Present simple现在时
| I | buy |
|---|---|
| you | buy |
| he/she/it | buys |
| we | buy |
| you | buy |
| they | buy |
buy的动词变位
- 词义 买
- 级别 A1
- 变位类型 不规则
这个动词的特别之处
- 要记住的三个基本形式：buy – bought – bought。 → 不规则动词
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 | bought |
|---|---|
| you | bought |
| he/she/it | bought |
| we | bought |
| you | bought |
| they | bought |
Present perfect完成时
| I | have bought |
|---|---|
| you | have bought |
| he/she/it | has bought |
| we | have bought |
| you | have bought |
| they | have bought |
Past perfect过去完成时
| I | had bought |
|---|---|
| you | had bought |
| he/she/it | had bought |
| we | had bought |
| you | had bought |
| they | had bought |
Future (will)将来时
| I | will buy |
|---|---|
| you | will buy |
| he/she/it | will buy |
| we | will buy |
| you | will buy |
| they | will buy |
详见： will
Future perfect将来完成时
| I | will have bought |
|---|---|
| you | will have bought |
| he/she/it | will have bought |
| we | will have bought |
| you | will have bought |
| they | will have bought |
条件式
Conditional (would)条件式
| I | would buy |
|---|---|
| you | would buy |
| he/she/it | would buy |
| we | would buy |
| you | would buy |
| they | would buy |
Conditional perfect过去条件式
| I | would have bought |
|---|---|
| you | would have bought |
| he/she/it | would have bought |
| we | would have bought |
| you | would have bought |
| they | would have bought |
进行时
Present progressive现在进行时
| I | am buying |
|---|---|
| you | are buying |
| he/she/it | is buying |
| we | are buying |
| you | are buying |
| they | are buying |
Past progressive过去进行时
| I | was buying |
|---|---|
| you | were buying |
| he/she/it | was buying |
| we | were buying |
| you | were buying |
| they | were buying |
Present perfect progressive现在完成进行时
| I | have been buying |
|---|---|
| you | have been buying |
| he/she/it | has been buying |
| we | have been buying |
| you | have been buying |
| they | have been buying |
Past perfect progressive过去完成进行时
| I | had been buying |
|---|---|
| you | had been buying |
| he/she/it | had been buying |
| we | had been buying |
| you | had been buying |
| they | had been buying |
Future progressive将来进行时
| I | will be buying |
|---|---|
| you | will be buying |
| he/she/it | will be buying |
| we | will be buying |
| you | will be buying |
| they | will be buying |
命令式
Imperative肯定命令式
| you | buy |
|---|---|
| we | let's buy |
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。
I bought some apples.我买了些苹果。
bought — Past simple · I; Past simple · you
Buy some fresh vegetables.买些新鲜蔬菜。
Buy — Present simple · I; Present simple · you
I bought it second-hand.我买的是二手的。
bought — Past simple · I; Past simple · you
She bought a blue dress.她买了一条蓝色连衣裙。
bought — Past simple · I; Past simple · you
I want to buy a new phone.我想买一部新手机。
buy — Present simple · I; Present simple · you
They bought new furniture.他们买了新家具。
bought — Past simple · I; Past simple · you
常见陷阱
错误 I went to the shop for buying milk.
正确 I went to the shop to buy milk.
中文的“为了”很容易让人想到 for：“为了买牛奶”写成 for buying milk 或 for buy milk，两种都错。正确的是直接用 to buy milk，正式一点可以说 in order to。for 加 -ing 也存在，但它说明的是一样东西的用途，而不是一个人的目的：This tool is for cutting metal.（这个工具是用来切割金属的。）
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。