while:持续性动词/进行时 1.一般或现在情况 e.g. I like listening to music while I am doing my homework 2将来情况一∨一般现在时或现在进行时 e.g.-I'm going to the post office While you are there, can you get some stamps for me? 3过去情况 e.g. I hurt my should while was doing gym
while:持续性动词 ／进行时 1.一般或现在情况 2.将来情况－V一般现在时或现在进行时 3.过去情况 e.g. I like listening to music while I am doing my homework . e.g.— I’m going to the post office. -- While you are there, can you get some stamps for me? e.g. I hurt my should while I was doing gym
When: 1当的时候 When I was young, I went to town myself When he receives the letter he'l tell us
When: 1.当…的时候 When I was young, I went to town myself. When he receives the letter, he’ll tell us
beoe引导的时间状语从句 1.常译为“在…之前”, 2表示主句的动作发生在从句的动作之前。 1 We clean the classroom before we leave school every day 2. It will not be long before you regret for what you've done afte引导的时间状语从句 1常译为“在…之后”, 2表示主句的动作发生在从句的动作之后。 1. After you use plastic bags, you mustn' t throw them about Hih 了塑料袋之后,不准到处乱扔
before引导的时间状语从句 1. 常译为“在……之前”， 2.表示主句的动作发生在从句的动作之前。 1.We clean the classroom before we leave school every day. 2.It will not be long before you regret for what you’ve done. after引导的时间状语从句 1.常译为“在……之后”， 2.表示主句的动作发生在从句的动作之后。 1.After you use plastic bags, you mustn’t throw them about.用过 了塑料袋之后，不准到处乱扔
The Amrican War lasted four years b the north won in the end A. After B. before C when D. then
The Amrican War lasted four years _____ the North won in the end. A. After B. before C. when D. then B
sInce引导的时间状语从句 1常译为“自从……y, 2主句常用现在完成时,从句常用一般过去时 1我们自从分手以后一直没见过面。 We havent seen each other since we parted 常用句型: It has been(i)+时间段+ sInce从句 “自从….多长时间了” 2自从她大学毕业已经有六年时间了 It has been(s) six years since she graduated from the university
since引导的时间状语从句 1.常译为“自从……”， 2.主句常用现在完成时，从句常用一般过去时。 1.我们自从分手以后一直没见过面。 We haven’t seen each other since we parted. 常用句型：It has been (is) + 时间段 + since从句 “自从……有多长时间了 ” 2.自从她大学毕业已经有六年时间了。 It has been (is) six years since she graduated from the university