参照上表，由第1列至第4列（竖着看）对应的16种时态分别是：
1. 一般现在时，例句： We have six classes every day. 我们每天上六节课。
2. 现在进行时，例句：I am playing computer games now.我正在打电脑游戏。
3. 现在完成时，例句：She has been to New York twice. 她已经去过纽约两次。
4. 现在完成进行时，例句：He has been teaching math for 10 years.他已经教数学10年了。
5. 一般过去时，例句：I bought 2 comic books yesterday.昨天我买了2本漫画书。
6. 过去进行时，例句：We were playing basketball at 6 p.m. yesterday. 昨天下午6点我们正在打篮球。
7. 过去完成时，例句：The train had already left by the time I got to the station.在我到达车站前，火车就已经离开了。
8. 过去完成进行时，例句：At last he got the offer from the university he had been expecting.他终于收到了期盼已久的大学录取通知书。
9. 一般将来时，例句：I will go to Kunming tomorrow.我明天将会去昆明。
10. 将来进行时，例句：I will be doing my homework this time tomorrow.
明天的这个时候我正在做作业。
11. 将来完成时，例句：By this time next year, I will have graduated from the university. 到明年这个时候，我已经从大学毕业了。
12. 将来完成进行时，例句：By the time the sun rises, I shall have been sleeping for nine hours.太阳升起来之前，我已经睡了9个小时了。
13. 过去将来时，例句：I knew that she would be late.我知道她会迟到。
14. 过去将来进行时，例句：They said they would be coming.他们说了他们将要来。
15. 过去将来完成时（较少使用），例句：He said he would have paid me back the money by the end of the weekend. 他说将在周末前还我钱。
16. 过去将来完成进行时（很少使用）【表示动作从过去某一时间开始一直延续到过去将来某一时间。】，例句：He said that by the end of the spring term he would have been studying English for three years. 他说到了春季学期末，他就学了三年英语了。
1、一般现在时
主要用来表示人、事物的现在状况和特点；表示经常或习惯性的动作，句子中常有often, always, from time to time 等时间状语； 表示客观规律和永恒真理等。
He usually goes to work at 7 o’clock every morning.
2、现在进行时
表说话时或目前一段时间内正在进行的活动：或表感情色彩，加强语气。与频率副词，如always，constantly，continually，again等连用表示说话人的某种感情色彩（赞叹、厌烦、埋怨等）。
We are having English class.
3、现在完成时
表示动作发生在过去，完成在过去，但强调与现在情况仍有联系，其结果或影响仍存在。现在完成时有一些标志性的时间状语：
They have lived in Beijing for five years.
4．一般过去时
表在过去某个特定时间发生且完成的动作，或过去习惯性动作，不强调对现在的影响，只说明过去。常跟明确的过去时间连用，如：yesterday; last week; in 1945, at that time; once; during the war; before; a few days ago; when,
He used to smoke a lot.
5. 过去进行时
表示过去某个时间点或某段时间内正在发生的动作。
The boy was doing his homework when his father came back from work.
6. 过去完成时
表示过去某个时间之前已经完成的动作，即过去完成时的动作发生在“过去的过去”，句中有明显的参照动作或时间状语，这种时态从来不孤立使用 ( before, after, by, up till )
There had been 25 parks in our city up till 2000.
7. 一般将来时
表在将来某个时间会发生的动作或情况。常和tomorrow, next year, in 2008等表示将来的时间状语连用，其表现形式多达5种。
Beijing will host the 29th Olympic Games in 2008.
8、将来进行时
表将来某个时间正在发生的动作，或按计划一定会发生的事情。
I’ll be doing my homework this time tomorrow.
9、将来完成时
表在将来某时刻之前业已完成的事情，时间状语非常明显。
考点一：常用的时间状语一般用by+将来的时间。如：by the end of this year, by 8 o’clock this evening, by March next year以及由by the time…, before或when等引导的副词从句。
By the end of next month, he will have traveled 1000 miles on foot.
2.一般过去时
3.现在进行时
4.过去进行时
5.一般将来时
6.过去将来时
7.现在完成时
8.过去完成时
9.将来进行时
10.过去将来进行时
11.现在完成进行时
12.过去完成进行时
13.将来完成进行时
14.过去将来完成进行时
15.将来完成时
16.过去将来完成时
英语共有十六种时态，其表现形式如下(以study为例)
一般时
进行时
完成时
完成进行时
现在
study
be
studying
have
studied
have
been
studying
过去
studied
be
studying
had
studied
had
been
studying
将来
will
study
wil
be
studying
will
have
studied
will
have
been
studying
过去将来would
study
would
be
studying
would
have
studied
would
have
been
studying
只给五分就只好写这么多了，要详细得加分