Lesson 69-72 | 核心句型:汽车比赛、我们赢了!| 语法点:过去进行时、when/while引导的时间状语从句、过去时间介词
过去进行时表示过去某个特定时间正在进行的动作,或过去某一阶段内持续进行的动作。
| 句式 | 结构 | 例句 |
|---|---|---|
| 肯定句 | 主语 + was/were + v-ing + 其他 | At 8 o'clock last night, I was watching TV. 昨晚8点我正在看电视。 |
| 否定句 | 主语 + was/were not + v-ing + 其他 | I wasn't watching TV at 8 o'clock last night. 昨晚8点我没在看电视。 |
| 一般疑问句 | Was/Were + 主语 + v-ing + 其他? | Were you watching TV at 8 o'clock last night? 昨晚8点你在看电视吗? |
| 回答 | Yes, 主语 + was/were. / No, 主语 + wasn't/weren't. | Yes, I was. / No, I wasn't. |
时间标志词:at that time, at 8 o'clock yesterday, this time last week, when引导的时间状语从句
when和while都可以表示"当……的时候",但用法有所不同:
| 连词 | 用法 | 例句 |
|---|---|---|
| when | 引导的从句动作可以是延续性的,也可以是短暂性的 | When I arrived, she was cooking. 当我到达时,她正在做饭。(arrive是短暂动作) |
| 可以表示"正在这时,突然" | I was reading when the phone rang. 我正在看书,突然电话响了。 | |
| while | 引导的从句动作必须是延续性的,强调主从句动作同时发生 | While I was reading, my mother was cooking. 当我看书的时候,妈妈在做饭。(两个动作同时进行) |
时态搭配规律:
| 区别点 | 一般过去时 | 过去进行时 |
|---|---|---|
| 动作特点 | 表示过去发生的动作已经完成,强调动作的结果 | 表示过去某一时间动作正在进行,强调动作的过程 |
| 例句 | I wrote a letter last night. 我昨晚写了一封信。(已经写完) | I was writing a letter at 8 o'clock last night. 昨晚8点我正在写信。(不一定写完) |
| 时间状语 | yesterday, last week, ... ago, in 1990等 | at that time, at 8 o'clock yesterday, this time last week等 |
| 介词 | 用法 | 例句 |
|---|---|---|
| in | 用于年份、月份、季节、泛指的上午/下午/晚上 | in 1995, in July, in summer, in the morning |
| on | 用于具体的某一天、星期几、具体某一天的上午/下午/晚上 | on Monday, on July 1st, on Sunday morning |
| at | 用于具体的时刻、钟点 | at 8 o'clock, at noon, at night |
| last | 表示上一个,前面不加任何介词 | last week, last year, last night |
| yesterday | 表示昨天,前面不加任何介词 | yesterday morning, yesterday afternoon |
| the day before yesterday | 表示前天,前面不加任何介词 | I met her the day before yesterday. 我前天遇见她了。 |
| ago | 表示"……以前",放在时间段后面 | three days ago 三天前, two years ago 两年前 |
方式副词用来修饰动词,表示动作发生的方式,通常由"形容词 + ly"构成。
1. What ______ you ______ (do) at 8 o'clock yesterday evening?
2. When I came in, she ______ (read) a book.
3. While my father ______ (watch) TV, my mother ______ (cook) dinner.
4. He ______ (not do) his homework at that time. He ______ (play) computer games.
5. - ______ they ______ (have) a meeting at 3 o'clock yesterday afternoon? - Yes, they ______.
1. were, doing 2. was reading 3. was watching, was cooking 4. wasn't doing, was playing 5. Were, having, were
1. ______ I got to the station, the train had already left.
2. ______ we were talking, the teacher came in.
3. He was reading a newspaper ______ his wife was cooking.
4. I was doing my homework ______ the telephone rang.
5. ______ she was driving, she saw an accident.
1. When 2. While/When 3. while 4. when 5. While/When
1. We had a party ______ last week.
2. She was born ______ 1990.
3. They arrived ______ 9 o'clock ______ the morning.
4. I met him ______ yesterday afternoon.
5. We will go to Beijing ______ July 1st.
1. / 2. in 3. at, in 4. / 5. on
1. 昨天下午3点你在做什么?我在打篮球。
2. 当我到家的时候,妈妈正在做饭。
3. 昨天晚上我正在看电视的时候,突然停电了。
4. 他开车太粗心了,所以出了事故。
1. What were you doing at 3 o'clock yesterday afternoon? I was playing basketball.
2. When I got home, my mother was cooking.
3. I was watching TV last night when the power went out suddenly.
4. He drove too carelessly, so he had an accident.