Руководствуясь смыслом предложения, поставьте глагол, заключенный в скобках в нужное время

Руководствуясь смыслом предложения, поставьте глагол, заключенный в скобках в необходимое время (Indefinite либо Continuous). 1.Now he (to sit) at any table and we (to speak) about our work. 2. He (to go) to the institute on Mondays and fridays. 3. What you (to go) here? We (to wait for) our friends. 4. There teacher (to examine) a student at this moment. 5. Yesterday from 2 till 6 oclock we (to work) at our scientific laboratory. 6. Tomorrow at 5 p.m. I (to prepare) a lecture. 7. We (to Study) by correspondence at the Moscow State University.