Click on this link for a review on Simple Present Tense form.
USAGE:
1. The simple present is used to talk about habits or routines, schedules, and facts.
Examples:
Habit or Routine:
The team trains every single day.
She visits her hometown on holidays.
They like their coffee cold.
Schedules:
He starts work at nine.
Banks open at 8:00 in the morning.
I go to see my dentist twice a year.
Facts or Generalizations:
It rains a lot in my country during spring.
Nurses take care of ailing patients.
The earth revolves around the sun.
2. Another use of the simple present tense is to express about future events, especially those based on present facts, and when these facts are something fixed like a time-table, schedule, calendar.
Examples:
The delegation arrives at 10:00 tomorrow.
They have Chemistry class every Tuesdays and Thursdays.
The bar opens at 8:00 tonight.
Next Thursday at 2:00, there is a department meeting.
The group rehearsal commences in fifteen minutes.