226. Раскройте скобки: 1) Tom (be) busy today. He (clean) his room. 2) The weather (be) bad today. It (rain). 3) He sometimes (swim) in summer. 4) It sometimes (rain) in summer. 5) It sometimes (snow) in December. 6) She (work) now. 7) It (rain) now. 8) It (snow) now. 9) She (work) yesterday. 10) It (rain) yesterday.

1. Tom is busy today. He is cleaning his room.
2. The weather is bad today. It is raining.
3. He sometimes swims in summer.
4. It sometimes rains in summer.
5. It sometimes snows in December.
6. She is working now.
7. It is raining now.
8. It is snowing now.
9. She worked yesterday.
10. It rained yesterday.

В предложениях с now используется Present Continuous, с sometimes — Present Simple, а с yesterday — Past Simple.