一一般现代时

1、一.一般现代时一.一般现在时.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, sometimes1 .组成:主语+be+名词形容词肯定句：I am a student. He is tall.否认句:在 be 后力口 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,

2、 he is. / No, he i snt.2 .主语+动词+地点+时间肯定句： We go to school on Monday./ He goes to the park on Sunday.否认句：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doesDo you go to school on Monday? Yes, we do./ No, we don t.

3、Does he go to the park on Sunday? Yes, he does./ No, he doesrt' t.3 .动词单三变化： 在原单词末尾加s ,如:like - likes单词以 o, sh, ch, s, x结尾力口 es,如:go goes单词末尾为辅音+y结尾去y力口 ies如:study- studies二.现在进行时现在进行时：主要表达正在发生的事情.句末常出现now,句首常出现look,listen,in this photo组成:主语+be +动ting形式I am reading English. /They are swimming. /

4、He is playing football.否认句:在 be 后力口 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 i s. / No, he is n t.动词变ing形式:1.在动词

5、末尾加ing.如:play- playing/do-doing2 .末 尾有 e 要去 e 力口 ing. 如:ride riding/take-taking/make-making/have-having/dance-dancing/write-writing/come-coming/drive-driving3 .末尾以辅音元音辅音结尾双写末尾一个辅音如:swim-swimming / run-running四.一般过去时一般过去时：主要描述过去发生的事情.句末常出现last night/week/Monday/year,yesterday, ago1 .组成:主语+动词过去式She wa

6、s a baby.It was a book about space travel.He spent about twenty-one hours in space.2 .否认句：在be后加not在普通动词前加didn' t动词恢复原形.She was not a baby.It was not a book about space travel.He didn't spend about twenty-one hours in space.3 .疑问句:提前be动词或在句前加didWas she a baby?Was it a book about space travel?

7、Did he spend about twenty-one hours in space?4 .动词变过去式：在原次末尾加 ed或d如:play-played /like-liked辅音加y结尾去y加ied如:study-studied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/ put-put /sit-sat/come-came/get-got/ have-had /see-saw /begin-began/give-gave /win-wonread-read am/is-was /are-were /run-ran /hear-heard /cut-cut /wake-woke/ fall-fell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