1. His son is a freshman, he has good pronunciation and grammar.
2. In the evenings, I help my mother clean the room and wash the dishes after supper.
3. A downpour is coming, but you have not taken an umbrella or a raincoat.
4. What do you prefer to do at weekends? I usually get very tired after work and want to have a really good rest.
5. You'd better stay home in such nasty weather. There is a strong wind blowing thunderclouds across the sky.
6. The letters are usually sent on Mondays, but today they have been sent earlier.
7. We have not yet decided where we shall go in summer, but we really hope that we shall go to the Crimea.
8. He said that his father would come late, because they had a lot of work and a meeting. He did not know when it would end.