A present tense verb tells about actions that are happening now.
Add s or es to most present tense verbs when the subject of the sentence is he, she, it, or a singular noun. Do not add s or es to a present tenst verb when the subject is I, you, we, they, or a plural noun.
Maria's family grows coffee beans.
Samantha watches the sunrise in the field.
Jared eats a large sandwich.