Answer the question "How Long". Use the Present Perfect.

"A Bowl of Grapes" by Georges Braque, 1926

1. How long have you known each other? (three years)

We've known each other for three years.

2. How long has your sister had a headache? (this morning)

She's had one since this morning.

3. How long have Mr. and Mrs. Gonzales been married? (2005)

They've been married since 2005.

4. How long has Mrs. Bennet been a guidance counselor? (nineteen years)

She's been one for nineteen years.

5. How long have you owned that car? (three and a half years)

I've owned it for three and a half years.

6. How long has Steven owned his house? (2008)

He's owned it since 2008.

7. How long have you been interested in biotechnology? (many years)

I've been interested in it for many years.

8. How long have there been satellites in space? (1957)

There have been satellites in space since 1957.

9. How long have there been mice in your attic? (I moved here)

There have been mice in my attic since I moved here.

10. How long has Maria been interested in photography? (she studied it in college)

She's been interested in photograpy since she studied it in college.

11. How long has Louise been the manager of the store? (several years)

She's been the manager of the store for several years.