It has been raining all the

weekend

for repeated actions or situations which started in the past and continue, regularly or unninterrupted, up to the present.

Condorito has been playingfootball for two hours.

For actions were happening over a period of time and may or not have finished, but thier results are obvious in the present.

Tomas is very tired.He has been workingall day.

I have been working on my formula for over 5 years.

Garfiel and Odie (They) have been playing basketball all morning.

Garfield has been sleeping all night.

It has been raining all this weekend.

I haven’t been studying for my final exams.

We have not been sitting on our chairs

all night. We have been dancing.

He has not been learning anything from his class.

Have you been working on your final project?

No, I haven’t.

Yes, I have.

Has he been thinking about our proposal?

Yes, He has

No , he hasn’t

Evans, V. (2000). Double Click 2. En V. Evans, Double Click 2 . Express Publishing.