1. read
2. is having
3. was doing
4. have never been
5. are going
1. We read many books last year.
2. You can't see Boris now. He has (is having) an English class. Написала так, потому что вообще глагол have в Continuous не употребляется
3. When I saw her she was doing her homework.
4. I have never been to China.
5. We are going to visit our grandparents next week.