He was often with the family, and used to carry the baby around before she could walk.
He used to carry it when I first knew him.
He used to carry me in his arm, when I was a baby.
"Do you have a box I can use to carry these to my car?"
On the other hand, it can be used to carry a lot fewer people.
Our family used to carry some weight in the village.
One of them used to carry me on his shoulders when I was a child.
"I used to carry them back and forth to class with me."
The helicopter would not have been used to carry the President.
"I used to carry a picture of myself as a child around to prove it."