小学英语已经涉及到了一些简单的语法知识，为了帮助同学们理解、记忆时态的有关知识，小编为大家整理了相关的英语知识。

　　一、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+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

　　二、 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

　　三、 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 ahorse? 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.

　　四、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后一个字母加ed 如：stop-stopped

　　4. 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