1.Acesta trebuie sa fie John =That has to be John(certainty)
2.Ea trebuie sa citească 6 carti=She has to read six books(necessary)
3.Acest raspuns trebuie sa fie corect=This answer has to be correct.(certainty)
4.Ei trebuie sa plece devreme=They have to leave early(obligation)
5.A trebuit sa ma trezesc devreme=I had to get up early(necessary)
6. In Franta trebuie sa conduci pe dreapta=In France you have to drive on the right(obligation)
7.Trebuie sa ma culc=I have to go to sleep(necessary)
8.Nu trebuie sa ma trezesc de dimineata in weekend=I don't have to get up early at weekend(certainty)
9.Tu nu trebuie sa mananci aia=You don't have to eat that
10.Trebuie sa imi fac tema=I have to do my homework
