subject verb agreement

the 3rd person singular countable noun takes a singular verb

• the little girl likes to eat sweet and chocolate

all other nouns take a plural verb

• the climbers climbs the tree as a form of exercise

1st person

• singular - i
• plural - you

2nd person

• singular and plural - you

3rd person

• singular - he, she, it
• plural - they

all verbs in the simple present tense which come after i, we, you and they must have an -s, -es or -ies

all verbs in the simple present tense which come after i, we, you and they must be in their base forms