4. the day after tomorrow
3. after a while过了一会儿
2. after breakfast
1. after 8 o’clock
2. after 2 o’clock
the meeting
lunch
1990 after后通常跟表示一点的时间(或特定的时间),表示在某个时间之后
National Day
由before和after构成的时间介词短语都不能用于现在完成时。after的习惯用法:after work / after school / after class
巩固练习
1. before 2 o’clock
1990 before后通常跟表示一点的时间(或特定的时间),表示在某个时间之前
3.典型例题:
1. Four days later he came back from Beijing.
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4. Three days later he finished the work.
three days ago表示从今天算起三天前;three days before表示从过去某个时间开始算起的三天前;in three days表示从今天算起的三天以后Three days later表示从过去某个时间开始的三天后;。ago,用于一般过去式;before,用于过去完成时;in用于将来时。
3. He will finish the work in three days.