3.
1. I always do
2. We are writing
3. I am doing
4. I do not cycle
5. It is not raining
6. I visit
4.
1. Are you goint out this evening?
2. Is your mum working tomorrow?
3. Are you meeting friends at the weekend?
4. Is your teacher going on holiday next week?
5. Are you going to university next year?
5.
1 - c
2 - b
3 - d
4 - a