1、一般现在时（+动词原形 do +第三人称单数 does）
（1）表达事实
The sun rises in the east太阳从东边升起
The earth revolve around the sun地球绕太阳升起
（2）表达习惯/重复动作
I play basketball 我打篮球
（3）表示预计发生的事
The bus leaves at 8PM every day 公交车每晚八点离站
2、现在进行时（be+动词的现在分词 be+doing）
be
（1）系动词
（2）助动词，构成时态
①I am
②You/we/they are
③She/he/it is
3、现在完成时（have 的变位+动词的过去分词 have/has done）
have
（1）实义动词
（2）助动词，构成时态
①I/you/we/they have
②she/he/it has
4、现在完成进行时（have/has+been+动词的现在分词 have+been+doing）
I have been eating carrot
我正在吃胡萝卜
5、一般过去时（+动词过去式did）
The rabbit ate a carrot
兔子吃了胡萝卜
6、过去进行时（be的变位+动词的现在分词 was/were doing）
The rabbit was eating a carrot
兔子过去某个时间点正在吃胡萝卜
7、过去完成时（have的变位+动词的过去分词 had done）
He tried to find me yesterday afternoon，but I had already gone to Shanghai
他昨天下午试图找我，我已经离开去上海去了
8、过去完成进行时（have的变位+been+动词的现在分词 had+been+doing）
The rabbit had been eating a carrot
兔子在过去某个时间点已经吃胡萝卜一段时间了，还要继续吃
9、一般将来时（will+动词原形 will+do）
I will eat carrot
我将要吃胡萝卜
10、将来进行时（will+be+动词的现在分词 will be doing）
I will be eating a carrot for lunch tomorrow from 1PM to 3PM
我明天午饭会吃胡萝卜
11、将来完成时（will+have+动词的过去时态 will have done）
The rabbit will have eaten a carrot
这兔子在将来某个时间点已经吃了个胡萝卜
12、将来完成进行时（will+have+been+动词的现在分词 will have been doing）
I will have been eating carrots for 2 hours by 3PM tomorrow
我确定明天下午三点钟时，我不但已经吃了俩钟头胡萝卜，而且还要继续吃
13、一般过去将来时（would+动词原形；was/were going+动词原形 would do；was/were going to）
I said I would eat a carrot for lunch
我之前说我会午饭吃两根胡萝卜
14、过去将来进行时（would+be+动词的现在分词 would be doing）
I said I would be eating a carrot at 1PM tomorrow/yesterday
我之前说我明天；昨天下午一点会在吃胡萝卜
15、过去将来完成时（would+have+动词的过去时态 would have done）
I said I would have eaten a carrot by 1PM tomorrow/yesterday
我之前说我明天/昨天下午一点已经吃掉了根胡萝卜
16、过去将来完成进行时（would+have+been+动词的现在分词 would have been doing）
I said I would have been eating lunch for 2 hours by 1PM tomorrow/yesterday
我之前说我明天/昨天下午一点前会吃了两个钟头午饭，之后还会继续吃
