1. blow,吹 blow the balloon,吹气球 chase,追逐 chase after sister,追姐姐 knock敲, knock at the door敲门, laugh笑, laugh at the friend,嘲笑朋友 throw,仍 throw a ball to the friend,扔向朋友一个球, when什么时候, while与....同时, heavily沉重地, look out当心, bug昆虫,
doorbell门铃, start开始, town城镇, way方式, chat聊天, have a chat聊天, wait for等待.
2.
What was/were …….. doing while ………..?
....在.... 的时候....在做什么？
………. was/were …………..
.......在........
What were you doing while Ellen was eating?
当艾伦在吃的时候你在做什么？
I was cooking the meal.
我在做饭。
What was Anna doing while you were studying?
当你在学习的时候安娜在做什么?
She was dusting the furniture.
她正在掸家具上的灰尘。
What was/were …….. doing when ………..?
当....的时候.....在做什么？
………. was/were …………..
.....在......
What were you doing when car crash happened?
当车祸发生的时候你在做什么？
I was taking a nap.
我在打盹。
What was mom doing when police arrived?
当警察到的时候妈妈在做什么？
She was doing housework.
她在做家务。
3.
When:
When the alarm clock began to ring, I was sleeping.
当闹钟开始响时，我正在睡觉。
When the car crash happened, my dad was watching TV.
车祸发生的时候，我爸爸正在看电视。
When I met my brother, I hugged him.
当我见到我哥哥时，我拥抱了他。
When it began to snow heavily, I was listening to music in my room.
当开始下大雪的时候，我正在房间里听音乐。
When we looked out of the window, it was raining heavily.
当我们向窗外看的时候，雨下得很大。
While:
While I was blowing the balloon, the doorbell rang.
当我吹气球时，门铃响了。
While we were having dinner, Matt started to talk.
我们吃晚饭的时候，马特开始说话。
While I was chasing after my sister, the cell phone began to ring.
当我正在追我姐姐的时候，手机响了。
While sister was laughing at me, I was having a lesson.
当妹妹嘲笑我的时候，我正在上课。
While I was working in the garden, I saw a big bug.
当我在花园里干活时，我看到了一只大虫子。
4.
Past simple:
I walked home after the party last night.
昨晚聚会后我走回家了。
Kate watched TV a lot last summer vacation.
凯特去年暑假看了很多电视。
Past continuous:
I was walking home when I met him.
我在回家的路上遇到了他。
Kate was watching TV when we arrived.
我们到达时，凯特正在看电视。
Past simple and Past continuous:
I saw(see) Sue in town yesterday, but she didn’t see(not see) me. She was looking(look) the other way.
昨天我在城里看见了苏，但她没看见我。她正朝另一个方向看。
I met(meet) Tom and Jane at the airport a few weeks ago. They were going(go) to Paris and I was going(go) to Rome. We had(have) a chat while we were waiting(wait) for our flight.
几星期前我在机场遇见了汤姆和简。他们要去巴黎，我要去罗马。我们在等飞机的时候进行了一次谈话。
