Present perfect continuous

When do you use the present perfect continuous?

• To explain a present result

• To emphasize the duration of a recent activity/past

• To talk about a situation that is still continuing

• To talk about continuous actions with present results

• To talk about actions that started in the past and are continuing

He gained a lot of muscles because he had been going to the gym

• To explain a present result

• To talk about a situation that is continuing

• To emphasize duration of a recent/past activity until now

• To talk about events that happened recently or lately

He has been reading ''Crime and punishment'' the whole evening

• To talk about a situation that is still continuing

• To explain a present result

• To talk about actions that started in the past and are still continuing

• To emphasize duration of a recent/past activity until now

I've been waiting to hear from my husband overseas

• To talk about continuous actions with present results

• To talk about a situation that is still continuing

• To talk about actions that started in the past and are still continuing

• To explain a present result

We have been living in Canada for six years

• To talk about a situation that is still continuing

• To talk about an action that started in the past and continues

• To explain a present result

He has been waiting for her to wake up from a coma for three months

• To talk about a situation that is still continuing

• To emphasize the duration of a recent/past activity