Present perfect continuous

1. Which of the following examples is a present perfect continuous?

• We are doing these exercises.

• We do the exercises.

• We have done the exercises.

• We have been doing these exercises for 5 minutes.

When do you use a present perfect continuous?

• Something has started in the past en there is a stress on the result.

• Something happened in the past and is over now.

• Something has started in the past en ended yesterday..

• Something has started in the past en there is a stress on the action.

Which of the following is a present perfect continuous?

• We have just finished the scaffold.

• We have been working on that scaffold for three days.

Which of the following isn't a present perfect continuous?

• I have been working for three days.

• He has been telephoning since 8 o'clock.

• I have tried to get into contact with him.

5. Fill in with a correct present perfect continuous.

I think the director __________ (walk) the town for hours.

5. Fill in with a correct present perfect continuous.

She ________ (tell) me all bout it since 9 o'clock.

5. Fill in with a correct present perfect continuous.

It _______ (rain) for four days on end.

5. Fill in with a correct present perfect continuous.

She _____ (shop) for more than two hours.

5. Fill in with a correct present perfect continuous.

She _______ (help) the guests since 8 o'clock.