1, May was eating sweets when her tooth broke.

2, While I was painting the door, I was getting white paint on my trousers.

3, What were they talking about when we came into the room?

4, While we were waiting at the bus stop, we were seeing an accident.

5, What were you buying while you were shopping with your mum?

6, She was walking to the shops when someone stole her handbag.

7, While I was lying on the beach, my brother was going for a swim.

8, Sam was sitting on the bus when a bird flew in through the window.

9, Were you dropping your phone while you were running for the bus?

10, I was listening to music when my dad told me to switch it off.

- Cấu trúc: 
+) Khẳng định: S + was/were + Ving
+) Phủ định: S + wasn’t/weren’t + Ving
+) Nghi vấn: Was/were + S + Ving
                    W/H question + was/were + S + Ving

- Chúc cậu học tốt.

1, May was eating sweets when her tooth broke.

2, While I was painting the door, I was getting white paint on my trousers.

3, What were they talking about when we came into the room?

4, While we were waiting at the bus stop, we were seeing an accident.

5, What were you buying while you were shopping with your mum?

6, She was walking to the shops when someone stole her handbag.

7, While I was lying on the beach, my brother was going for a swim.

8, Sam was sitting on the bus when a bird flew in through the window.

9, Were you dropping your phone while you were running for the bus?

10, I was listening to music when my dad told me to switch it off.