... I (try) _have _been _ _trying to repair it for days I (no, know) _have _not known _what is wrong with it I (no, can, fix) _can't _ _fix it Justin: Have you tried to start it? ... (be) _is broken I (try) have _ been _trying to repair it for days I (no, know) _do _not _know what is wrong with it I (no, can, fix) _can't _ _fix it Justin: Have you tried ... it ?What kind of noise does it make? Justin: It (make) _makes _a strange sound Then the engine (die) _dies Beto: Okay (You, stand) _Are _you standing _beside it right now? Justin:...