英语必须掌握的4大时态讲解
时态是英语中一个重要的语法范畴，英语主要是如下的四大时态：一般现在时、现在进行时、一般过去时、一般将来时。小编在这里帮大家整理总结了小学英语四种时态的用法，希望大家可以熟练掌握。
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1.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?
Yes,I am./No,I am not.
Is he tall?
Yes,he is./No,he isn’t.
组成2.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 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.
动词第三人称单数变化
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
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，双写末尾的辅音字母.如：swim-swimming
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
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1.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2.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.
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