Practica esta lección: Ir al examen
109
Following instructions and understanding rules
In this example
“must”
expresses the obligation to climb Popocatepetl that comes
from an internal source (no one external to me is forcing me to do it).
Activity 9
Write 3 sentences using “must”.
Escribe 3 oraciones usando “must”.
1. ________________________________________________________.
2. ________________________________________________________.
3. ________________________________________________________.
Have to:
“Have to” has several functions. First, it expresses a strong belief.
This belief is not based on fact, but rather on logic. Second, it expresses an
obligation. The source of this obligation is external (coming from your boss, the law,
an authority). The negative of have to is
“do not have to”
.
Example: Maria
has to
win this race to advance to the next round.
In this example,
“has to”
expresses a strong belief that is based on logic.
Example: My mother says that I
have to
make my bed.
In this example
“have to”
expresses an obligation coming from an external source
(my mother).