Present simple现在时
| I | sign |
|---|---|
| you | sign |
| he/she/it | signs |
| we | sign |
| you | sign |
| they | sign |
sign的动词变位
- 词义 签字，签名
- 级别 A2
- 变位类型 规则 ()
加粗并带下划线的是词尾。◆标出不合规则的形式。
直陈式
Past simple完成的过去
| I | signed |
|---|---|
| you | signed |
| he/she/it | signed |
| we | signed |
| you | signed |
| they | signed |
Present perfect完成时
| I | have signed |
|---|---|
| you | have signed |
| he/she/it | has signed |
| we | have signed |
| you | have signed |
| they | have signed |
Past perfect过去完成时
| I | had signed |
|---|---|
| you | had signed |
| he/she/it | had signed |
| we | had signed |
| you | had signed |
| they | had signed |
Future (will)将来时
| I | will sign |
|---|---|
| you | will sign |
| he/she/it | will sign |
| we | will sign |
| you | will sign |
| they | will sign |
详见： will
Future perfect将来完成时
| I | will have signed |
|---|---|
| you | will have signed |
| he/she/it | will have signed |
| we | will have signed |
| you | will have signed |
| they | will have signed |
条件式
Conditional (would)条件式
| I | would sign |
|---|---|
| you | would sign |
| he/she/it | would sign |
| we | would sign |
| you | would sign |
| they | would sign |
Conditional perfect过去条件式
| I | would have signed |
|---|---|
| you | would have signed |
| he/she/it | would have signed |
| we | would have signed |
| you | would have signed |
| they | would have signed |
进行时
Present progressive现在进行时
| I | am signing |
|---|---|
| you | are signing |
| he/she/it | is signing |
| we | are signing |
| you | are signing |
| they | are signing |
Past progressive过去进行时
| I | was signing |
|---|---|
| you | were signing |
| he/she/it | was signing |
| we | were signing |
| you | were signing |
| they | were signing |
Present perfect progressive现在完成进行时
| I | have been signing |
|---|---|
| you | have been signing |
| he/she/it | has been signing |
| we | have been signing |
| you | have been signing |
| they | have been signing |
Past perfect progressive过去完成进行时
| I | had been signing |
|---|---|
| you | had been signing |
| he/she/it | had been signing |
| we | had been signing |
| you | had been signing |
| they | had been signing |
Future progressive将来进行时
| I | will be signing |
|---|---|
| you | will be signing |
| he/she/it | will be signing |
| we | will be signing |
| you | will be signing |
| they | will be signing |
命令式
Imperative肯定命令式
| you | sign |
|---|---|
| we | let's sign |
详见： 祈使句
非限定形式
课程中的例句
每个句子都来自本课程的词表或语法专题。动词形式已标出，下面写着它是哪个时态、哪个人称。
Twelve people signed the list.有十二个人在名单上签了字。
signed — Past simple · I; Past simple · you
We signed the contract last week.我们上周签了合同。
signed — Past simple · I; Past simple · you
I signed up for an evening course.我报了一个夜校班。
signed — Past simple · I; Past simple · you
Everybody signed the greetings card.每个人都在贺卡上签了名。
signed — Past simple · I; Past simple · you
This form must be signed.这份表格必须签字。
signed — Past simple · I; Past simple · you · 被动语态的构成
快速练习
5个填空，先来自上面的例句，再来自变位表。每个回答都会计入你的复习。
继续学习
同一变位类型的动词
相关语法专题
这些形式按语言规则算出——两遍，用两种互相独立的方法——并且和本课程里所有手写的形式核对过。例句都是本课程自己的句子。