EX 1
1. I moved into a new flat.
2. You lived in a small town.
3. She forgot the key at home.
4. The water froze last night.
5. It cut the grass.
6. We visited our best friend.
EX 2
1. Did you move into a new flat?
2. Did you live in a small town?
3. Did she forget the key at home?
4. Did the water freeze last night?
5. Did it cut the grass?
6. Have you visited your best friend?
EX3
1. I didn't move into a new flat.
2. You didn't live in a small town.
3. She didn't forget the key at home.
4. The water didn't freeze last night.
5. It didn't cut the grass.
6. I didn't visit our best friend.
