1. Can you help us? Our car have broken down.
2. I applied for a job as a tourist guide, but I wasn't successful.
3. Where's my bike? It have been outside the house, but it's not there now.
4. Look! There's an ambulance over there. There was an accident.
5. A: Have you heard about Ben? He have broken his arm.
Chúc học tốt!!~