"Have you traveled before?"
The auxiliary verb "have been" is used with the present participle, "traveling."
Yes but depending on the context you should have -- a/thedocument has been printed
No this is grammatically incorrect. Some correct examples would be:Has she already been informed about this?Has she already informed him about this?Has she already informed them about this?
The treacherous ice is best to avoid The treacherous path through the woods had never been traveled before.
No, that is not correct. First of all 'much' is wrong with 'they'. It could have been "How many are they?. But if you have to ask the price of something you could ask- "How much is it for?" or "How much do they cost?" for more than a single item. In an informal way you might ask "How much for them?" or just "How much?"
Either could be correct, depending on context. "The thief has been located in the library." (The thief is inside the walls of the library.) "The thief has been located at the library." (The thief could be anywhere on the library grounds.)
The correct sentence is: "Have you ever traveled before?"
"July has just been started" is not correct grammar, instead the correct grammar is "July has just started."
Both are correct. Most people use the latter.
I believe it is "have"
The correct grammar is "You have been here for four months."
the grammar is correct. i think.
No. Not in any grammar I've herd.
The correct verb is had been.Examples:This workout studio had been a gas station at one time.Jerome had been waiting for an hour.
government controls HAVE been abolished
Yes but depending on the context you should have -- a/thedocument has been printed
"You have always been the best" would be more grammatically correct.
Yes.