Употребите глагол в нужном времени.

1. He was only 27 in 1963, but he (to teach) already at Galton Uni­versity for five years. 2. Little John was rather worried, as he (to sit) and waiting for his mother for many hours, but she (not to come). 3. Would you please give her this note the moment she (to arrive). 4. I'm not expecting any visitors, but if someone (to come) while I (to be) out could you say that I (to be) back in an hour. 5. In my opinion she should go on working till she (to correct) all the errors. 6. I don't think the weather will change for the better. But if it (to do) we (to go) for an outing. 7. I (to wait) for you for 2 hours already, and nobody can tell me when you (to come). 8. If I (redecorate) my flat next time I (hire) workers. 9. When mother (come) children (do) already their homework. 10. I (work) long hours that's why I look so pale.