Exercise. 1 Complete the following sentences using the present perfect continuous tense form of
the verbs in brackets.
***
1. Mrs. Rose
(teach) English for ten years.
2. Her grandma
(talk) for three hours.
3. A little boy
(stand) at the door since noon.
4. I want to help Kelly. She
(not work) for months.
5. A strange man
(follow) us for hours.
6. The baby...
(cry) for fifteen minutes.
7. How long
(Dan drive)?
8.
(you watch) me?