IV. Напишите предложения в отрицательной форме: 1. I have practical classes every day. 2. They had a biology lesson yesterday. 3. They will have two hours of chemistry tomorrow. 4. They have examinations in summer. 5. His house is far from the institute. 6. I was present at the meeting of our group. 7. My sister is usually at home on weekends. 8. The work at the hospital was interesting for me. 9. The weather is very nice today.