1. поставьте глаголы в следующих предложениях в утвердительную, вопросительную и отрицательную формы present simple. 1. i (to do) morning exercises. 2. he (to work) at a factory. 3. she (to sleep) after dinner. 4. we (to work) part-time. 5. they (to drink) tea every day. 6. mike (to be) a student. 7. helen (to have) a car. 8. you (to be) a good friend. 9. you (to be) good friends. 10. it (to be) difficult to remember everything.

I do morning exercises. Do I do morning exercises? I don't do morning exercises.
He works at a factory. He does not work at a factory. Does he work at a factory?
She sleeps after dinner. She does not sleep after dinner. Does she sleep after dinner?
4. We  work part-time. We do not work part-time. Do we work part time?
5. They drink tea every day. They do not drink tea every day. Do they drink tea every day. 
6. Mike is a student. Is Mike a student? Mike is not a student.
7. Helen  has a car. Helen has not a car. Does Helen have a car?
8. You are a good friend. You are not a good friend. Are you a good friend?
9. You are good friends. You are not good friends. Are you good friends?
10. It is difficult to remember everything. It is not difficult to remember everything.Is it difficult to remember everything?