1. We / since / live / 1990 / here.

2. The child / sleep / two hours / for.

3. We / wait /ages / for.

4. She / read / morning / since.

5. It / since / yesterday / rain.

6. I / all / garden / afternoon.

7. Sleep / who / my bed / in?

8. I / recently / play / a lot of tennis.

9. He / all day / on the corner / stand.

10. James / same job / work / in / thirty years / for / the.

Answers

1. We have been living here since 1990.

2. The child has been sleeping for two hours.

3. We have been waiting for ages.

4. She has been reading since morning.

5. It has been raining since yesterday.

6. I have been gardening all afternoon.

7. Who has been sleeping in my bed?

8. I have been playing a lot of tennis recently.

9. He has been standing on the corner all day.

10. James has been working in the same job for thirty years.

Notes

Present perfect continuous tense forms are made with has / have + been + ing form of the verb.

We use has when the subject is a singular noun or a third person singular pronoun.

We use have when the subject is a plural noun or pronoun.

Alice has been reading a novel for two hours.
Susie has been knitting a sweater for her mother.
Scientists have been working on the human genome project for several years.
The Americans have been spending billions of dollars on space research.
We have been waiting for him since morning.
It has been raining since yesterday.
The anxious mother has been waiting for a phone call from her daughter in the US.
We have been trying to find a solution to this vexed problem.

Notes:

The question form in this tense will be as follows:

Has Alice been reading a novel for two hours?

Have scientists been working on the human genome project for several years?
Has it been raining since yesterday?

The negative form in this tense will be as follows:

Alice has not been reading a novel for two hours.
It has not been raining since yesterday.

The present perfect continuous tense shows an action that started in the past and has been continuing ever since. Therefore, the only point of time that can be mentioned in such a sentence is the time at which the action started.

He has been working here since 2002.
I have been waiting for a bus since 8 o’clock.

It is also possible to mention the period of time during which the action has been going on.

He has been working here for 7 years.
I have been waiting for a bus for two hours.

But it is wrong to say:

We have been working all yesterday. (Here the action took place in the place and present perfect continuous tense cannot be used to talk about past actions.)
It has been raining during the whole of last week. (Wrong)

Instead you must say:

We worked all yesterday.
It rained during the whole of last week.

Present perfect continuous and simple past

Note how the meaning changes when the present perfect continuous tense is replaced by a simple past tense.

We have been working since yesterday. (= We started the work yesterday and we are still working.)
We worked all yesterday. (= We have stopped working.)
It has been raining since yesterday. (= It is still raining.)
It rained all yesterday. (= It has stopped raining.)

Form
Affirmative
I have written.
He has written.
They/you/we have written.

Negative
I have not written.
She has not written.
They/you/we have not written.

Interrogative
Have I written?
Has he written?
Have they/you/we written?

The present perfect tense is used to talk about an action just completed.
Read the sentences given below.

I have finished the story.
They have returned.
She has applied for leave of absence.

The present perfect tense can also be used to talk about an action which began some time in the past and has continued up to the present.

I have always wanted to learn the art of painting.
We have lived in this city for several years.
I haven’t seen him for a long time.

To talk about past actions that cannot be attributed to a definite time

The present perfect tense can be used to talk about past actions which cannot be attributed to a definite time.

I have visited Canada and Australia.
I have written several short stories.
I have often gone to that theatre.
She has acted in a film.

Here we are talking about past actions but we do not state when that particular past action took place. Note that we use simple past tense to talk about past actions which can be attributed to a definite time.

Compare
I visited Canada and Australia last year. (NOT I have visited Canada and Australia last year.)
I wrote several short stories last week. (NOT I have written several short stories yesterday.)
I wrote to him yesterday. (NOT I have written to him yesterday.)

Notes

No adverbs of time referring to the past can be used with the present perfect tense. If you have to, use simple past instead.
However, certain adverbs like ever, always, never, constantly etc., can be used with the present perfect tense.

I have never seen him before.
Have you ever been to Kashmir?
He has constantly eluded the police.
John has always been a rebel.

The Present Perfect Continuous Tense

Form
Affirmative
I have been writing.
She has been writing.
They/you/we have been writing.

Negative
I have not been writing.
She has not been writing.
They/you/we have not been writing.

Interrogative
Have I been writing?
Has she been writing?
Have they/you/we been writing?

The present perfect continuous tense is used to talk about an action which began sometime in the past, has gone on till the present and is still continuing.

She has been sleeping for four hours.
I have been working in the garden since morning.
It has been raining since yesterday.

In the sentence She has been sleeping for four hours, she started sleeping four hours ago, slept without stopping for four hours and is still sleeping.
Note that we use the present perfect continuous tense to emphasize the duration and continuity of the action.