小学英语语法：小学英语必须掌握的四大时态
2019-03-04 09:13
来源：小学英语
作者：
时态是英语中一个重要的语法范畴，小学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。
小英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
