1) Supply the interogative and the negative:
a) You can add sugar to your coffee.
Interrogativa- ______________________________________________
Negativa- ______________________________________________
b) They must work from eight to five.
Interrogativa- ______________________________________________
Negativa- ______________________________________________
c) We may find contaminated water in wells.
Interrogativa- ______________________________________________
Negativa- ______________________________________________
d) You can swim three hours a day.
Interrogativa- ______________________________________________
Negativa- ______________________________________________