Define the sequence of tenses

TENSE :- tense is a category that expresses time reference with reference to the moment of speaking. Tenses are usually manifested by the use of specific forms of verbs, particularly in their conjugation patterns. Main tenses found in many languages include the past, present, and future. PRESENT TENSE :- a tense expressing an action that is going on or habitually performed, or a state that currently or generally exists. Formula :- 1st form + s/es PRESENT CONTINUOUS TENSE :- Present Continuous Tense narrates an action which is being continued or going to be continued in the near future. It uses am/is/are and “ing” is added with the verb . Formula :- subject + is/am/are + 1st form + ing .