英语各种时态时间状态标志的小结

在英语学习或者考试中时态的题是屡出不穷，冉维时间决定时态，动词表示时态,根据句子中的时间状语(或某些可表示时间的特征词、上下文等)可确定一个句子的时态，然后用动词的不同形式表示出来。
下面新阳光教育总结
(1)如果句中有always，usually，often，sometimes，every day，on Sundays，once a month等类似的时间状语，句子多用一般现在时。如：
She usually helps her mother do some housework．
她常常帮助妈妈干些家务活。
He writes to his father once a month．
他每月给爸爸写一封信。
(2)如果句中有yesterday(morning)，last week，in 2003，three months ago，the day before yesterday等类似的时间状语，句子多用一般过去时。如：
Class Four went to the park last Sunday．
四班的学生上星期天去公园了。
There was a big sports meeting in 2006 in our school.
2006年，我校举行了一次大型运动会。
(3)如果句中有tomorrow(afternoon),next year,in a few days,in a few years等时间状语,句子用一般将来时.如:
We are going to have a party in our class tomorrow evening.
明天晚上我们班准备举行晚会。
They will go to the Great Wall sometime next month．
他们将要在下个月的某个时候去长城。
(4)如果句中有时间状语now，句首有“Look!”、“Listen!”、“Be quiet!”、“Hurry!”等警示语，句子多用现在进行时。如：
Be quiet! The baby is sleeping．安静!婴儿正在睡觉。
Look! The students of Class One are playing football on the playground．瞧!一班的学生正在操场上踢足球。
(5)如果句中有“at that time，this time yesterday，at eight last night，the whole afternoon”等时间状语，句子多用过去进行时。如：
Li Ling was doing her homework at nine yesterday evening．
昨晚9点李玲在做作业。
It was raining the whole afternoon雨下了整整一个下午。
(6)如果句中有already，yet，just，ever，never等时间副词，in the past(1ast)five years，for+时间段或since+时间点或从句，句子多用现在完成时。如：
1 have never been to Hangzhou．我从未去过杭州。
There have been great changes in our country in the past few years．在过去几年里，我国发生了巨大的变化。
(7)如果句中有“when／after／before+从句，by／by the end of+(过去的)时间”，多用过去完成时。如：
When the police came,the thief had already been caught.
当警察来到时，小偷已被抓住。
By the end of last month，we had learnt two thousand English words．到上个月底为止，我们已经学了2000个英语单词
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