Crear
Today is saturday, I ____________ go to school
Humans _________ fly
Lions ______ roar
He _______ obey his parents
Lina __________ eat helthy food, since she is overweight
When I was a little baby I __________ write an read
She ________ smoke, it is really bad for her lungs
I _______ pay the taxes today
In the airplane she ________ wear the seatbelt
The teacher _______________ disrespect students
can't
shouldn't
don't have to
can
couldn't
should
must
has to
have to
mustn't