Question

what is a tense how many types of tenses are there write with one exanple

Answer 1

Tense indicates an action of verb and state of being.
there are three types of tense
i.present tense
ii.past tense
iii.future tense
I am going to Patna. present
I was going to Patna. past
I will go to Patna. future

Answer 2

The concept of tense in English is a method that we use to refer to time there are three types of tense past, present and future.

past - before now

present - now, or any time that includes now

future - after