Por favor ayudenme a completar correctamente esta conversacion!!
please help me to complete this conversation correctly!

Ring! Ring!

Berto: Hello?

Justin: Hi, may I please speak to Berto?

Berto: Yes, this is he.

Justin: Berto! How (be) areyou? This is Justin.

Berto: AhhhJustin! I (be) amfine. How are you?

Justin: I'm great, thanks.

Berto: That (be) isgood. So, what's up?

Justin: Well, I (have) havea question for you.

Berto: Sure.

Justin: My motorcycle (be) isbroken. I (try)
to repair it for days. I (no, know)
what is wrong with it. I (no, can fix)
it.

Berto: Hmm. It (sound) soundslike a mystery. (You, try)
to start it?

Justin: Yes. I (try)
to start it many times.

Berto: What (happen)
when you try?

Justin: It (make) makesa strange sound. Then the engine (die) dies.

Berto: Hmm. Okay. (You, stand)
beside it right now?

Justin: Yes.

Berto: Okay. You need to do the following things. First, you need to inspect the spark plugs.

Justin: Hold on. Okay, right now I (inspect)
the spark plugs under a light. They (look) lookclean.

Berto: Okay, that's good. Now, you need to check the oil.

Justin: Hold on. Okay, right now I (check)
the oil. It (look) looksclean, and the tank is full.

Berto: Okay, that's good. Now, you need to test the battery. (You, have) do you havea battery tester?

Justin: Yes, I do. I (use) am usingit right now. I (test)
the battery. It (appear) appearsto be full of life.

Berto: Hmm. That is strange! I (wonder) wonderwhat the problem could be.

Justin: Yes...very strange. I (not, understand)
it. My brother (think) thinksthe motorcycle is trash. He (not, think)
it will ever start again. He (say) saysI need to take it to the junkyard.

Berto: Hmm. That's too bad. Well, there is one more thing you can check.

Justin: Really?

Berto: Yes, but I am sure you (check)
check
it already.

Justin: Well, what is it?

Berto: The gas level.

Justin: Wait! I (not, check)
don´t check
that yet! Hold on!

Berto: Well, what (do) doesit look like?

Justin: It looks empty!