2. They may/might be late.
3. I think it's going to rain. Если по обрaзцу то I think it may/might rain.
4. We may/might buy a van.
5. May/Might I leave early?
6. He may/might not travel to India.
7. I think the government is going to win. I think the government may/might win.
8. She may/might not move house.