它是什么?
to be 的过去简单形式是 was 和 were。
将 was 用于:
- I
- he
- she
- it
将 were 用于:
- you
- we
- they
示例:
- I was tired.
- She was at home.
- We were busy.
- They were happy.
否定形式是 was not 和 were not。
常见的缩略形式是:
- was not → wasn’t
- were not → weren’t
何时使用
使用 to be 的过去简单形式来谈论:
- 过去的状态:I was tired.
- 过去的感受:She was nervous.
- 过去的地点:They were at school.
- 过去的年龄:He was ten years old.
- 过去的描述:The room was small.
- 过去的情况:We were very busy.
- 过去的日期和时间:It was Monday.
结构
肯定句
| 主语 | 形式 | 示例 |
|---|---|---|
| I | was | I was at work. |
| He / She / It | was | She was happy. |
| You / We / They | were | They were at home. |
结构:
主语 + was/were + 补语
- He was tired.
- We were late.
否定句
| 主语 | 完整形式 | 缩略形式 |
|---|---|---|
| I / He / She / It | was not | wasn’t |
| You / We / They | were not | weren’t |
结构:
主语 + was not/were not + 补语
- I wasn’t hungry.
- They weren’t ready.
疑问句
结构:
Was/Were + 主语 + 补语?
- Was she at home?
- Were they tired?
- Were you busy?
简短回答
- Was he late? — Yes, he was.
- Was she tired? — No, she wasn’t.
- Were they at school? — Yes, they were.
- Were you busy? — No, I wasn’t.
示例
- I was very tired yesterday.
- She was at the office this morning.
- He wasn’t ready for the meeting.
- It was cold last night.
- We were happy with the result.
- You were very quiet yesterday.
- They weren’t at home.
- Was your brother at school?
- Were the shops open?
- Where were you last weekend?
例外情况
在某些正式或非真实的表达中,当主语是 I、he、she 或 it 时,使用 were 而不是 was。
- If I were you, I would wait.
- I wish she were here.
在非正式英语中,这些表达有时使用 was,但 were 是标准形式。
常见错误
-
错误: I were tired yesterday. 正确: I was tired yesterday. 解释: 与 I 连用 was。
-
错误: They was at home. 正确: They were at home. 解释: 与 they 连用 were。
-
错误: She didn’t be happy. 正确: She wasn’t happy. 解释: 不要将 didn’t 与 to be 的过去简单形式连用。
-
错误: Did he was at work? 正确: Was he at work? 解释: 在带有 was 或 were 的疑问句中,不要使用 did。
-
错误: We wasn’t ready. 正确: We weren’t ready. 解释: 与 we 连用 weren’t。
-
错误: Were she at school? 正确: Was she at school? 解释: 与 she 连用 was。
-
错误: I was not at home? 正确: Was I not at home? 解释: 将 was 放在主语之前构成疑问句。
-
错误: They were not tired? 正确: Weren’t they tired? 解释: 在疑问句中,将 were 或 weren’t 放在主语之前。