请给我说一下英语各时态的句型

请给我说一下英语各时态的句型
请给我说一下英语各时态的句型

请给我说一下英语各时态的句型
1. 一般现在时: Knowledge comes from practice.
2. 一般过去时: I never thought you were going to bring me a gift.
3. 一般将来时: He will be 15 years old next month.
4. 过去将来时: They told us that they would go to the Summer Palace for a visit.
5. 现在进行时: They're planting trees by the lake.
6. 过去进行时: I was watching TV this time yesterday.
7. 将来进行时: I will be visiting a school in Shanghai between
Aug. 7 and 27.
8. 过去将来进行时: They told us that they would be having a meeting at 8:00 that evening.
9. 现在完成时: I've opened the door.
10. 过去完成时: The pen I thought I had lost is on my desk, right under my nose.
11. 将来完成时: By the end of this century, our country will have become a more powerful one.
12. 现在完成进行时: I've been teaching nearly 30 years.
13. 过去完成进行时: The corporal collected the boy’s cap, shoes, knife, and the branch he had been cutting.

我就用最简单的句子吧
i am a student 一般现在时
i was a student 过去时
i have been a stuent 一般完成时
i had been a student 过去完成时
i am going to be a student 将来时
不懂再问我~

一般现在时:主语＋be+--
主语＋do/does sth---
现在进行时：主语＋be+doing sth ---
现在完成时：主语＋have/has +过去分词＋－－－
一般过去时：主语＋be+--
主语＋did sth+---
过去进行时：主语＋be...

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一般现在时:主语＋be+--
主语＋do/does sth---
现在进行时：主语＋be+doing sth ---
现在完成时：主语＋have/has +过去分词＋－－－
一般过去时：主语＋be+--
主语＋did sth+---
过去进行时：主语＋be+doing sth + ---
过去完成时：主语＋had +done sth ---
一般将来时：主语＋be going to do sth ---
主语＋will/shall do sth ---
主语＋be going to do sth ---
主语+would/should do sth ---
被动语态：主语＋be done ---
主语＋be done ---
主语＋be being done ---
主语＋have/has/had been done ---
说明：do泛指动词原形，does泛指动词单三现，did泛指过去式,doing泛指现在分词，done泛指过去分词．
现分别举例如下：
I am a student.He is in the room.They are not here.She was a girl.I work hard.She works hard.I am studying math.They were studying math.They are going to study math.We have studied math .You had studied math.He will study math.She would study math .Math is studied by us.Math was being studied by us.Math has been studied by us .

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