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We have been waiting and it is taking too long.
waiting for what?!?!?!?
The sentence "How long you wait here" is not grammatically correct. A more accurate phrasing could be "How long will you wait here?" or "How long have you been waiting here?" to convey the intended meaning.
"Have you been waiting long" is an example of the present perfect tense. It is used for an action that started in the past and has continued up till now.
since 1926
how long have you been waiting for a answer
I have been waiting for you to call!Have you been waiting long?He has been calling me every hour.
It has been raining for two hours.It has been raining since early morning.It has been raining since you came.How long have you been waiting me? - I have been waiting for you for about an hour.
Flight is a phenomenon that has long been a part of the natural world. Birds fly not only by flapping their wings, but by gliding with their wings.
They do have an outlet store that has a very long waiting list but is picked at random, this is where the clearance things go. The store, however usually only have January sales.
Long wings create more lift. So jet planes have long wings.
Some examples of present perfect continuous tense are: She has been studying for the exam all week. They have been waiting for the bus for half an hour. I have been working on this project since last month.