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10.is spoken
一、什么是时态？
英语中不同时间和方式发生的动作或状态要用谓语动词的不同形式来表示，这种表示动作或状态发生时间和方式的动词形式称作动词时态。
1. I often go to work by bus.
2.She is making a cake under the tree.
3.They were reading from 7 to 9 last night.
4. The boy will give a book to you soon.
二、什么是语态?
语态:是描述句子中动作与主语之间关系的一个术语。当主语是动作的发起者(或之一)时，称为主动语态；如果主语为动作之承受者，称为被动语态。
1.The glass was broken by that girl last week.
2. That new car is being cleaning by Jack now.
3.Ten eggs has been eaten by that girl since 8:00 this morning.
4.A new road will be built by them next year.
三、时态的分类
1. 一般现在时: (do; does)
2. 现在进行时: (be doing)
3. 一般过去时: (did)
4. 一般将来时: (will do),(be going to do),(shall do)
5. 过去进行时: (was/were doing);
6. 一般过去将来时:(would do; should do);
7. 现在完成时: (have done);
8. 过去完成时: (had done)
四、语态:从主动到被动
1. 一般现在时: (do; does) →be done
2. 现在进行时: (be doing) →be being done
3. 一般过去时: (did) →was/were done
4. 一般将来时: (will do)→will be done
5.过去进行时: (was/were doing) →was/were being done
6. 一般过去将来时:(would do) →would be done
7. 现在完成时: (have done) →has/have been done