Chia dạng đúng của từ trong ngoặc

1. When there...(be) a storm, out dog always...(run) under my bed.
2. Tomatoes….(be) better when they …(grow) in the sun.
3. If it …(be) sunny in the morning, I usually … (go) running around the park.
4. If you …(swim) in the sea in summer, the water … (be) usually warm.
5. Water …(become) ice when it … (get) very cold.
6. If it … (snow) in this country, they often …(close) the schools.