Question

past tense present tense future tense

Answer 1

past tence : a tense expressing an action that has happened or a state that previously existed.
present tence : a tense expressing an action that is currently going on or habitually performed, or a state that currently or generally exists.
future tence : a tense expressing an action that has not yet happened or a state that does not yet exist.

Answer 2

past tense is the that which is already happened and present tense is something that is happening and future tense is that that will happen