I go to school

watashi; I, my, me
watashi-wa;I
watashi-no;my
watashi-o;me
gakkou; school
e; to
ni;to

Watashi-wa gakkou e (ni) ikimasu.; I go to school.
Watashi-wa gakkou e ikimasen.; I don't go to school.
Watashi-wa gakkou e ikudarou; I will go to school.
Watashi-wa gakkou e itta; I went to school.

In English verbs should be conjugated depend on the subject in the sentence.
But Japanese verbs are not be conjugated depend on the subject.

kare; he
kanojo; she

Kare-wa gakkou e ikimasu.; He goes to school.
Kanojo-wa gakkou e ikimasu.; She goes to school.