Is it free?
I'm free today.
I'm free tonight.
I'm free on Sunday.
It's free of charge.
Are you free tonight?
Are you free tomorrow?
This newspaper is free.
Are you free on Tuesday?
Is this a tax-free shop?
Is this a duty-free shop?
I am never free on Sundays.
The prisoners were set free.
I am not always free on Sundays.
How did you spend your free time?
What do you do in your free time?
She feeds her dog a meat-free diet.
I had some free time, so I wandered around town.
With your children away, you must have a lot of free time.
He always seems to be living rent-free in somebody's house.
I always enjoy listening to classical music when I have some free time.
If students today had more free time, they might show more interest in politics.
If you'd told me about it earlier, I could've been free. However, tomorrow I have plans to go back home.