1. Complete the sentences. Use the correct form of the verb. If you (heat) water, it _ (boil). When people - (not / sleep) enough, they (feel) tired. If it (rain), the roads_ (be) slippery. If she (study) hard, she_ (pass) the exam. If we (not / hurry), we _ (miss) the bus.

Ответ:

1. If you (heat) water, it boils.
2. When people - (not / sleep) enough, they (feel) tired. When people do not sleep enough, they feel tired.
3. If it (rain), the roads_ (be) slippery. If it rains, the roads are slippery.
4. If she (study) hard, she_ (pass) the exam. If she studies hard, she will pass the exam.
5. If we (not / hurry), we _ (miss) the bus. If we do not hurry, we will miss the bus.