Subjects and verbs must agree, meaning that singular and plural subjects take different verb forms.
Which verb form is correct below?
1. Saul (chooses/choose) to spend his time playing Resident Evil on the PS3.
2. John and Isaac (does/do) not seem to care much about their schoolwork.
3. Nick and Nate never (try/tries) their best in math.
4. Henry (walk/walks) to the zoo on Saturday afternoons.