Today, let's study some verbs such as eat and go.
By the way, eat means ~をたべる and go means ~にいく. I'll explain what を and に is later.
1 I eat bananas.
2 I don't eat apples.
1わたしはバナナをたべます(formal)。/たべる(informal)
2わたしはリンゴをたべません(formal)。/たべない(informal)
I'll explain the reason why you have to remeber たべる, i mean, informal form later on.