Напишите предложения в прошедшем и будущем времени. 1. You … (be) a student. 2. We … (be) workers. 3. She … (be) a teacher. 4. I … (be) an engineer. 5. There … (be) a good library at our university. 6. There … (be) many students at the lecture. 7. We … (have) three lectures. 8. The institute … (have) many laboratories.