Present Perfect Progressive Tense: The Present Perfect Progressive Tense (#1)

The present perfect tense can be simple or progressive.
These two different kinds of present perfect are different
in both form and meaning / usage.

Let's look at the form first.

The present perfect progressive tense combines the form
of the present perfect (has or have + the past participle)
with the form of all progressive tenses (BE + an -ing verb).

This is how these forms are combined:

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As in the present perfect, the subject + have / has is
frequently contracted:

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Negatives are also formed as in the present perfect--
with not. The negative forms may also be contracted:

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Finally, questions are also formed as in the present perfect:

I've been feeling tired. --->
Have you been feeling tired?

You've been working hard. --->
Have you been working hard?

He's been watching TV. --->
Has he been watching TV?

??? has been studying. --->
Who has (Who's) been studying?

??? people have been trying to contact him. --->
How many people have been trying to contact him?

She's been ???ing. --->
What has she been doing?

She's been working ???. --->
How long has she been working? /
Where has she been working?

He's been reading ???. --->
What has he been reading?

He's been reading a ??? book. --->
What kind of book has he been reading?

??? They've been trying hard. ??? --->
They've been trying hard, haven't they? /
They haven't (they've not) been trying hard, have they?

??? It's been raining a lot. ??? --->
It's been raining a lot, hasn't it? /
It hasn't (it's not) been raining a lot, has it?