Question

They / decide to go at the doctor
(+)
(-)
(?)

Afirmativa, negativa, interrogativa!
ayuda? ​

Answer 1

In the past :

1. They decided to go to to the doctor. (+)
2. They did not decide to go to the doctor. (-)
3. Did they decide to go to the doctor ? (?)

in the simple present :

1. They decide to go to the doctor. (+)
2. They do not decide to go to the(-) doctor.
3. Do they decide to go to the doctor? (?)

Past Structure :

(+) : Subject + verb + ed.

(-): Subject + Did not+ verb infinitive.

(?) : Did + Subject + verb