Поделитесь своими знаниями, ответьте на вопрос:
1. If the chickens (cross) the road, they finally ( arrive) home safely. 2. If we ( sing) very loudly, neighbours (be / not) happy. 3. If I (to be) very tired, I always (yawn 4. If I (go) forward, I (not / to step) back. 5. If he (to stop) breathing, he (start) choking. 6. If he (wear) braces, his trousers (not / fall). 7. If a car (be) out of fuel, it ( stop) beside the road. 8. If a plane (to be) out of fuel, it (fall). 9. If she (not / swim) anymore, she (sink) in deep waters. 10. If they (to breathe), they (live). Тема: Zero Conditional