Ex 3
1. They don't watch TV
2. She doesn't have breakfast
3. I don't sit in the garden
4. The sun doesn't shine
Ex 4
2. Are Lucy and Liam watching TV? No, they don't, they're drawing
3. Is Tom listening to music? No, he isn't, he's surfing the Net.
4. Is the dog sleeping? No, he isn't, he's eating the newspaper
5. Is Jane surfing the Net? No, she isn't, she's doing the washing-up.