语法 剩余核心内容 ~20 分钟

说出当时正在发生什么

完成本课后你将能够

能说出过去某个时刻正在发生什么,以及是什么打断了这个过程。

开始课程 核心 18–20 分钟 · 步骤:6 · 可选:+2

标注的核心时长。核心模块中有两项未标注时长,因此实际课时比总和更长。

语法

4 分钟

was / were + 带 -ing 的动词(过去进行时)——过去某个时刻正在进行的动作。

At seven o'clock I was working. 七点的时候我正在工作。
They were walking in the park. 他们正在公园里散步。
Were you sleeping? 你那时在睡觉吗?
I wasn't listening. 我当时没在听。

里面都是学过的东西:A1 第27课的 was/were 和 A1 第25课的 -ing 形式。

两种过去时态成对使用,这是本课的重点:

长动作——背景(Past Continuous,过去进行时) 短动作——事件(Past Simple,一般过去时)
I was walking in the park when it started to rain.
She was cooking dinner when I came home.
  • when 放在短动作前面:when it started;
  • while 放在长动作前面:while I was walking(这里也可以用 when)。

两个分句都可以前后调换;从句放在前面时要加逗号: When I came home, she was cooking dinner.

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中文母语者的常见错误

已针对你的语言编写
1

两种时态只用一种。

✗ When I came home, she cooked dinner——意思是她在你回来之后 才开始做饭。汉语的“在”“正在”常常可加可不加,动词本身也不变,所以很容易只用刚学会的过去式。要说“我回家时她正在做饭”,英语必须用进行时:she was cooking。

2

丢掉 was / were。

✗ I reading a book when the phone rang

✓ I was reading a book when the phone rang

。和 A1 第25课一样,-ing 被当成了“在”, be 就丢了。过去进行时也是两个词,第一个是 was 或 were。

3

短动作前用 while。

✗ While I came home

✓ When I came home

。 when 和 while 都能译成“……的时候”,可是 while 只能放在长动作前面。

发音

3 分钟

-ing 前面的 was 和 were 要弱读: /wəz/ 和 /wə/。重音落在实义动词上: I was working。

否定时正相反,它们要重读:I wasn't working。I was working 和 I wasn't working 听起来的区别,主要在重音和长度上,而不只在 n't。

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课文

3 分钟

Yesterday evening I was reading a book when the phone rang. It was my sister. She was waiting for a taxi and it was raining. While she was talking, I was cooking dinner. At nine o'clock we were eating and watching an old film.

朗读

练习

8–10 分钟

1. 填空。

  1. I (read) a book when the phone (ring)
  2. While she (talk), I (cook) dinner
  3. At seven o'clock we (eat) dinner
显示答案
was reading / rang; was talking / was cooking; were eating.

2. 填空。

  1. I was walking in the park, it started to rain
  2. She was cooking I came home
显示答案
While / When; when.

3. 改错。

  1. When I came home, she cooked dinner.(她那时已经在做饭了)
  2. While I came home, the phone rang.
  3. I reading a book when the phone rang.
显示答案
When I came home, she was cooking dinner. / She was cooking dinner when I came home; When I came home, the phone rang. / While I was coming home, the phone rang; I was reading a book when the phone rang.

4. 配对。

  1. 长动作(背景)
  2. 短动作(事件)
显示答案
长动作(背景) — 过去进行时; 短动作(事件) — 一般过去时.
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小结

本课已学:过去进行时的全部形式,“背景和事件”的搭配,when 和 while 的区别。下一课——第3课:已经做完的事。

核心内容结束

完成练习后即视为课程结束。此后的内容均为可选。

第 39 课

可选

词卡词汇

12 词
  • ring /rɪŋ/ (铃、电话)响;打电话
  • rang /ræŋ/ 响了,打了电话(ring 的过去式)
  • wait for /ˈweɪt fɔː/ 等(某人或某物)
  • while /waɪl/ 在……的时候,当……时
  • happen /ˈhæpən/ 发生
  • suddenly /ˈsʌdnli/ 突然
  • noise /nɔɪz/ 噪音,响声
  • fall /fɔːl/ 落下,摔倒
  • fell /fel/ 落下了,摔倒了(fall 的过去式)
  • break /breɪk/ 打破,弄坏
  • broke /brəʊk/ 打破了,弄坏了(break 的过去式)
  • lose /luːz/ 丢失,失去

写作

写四个句子,讲讲昨天晚上:背景中正在进行什么,又是什么打断了它。

范例: Yesterday evening I was reading a book when the phone rang. It was my sister. While she was talking, I was cooking dinner. At nine we were watching a film.

检查清单:背景用的是 was/were + -ing 吗?事件用的是一般过去时吗? when 放在短动作前,while 放在长动作前了吗?

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