ex1.drink.... eatex21.drink 2. isex3.They drink tea everyday. They don't drink tea everyday. Do they drink tea everyday? Mike is a student. Is Mike a student? Mike is not a student. ex4.1. are not doing are playing 2.were not doing were playing ex5.1. was shining 2. is shining 3. will be shining 4. am writing 5. was writing 6. shall write 7. sat8. will sit 9. are sitting ex6. 1. I have always liked them.2. I have already read it.