第一类:be(“是/存在”)动词的各种时态结构：
一 般 现 在 时
I am….
You are.…
He/She/It is….
We/You/They are….
一 般 将 来 时
(1)(I等各人称) will be….
(2)I am going to be…
He/She/It is going to be…
We/You/They are going to be…
现 在 完 成 时
I have been….
You have been….
She/he/It has been….
We/You/They have been….
一 般 过 去 时
I was….
You were.…
He/She/It was….
We/You/They were….
过 去 将 来 时
(1)(I等各人称) would be….
(2)I was going to be…
He/She/It was going to be…
We/You/They were going to be…
过 去 完 成 时
I had been….
You had been….
She/he/It had been….
We/You/They had been….
第二类:行为动词的各种时态结构:
一 般 现 在 时
动词用原形(单三人称动词加s / es)
(问句和否定句借用助词do / does)
一 般 过 去 时
动词用过去式
(问句和否定句借用助词did)
现 在 进 行 时
am +动词-ing
is +动词-ing
are +动词-ing
过 去 进 行 时
was +动词-ing
were +动词-ing
一 般 将 来 时
(1)will + 动词原形
(2)am +going to+动词原形
Is +going to+动词原形
are +going to+动词原形
过 去 将 来 时
(1)would + 动词原形
(2)was +going to+动词原形
were +going to+动词原形
现 在 完 成 时
have +过去分词
has +过去分词
过 去 完 成 时
had +过去分词