Present Perfect

Have you ever seen the Himalaya mountains?
Has you been Were you (or: Have you been)in my apartament until now? (Have you been in my apartment this whole time? <--Is that your meaning?)
Neal has just arrived at home.
Has the newspaper already been printed?
Have you gone to your room yet?
I have cleaned my shoes.
I have seen Stefan nat the library. Can I go greet him?
I have lostmissed my plane. When will be the next plane be to Rome?
I haven’t seen Andrea yet, I hope he will arrives soon.
Have you ever speak spoke whit with an American? Yes, I have.
Have you ever been in to Australia? Not yet. but I am going to go next year.
How long have you known your sister in law?
How long has she been in Italy?
How long has been was your trip?
How long have you studied at university?
How long has he studied guitar? He stopped studying guitar 3 month ago. Sorry! (Actually, it's ok to ask the question even if he stopped studying a while ago.) So how long did he study guitar for? He studied guitar for 5 years. (when speaking informally, you can say "studied guitar" but when writing formally, it's best to say "studied the guitar")
.....thanks for your help!!!!!

^^

present perfect

Have you ever seen the Himalaya mountains?
Has you been in my apartament until now? Have you been in my apartment before?
Neal has just arrived at home. Neal just got home.
Has the newspaper already printed? Has the newspaper already been printed?
Have you gone to your room yet?
I have cleaned my shoes. I cleaned my shoes.
I have seen Stefan n the library. Can I greet him?
I have lost my plane. When will be the next plane to Rome? I missed my plane. When is the next plane to Rome?
I haven’t seen Andrea yet, I hope he will arrive soon.
Have you ever speak whit an American? Yes I have. Have you ever spoken with (to) an American?
Have you ever been in Australia? Not yet. But I am going to go next year. 
How long have you known your sister in law?
How long has she been in Italy?
How long has been your trip? How long has your trip been?
How long have you studied at university?
How long has he studied guitar? He stopped study guitar 3 month ago. Sorry! So how long did he study guitar. He studied guitar for 5 years. He stopped studying the guitar three months ago.
.....thanks for your help!!!!!