英语各个时态的结构

1. 一般现在时 (Simple Present):

结构：主语 + 动词原形（第三人称单数加-s）+ 其他

用法：表示经常性、习惯性的动作或状态，客观事实，普遍真理等。

肯定句: I/You/We/They play tennis. / He/She/It plays tennis.

否定句: I/You/We/They do not (don't) play tennis. / He/She/It does not (doesn't) play tennis.

疑问句: Do I/you/we/they play tennis? / Does he/she/it play tennis?

2. 一般过去时 (Simple Past): 结构：主语 + 动词过去式 + 其他

用法：表示过去某个具体时间发生的动作或状态。

肯定句: I/He/She/It played tennis. / You/We/They played tennis. 否定句: I/He/She/It did not (didn't) play tennis. / You/We/They did not (didn't) play tennis.

疑问句: Did I/he/she/it play tennis? / Did you/we/they play tennis?

3. 一般将来时 (Simple Future): 结构：主语 + will + 动词原形 + 其他 用法：表示将来发生的动作或状态。

肯定句: I/You/He/She/It/We/They will play tennis.

否定句: I/You/He/She/It/We/They will not (won't) play tennis. 疑问句: Will I/you/he/she/it/we/they play tennis?

4. 现在进行时 (Present Continuous): 结构：主语 + am/is/are + 现在分词 + 其他 用法：表示现在正在进行的动作。

肯定句: I am playing tennis. / He/She/It is playing tennis. / You/We/They are playing tennis.

否定句: I am not (I'm not) playing tennis. / He/She/It is not (isn't) playing tennis. / You/We/They are not (aren't) playing tennis.

疑问句: Am I playing tennis? / Is he/she/it playing tennis? / Are you/we/they playing tennis?

5. 过去进行时 (Past Continuous):

结构：主语 + was/were + 现在分词 + 其他 用法：表示过去某个时间正在进行的动作。

肯定句: I/He/She/It was playing tennis. / You/We/They were playing tennis.

否定句: I/He/She/It was not (wasn't) playing tennis. / You/We/They were not (weren't) playing tennis.

疑问句: Was I/he/she/it playing tennis? / Were you/we/they playing tennis?

6. 现在完成时 (Present Perfect):

结构：主语 + have/has + 过去分词 + 其他

用法：表示过去发生的动作对现在造成的影响或仍与现在有关的动作。

肯定句: I/You/We/They have played tennis. / He/She/It has played tennis.

否定句: I/You/We/They have not (haven't) played tennis. / He/She/It has not (hasn't) played tennis.

疑问句: Have I/you/we/they played tennis? / Has he/she/it played tennis?

7. 过去完成时 (Past Perfect):

结构：主语 + had + 过去分词 + 其他

用法：表示过去某个时间或动作之前已经发生的动作。

肯定句: I/You/He/She/It/We/They had played tennis.

否定句: I/You/He/She/It/We/They had not (hadn't) played tennis. 疑问句: Had I/you/he/she/it/we/they played tennis?

8. 将来进行时 (Future Continuous): 结构：主语 + will be + 现在分词 + 其他 用法：表示将来某个时间正在进行的动作。

肯定句: I/He/She/It will be playing tennis. / You/We/They will be playing tennis.

否定句: I/He/She/It will not (won't) be playing tennis. / You/We/They will not (won't) be playing tennis.

疑问句: Will I/he/she/it be playing tennis? / Will you/we/they be playing tennis?

9. 将来完成时 (Future Perfect):

结构：主语 + will have + 过去分词 + 其他

用法：表示将来某个时间或动作之前已经完成的动作。

肯定句: I/You/He/She/It/We/They will have played tennis.

否定句: I/You/He/She/It/We/They will not (won't) have played tennis.

疑问句: Will I/you/he/she/it/we/they have played tennis?

以上是英语各个时态的结构和用法简介。熟练掌握时态对于正确地表达动作和事件的时间关系非常重要。