Question

Make sentences interrogative and negative.It was snowing all day yesterday.We were working at that time.They were doing their homework when I came to see them.My father was reading a newspaper while my aunt was cooking dinner.We were having dinner when our uncle came.They were playing all day.She was working on her report all Sunday.
They were cleaning this flat all morning.

Answer 1

Negative:
1) It wasn't snowing all day yesterday.
2) We weren't working at that time.
3) They weren't doing their homework when I came to see them.
4) My father wasn't reading a newspaper while my aunt was cooking dinner.
5) We weren't having dinner when our uncle came.
6) They weren't playing all day.
7) She wasn't working on her report all Sunday.
8) They weren't cleaning this flat all morning.

Interrogative:
1) Was it snowing all day yesterday?
2) Were we working at that time?
3) Were they doing their homework when I came to see them?
4) Was my father reading a newspaper while my aunt was cooking dinner?
5) Were we having dinner when our uncle came?
6) Were they playing all day?
7) Was she working on her report all Sunday?
8) Were they cleaning this flat all morning?