Is it okay to ask someone how long theyve been single?

Once you know they are single its important to know how long they have been single. As a general rule of thumb, we experts recommend that you not date someone who has been divorced within the last two years. A newly divorced person just wont be ready for you, in spite of what they might think.

How long have you been here?

“How long have you been here?” This is used to ask someone how many days/weeks/months have they stayed in a particular place.

Is it correct to say how much time?

How much time and how long can be used in place of one another in many common situations. In the situation you describe, both would sound natural and be correct grammar. How long time is always a mistake. It is not correct grammar under any normal circumstance.

How long have you been playing Meaning?

I would say the same thing if someone asked me, how long have you been playing this game? The verb tenses played and been playing are different -- but been playing means that the playing is still going on, which is definitely the case if youre asking inside the game. For example, I played Quake 3 for 2 years.