Present tense is event happening currently and now. There are four phases of each part of Speech. Some examples are :-
Present Simple Tense: He goes to school. Present Perfect Tense: Jessy has gone to school. Present Continuous Tense: Jessy is going to school. Present Perfect Continuous: Jessy has been going to school.
Past Tense likewise is an event that has happened prior to the present and is now a part of the past. Some examples are:
Past Simple: Jacob went to school. Past Perfect: Jacob had gone to school. Past Continuous Tense: Jacob was going to school. Past Perfect Continuous: Jacob had been going to school.
Future tense describes an event that is about to happen in the future and has not come to be realized yet:
Future Simple: He will go to school. Future Perfect: Jenny will have to school. Future Continuous: Jenny will be going to school. Future Perfect Continuous: Jenny will have been going to school.