小升初英语语法:必须掌握的四大时态用法详解
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。 -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: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 -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,双写末尾的辅音字母.如:swim-swimming -3-
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 -4-
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.