去时间点的名词、代词、动名词;作连词时,后接一般过去时的从句;在含有since的句子,谓语动词用现在完成时.例:Since last seeing you ,I have been ill.
I have been studying English since I was four years old.对since的句子提问用how long.
2、for后跟时间段.例:He has been surfing the Internet for about 3 hours.
3、during后跟时间段.例:During the summer holidays we went swimming every day.
4、in后面跟时间段,并且是表示年,月.例:I won't do back to my home in a year.
5、at后跟时间点,比如六点钟:at six o'clock.
6、on是指具体到某一天,例:on August 19th在8月19日.
I have been studying English since I was four years old.对since的句子提问用how long.
2、for后跟时间段.例:He has been surfing the Internet for about 3 hours.
3、during后跟时间段.例:During the summer holidays we went swimming every day.
4、in后面跟时间段,并且是表示年,月.例:I won't do back to my home in a year.
5、at后跟时间点,比如六点钟:at six o'clock.
6、on是指具体到某一天,例:on August 19th在8月19日.