Tense is a form of verb that specify the time of action.

Tense has a very significant role in the sentence as no sentence is complete without denoting the time of action. In a sentence it is the verb that conveys the time of action by changing its form.

There are three types of tense. They are:

Present Tense: refers to action that takes place in the present time.

For example: He sings a song.

Past Tense: refers to action that took place in the past time.

For example: He sang a song.

Future Tense: refers to action that will take place in the future time.

For example: He will sing a song tomorrow.