difference between 'had been' and 'have been'

[Angella]

English Language Tests, Intermediate level

ESL/EFL Test #250 "Today, yesterday and tomorrow (1)", question 10

It's 10 o'clock in the morning right now. Before you go home ........., I need you to stop by my office. I have to speak with you immediately.

(a) today
(b) yesterday
(c) tomorrow

English Language Tests, Intermediate level

ESL/EFL Test #250 "Today, yesterday and tomorrow (1)", answer 10

It's 10 o'clock in the morning right now. Before you go home today, I need you to stop by my office. I have to speak with you immediately.

Correct answer: (a) today
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Please let me know what the difference is between had been & have been.


Angella

[Alan]

Hi Angella,

You will note that I have edited your question.

In general terms have been is present perfect and had been is past perfect as in:

I have been here for half an hour and no bus has arrived yet

After I had been there for one hour, two buses arrived.

Alan
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English as a Second Language
You can read my ESL story Present Simple