1． 一般现在时。主要描述经常会发生的动作、状态或不变的真理。句末常出现every day/week/year/Monday , in the morning, 句中常有always, usually, often, sometimes
组成：主语 be 名词（形容词）
I am a student. He is tall.
否定句：在be 后加not
I am not a student. He is not tall.
疑问句：be 动词提前到第一位。
Are you a student? Is he tall?
Yes, I am. / No, I am not.Yes, he is. / No, he isn’t.
主语 动词 地点 时间
We go to school on Monday.
He goes to the park on Sunday.
否定句：主语 don’t/doesn’t’t 动词原形 地点 时间
We don’t go to school on Monday.
He doesn’t’t go to the park on Sunday.
疑问句：在句首加do或does
Do you go to school on Monday? Yes, we do./ No, we don’t.
Does he go to the park on Sunday? Yes, he does./ No, he doesn’t’t.
动词单三变化：1. 在原单词末尾加s , 如：like – likes
2. 单词以o, sh, ch, s, x 结尾加es, 如：go – goes
3. 单词末尾为辅音 y结尾去y加ies 如：study- studies
2. 现在进行时：主要叙述正在发生的事情。句末常出现now, 句首常出现look, listen
组成：主语 be 动词ing形式
I am reading English.
They are swimming.
He is playing football.
否定句：在be后加not
I am not reading English.
They are not swimming.
He is not playing football.
疑问句：将be 放到第一位。
Are you reading English? Yes, I am./ No, I am not.
Are they swimming? Yes, they are. / No, they aren’t.
Is he playing football? Yes, he is. / No, he isn’t.
动词变ing形式：1.在动词末尾加ing. 如：play- playing
2. 末尾有e 要去e加ing. 如：ride – riding
3. 末尾以辅音元音辅音结尾 双写末尾一个辅音如：swim-swimming
3. 一般将来时。 主要描述将来要发生的事情。
句末常出现next Monday/week/ year, tomorrow
组成：主语 be going to 动词原形
I am going to visit Ann.
They are going to draw a dog.
She is going to ride a horse.
否定句：在be后加not
I am not going to visit Ann.
They are not going to draw a dog.
She is going to ride a horse.
疑问句：将be提前
Are you going to visit Ann? Yes, I am. / No, I am not.
Are they going to draw a dog? Yes, they are./ No, they aren’t.
Is she going to ride a horse? Yes, she is. / No, she isn’t.
组成：主语 will 动词原形
I will go to the library.
They will clean the house.
She will eat breakfast at home.
否定句：在will 后加not 或将will not 写为won’t
I will not go to the library.
They will not clean the house.
She will mot eat breakfast at home.
疑问句：将will 提前
Will you go to the library? Yes, I will./ No, I won’t.
Will they clean the house? Yes, they will. / No, they won’t.
Will she eat breakfast at home? Yes, she will. /No, she won’t.
4．一般过去时：主要描述过去发生的事情. 句末常出现last night/week/Monday/year, yesterday, ago
组成：主语 动词过去式
I was a pilot.
They were busy.
He went to the market. 否定句：在be后加not
在普通动词前加didn’t 动词恢复原形。
I was not a pilot.
They were not busy.
He didn’t go to the market.
疑问句：提前be 动词或在句前加did
Were you a pilot? Yes, I was./ No, I wasn’t.
Were they busy? Yes, they were./ No, they weren’t.
Did they go to the market? Yes, they did. / No, they didn’t.
动词变过去式：1. 在原次末尾加ed 或d 如：play-played like-liked
2. 辅音加y 结尾去y加ied 如：study-studied
3. 辅音元音辅音结尾双写最后一个字母加ed 如：stop-stopped
特殊变化：can-could do-did eat-ate go-went hit-hit pit-put sit-sat come-came get-got have-had see-saw begin-began give-gave win-won read-read am/is-was are-were run-ran hear-heard hide-hid lay-laid cut-cut wake-woke fall-fell
总结评价：连系动词be是am, is, are三者的原形，一般不直接出现在句子中，而是以am, is, are的形式出现。它们各有分工，而且随着主语的人称和数的变化而变化。am最专一，始终跟着I转；are 跟you, we及表复数名词或复数意义的词连用；is的交际最广泛，is与“他、她、它”形影不离，至于名词单数，指示代词（this/that）都与is结下不解之缘。
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