1. Summer (comes) in June and (ends) in August.
2. The sun (rises) earlier and earlier and (sets) later and later.
3. We (enjoy) the White Nights in St. Petersburg.
4. The sun (is shining) brightly in the sky. (если нужно все в Simple, то shines)
5. When it is hot, we (bathe) in the rivers and lakes.
6. Many people (like) to boat in summer.
7. My grandfather often (walks) in sunny weather.
8. My parents and I sometimes (go) mushrooming and picking up berries.
9. Every weekend they (go) to the country.
10. We (dig) the ground and (sow) seeds in summer.
11. My mother (like) to walk in a calm warm evening.
12. If often (rains) in August.