require · verb T /rəˈkwɑɪr/
require
B1 to need or demand something
Dictionary examples:
If you require assistance with your bags, I’ll be glad to get someone to help you.
A building permit is required.
Training to be a doctor requires a lot of hard work.
Call this number if you require more information.
Skiing down a steep slope requires total concentration.
Learner example:
Weddings are very different in our country and require a lot of [prepara]tion. (Preliminary English Test; B1; Arabic)
require sb to do sth
B2 to officially demand that someone does something
Dictionary example:
You are required by law to produce a valid passport.
Learner example:
It may occur in the future that they are required to posses[s] knowledge of something they didn't study at school in order to get a job. (First Certificate in English; B2; Italian)