The document discusses Spanish modal verbs such as deber, poder, should, and ought. Deber and must express obligation, while poder and can express ability in the present tense but possibility in the past tense. Should and ought express advice, while may and might express permission. When using these modal verbs, the following verb is conjugated in the infinitive or present form.

1. MODALS VERBS
DEBER PODER
MUST PRESENT = CAN =HABILIDAD
= OBLIGACION
HAVE TO PAST =COULD
SHOULD = CONCEJO PRESENT = MAY =POSIBILIDAD
OUGHT TO PAST =MIGHT PERMISO
EL VERBO EN
INFINITIVO O
PRESENTE

10. A.
B.
C
D.
A
B
C
D
3.
A
B
C
D

11. 4.
A
B
C
D
5.
A
B
C
D
6
A
B
C
D

12. 7.
8
9
10