Exercise. 1
Complete the following sentences using the present perfect continuous tense form of
the verbs in brackets.
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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?​