folder 5: present perfect contionuous and past perfect continuous

Question 1

form present perfect continuous

Answer 1

have + been + ing form of the main verb

Question 2

use of the present perfect continuous

Answer 2

stress a duration of an action that started in the past and lasts up till now

Question 3

form past perfect continuous

Answer 3

had + been + ing form of the main verb

Question 4

use of past perfect continuous

Answer 4

• stress the duration of an action in the past

- action happened before another action in the past