【Language Focus】
A Heavy Snowstorm
I'm Ted. Last night, a heavy snowstorm hit our city. We 1. (have) dinner at home when it started. At that time, the wind 2. (blow) hard outside, and big snowflakes(雪花) 3. (fall) from the sky quickly. My little sister 4. (watch) a cartoon on TV, but she soon felt scared because the window was making a loud noise.
My dad looked out of the window and found the street was already white. My mum 5. (call) my grandparents to tell them about the snowstorm while she 6. (make) some hot tea. My brother and I 7. (prepare) some candles in case(以防万一) the electricity went off. We 8. (talk) about what to do if the snow kept falling when the lights suddenly went out.
While we 9. (light) the candles, the neighbour next door was knocking at our door. He said his family needed some help, and my dad went to help him at once. All night, we 10. (stay) together at home, waiting for it to stop.
任务一:请在横线处写出动词的过去进行时形式。
任务二:列出短文中所有过去进行时的动词,完成下列表格。

我发现:
3. 过去进行时的结构:was/were+动词的 。
4. 可以连接短暂动作和持续动作。
5. 强调两个持续动作同时发生。

任务一:
1. were having
2. was blowing
3. were falling
4. was watching
5. was calling
6. was making
7. were preparing
8. were talking
9. were lighting
10. were staying
任务二:
1. was blowing; was watching; was making; was calling; was knocking
2. were having; were falling; were preparing; were talking; were lighting; were staying
3. 现在分词
4. when
5. while