Answer: los dinosaurios eran animales muy grandes.
Explanation:
Step 1
identify the verb.
verb:ser:to be
identify the subject
subject:los dinosaurios :the dinosaurs:they:ellos
Step 2
translate the complement
animales muy grandes: very big animals
Step 3
look, for the time that makes sense with the sentence, in this case is imperfect past , then, find the correct conjugation for the subject Los dinosaurios (they:ellos)
the dinosaurs were very big animals
los dinosaurios eran animales muy grandes. (ser)
