Verb types and the "present tense"
The present tense in Japanese is used to describe one of two things: 1) an activity a person habitually or regularly engages in, or 2) an activity that a person is planning on performing or doing in the future.
わたしはよくテレビをみます。 I often watch TV.
メアリーさんはときどきあさごはんをたべません。Mary sometimes doesn't eat breakfast.
わたしはあしたきょうとにいきます。 I will go to Kyoto tomorrow.
スーさんはきょううちにかえりません。 Sue will not return today.