Schools have tried to limit their use by not allowing them to be used in math classes, although they allow them in science lessons to save time.
I like shopping in used-book stores and in used-clothing shops.
We used to compile survey results using spreadsheet programs but recently we feel that database software's summing methods are quicker so we use databases to total them.
Jazz uses the same notes that Bach used.
We used up the shampoo.
They used tools similar to those used there.
Akira is using that same dictionary that his father used as a student.
There used to be a bridge here.
Certain poisons, properly used, are useful.
People used to think that only humans could use language.
There used to be a prison here.
She is not what she used to be.
He is not what he used to be.
The methods used to overcome stress are different for men and women: drinking is the major method used by men, while women deal with stress by chatting.
I'm not what I used to be.
Gestures are not used by them.
I used to type my letters, but now I use a word processor.