Present perfect simple or past simple! -that‘s awful! where you (go)? what time it (happen)? -well, i (leave) your house at 8.00, went home and (chain) it outside the house. someone must have taken it during the night. i (phone) the police, and they’re coming soon. -ok. you can tell them what (happen).

-That‘s awful! Where have you gone? What time did it happen? 
-Well, I left your house at 8.00, went home and chained it outside the house. Someone must have taken it during the night. I have phoned the police, and they’re coming soon. 
-OK. You can tell them what happened.