Jade went to school at the Institute of Art.
Jade used to go to school at the Institute of Art.
My brother and his wife lived in the apartment upstairs.
My brother and his wife used to live in the apartment upstairs.
Jake worked at the post office, but now he’s a teacher.
Jake used to work at the post office, but now he’s a teacher.
The Empire State Building / be / the tallest building in the world
The Empire State Building used to be the tallest building in the world.
China / not have / one of the world’s strongest economies.
China didn’t use to have one of the world’s strongest economies.
People / not use / smart phones or tablets to visit the Internet.
People didn’t use to use smart phones or tablets to visit the Internet.
People / write / letters to their friends and family
People used to write letters to their friends and family.
Brasilia / not be / the capital of Brazil.
Brasilia didn’t use to be the capital of Brazil.
