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初中英语：八大时态讲解
LT
造句练****地球绕太阳转动。
1. 表示现在瞬间的动作：
Here comes the bus!
2. 表示将来
1) 表按规定、计划、安排将要发生的动作（仅限于某些表示“来、去、动、停、开始、结束、继续”等的趋向动词），可以与表示未来的时间状语搭配使用。常见的用法是：飞机、火车、轮船、汽车等定期定点运行的交通状况。如：
The next train leaves at 3 o’clock this afternoon.
How often does the shuttle bus run?
2) 在时间和条件状语从句中常使用一般现在时表示将来发生的事情：
When Bill comes (不用will come), ask him to wait for me.
I shall go there tomorrow unless I’m too busy.
【练****题】
① Nowadays, a large number of women, especially those who from the countryside, ___ in the clothing industry.
A. is working
B. works
C. work
D. worked
② –What would you do if it ___ tomorrow?
--We have to carry it on, since we’ve got everything already.
A. rain
B. rains
C. will rain
D. is raining
一、 一般过去时
标志：动词过去式
情况
变形方法
例词
一般情况
+ed
work—worked
不发音e结尾
+d
live—lived
辅音字母+y结尾
变y为i+ed
carry—carried
study—studied
supply—supplied
重读闭音节结尾且结尾只有一个辅音字母
双写最后的辅音字母+ed
plan—planned
stop—stopped
prefer—preferred
regret—regretted
特殊情况
不规则
flee—fled
fly—flew
run—ran
break—broke
*闭音节：元音字母a, e, i, o, u如果发字母本来的音则称为开音节，否则称为闭音节。
1. 表示过去某时所发生的动作或存在的状态，常与表示过去的时间状语连用（. yesterday, this morning, just now, a moment ago, in May, last night / year / week, once upon a time, the other day, before …, when …, in the past等）。如：
Jim rang you just now.
Liu Ying was in America last year.
2. 表示过去经常或反复发生的动作，特别是used to do表达的句型，本身表示的就是过去常常。如：
When I was a kid, I often played football in the street.
She used to visit her mother once a week.
*注意区分sb. used to do sth.（某人过去常常做某事，此处to是动词不定式标志符号）和sb. be used to sth./doing sth.（某人****惯于某物/做某事，此处to是介词）。
3. 代替一般现在时，表示一种婉转、客气、礼貌、商量的语气。此用法仅适用于少数动词（如want, hope, wonder, think, intend等）及情态动词could, would。如：
I wondered if you could have a word with me.
I hoped you could help me with my English.
Would you mind my sitting here?
4. 虚拟语气中用一般过去时表示现在或将来时间的动作或状态。常用句型有：
It is time that sb. did sth