Помогите, пожалуйста. Даю 50 баллов.
На месте пропусков вставить нужные модальные глаголы (May, might, must).
1. If you see a flash of lightning but can't hear thunder, it means that lightning ... be as long as 150 km away from you.
2. If the streets are flooded, it ... have been raining for a long time.
3. If a hurricane is approaching, there ... be heavy rain or a flood.
4. Lightning ... strike the same place twice.

1. May

2. Might

3. Must

4. May

May - Настоящее время

Might - Прошедшее