Make sentences in the past continuous and the past simple.
1 I / play tennis / when/it/ start/ to rain
2 While / Sally / study / for the Maths exam/l/go
out/to get us a pizza
3 When /l/ see / Jackie and Charlie/they/ run
quickly / down the street
4 The post / come / while/ I /relax / in the garden
5 Hannah /work/ very hard / when the phone/ring​

1. I was playing tennis when it started to rain.
Explanation: The past continuous tense is used to describe an action that was happening at a specific point in the past. In this sentence, the action of playing tennis was already in progress when it started to rain.

2. While Sally was studying for the Maths exam, I went out to get us a pizza.
Explanation: The past continuous tense is used to describe an ongoing action in the past while another action takes place. In this sentence, Sally was studying for the exam while I went out to get a pizza.

3. When I saw Jackie and Charlie, they were running quickly down the street.
Explanation: The past continuous tense is used to describe an ongoing action in the past. In this sentence, the action of seeing Jackie and Charlie was happening when they were running down the street.

4. The post came while I was relaxing in the garden.
Explanation: The past continuous tense is used to describe an ongoing action in the past. In this sentence, the action of the post coming occurred while the speaker was already in the process of relaxing in the garden.

5. Hannah was working very hard when the phone rang.
Explanation: The past continuous tense is used to describe an ongoing action in the past. In this sentence, Hannah was working very hard when the phone rang.