Tenses are defined as a thing to show the Time of action.
There are three types of tenses
Present-The actions which are in current situation.
Keywords- is,am are
Example- Iam working in infosys.
Future– this topic will explain the actions that are going to happen.
Keywords- will ,shall etc
Example-I will come tommoro early in the morning
Past– This Topic will explain about the things that are happened.
Example-I had done my break fast.