What is tense?

• The Time of accomplishing any action of a verb is called Tense.
  
  If you want to say it more simply, you can say it:
• Tense is the backbone of Grammar.

There are three types of tenses:

1. Present Tense.
2. Past Tense.
3. Future Tense.

Each of them has four types:

1. Simple / Indefinite Tense.
2. Continuous Tense.
3. Perfect Tense.
4. Perfect Continuous Tense.

Tense Structure Here:

Present Tense Structure:

1. Present Indefinite Tense:
   Sub + v1 + extension.
2. Present Continuous Tense:
   Sub + am / is / are + v1 + ing + extension.
3. Present Perfect Tense:
   Sub + have / has + v3 + extension.
4. Present Perfect Continuous:
   Sub + have been / has been + v1 + ing + extension.
   এখানে Since, For এর একটা ব্যবহার আছে।

Past Tense Structure:

1. Past Indefinite Tense:
   Sub + v2 + extension.
2. Past continuous Tense:
   Sub + was / were + v1 + ing + extension.
3. Past Perfect Tense:
   Sub + had + v3 + extension.
4. Past Perfect Continuous Tense:
   Sub + had been + v1 + ing + extension.

Future Tense Structure:

1. Future Indefinite Tense:
   Sub + shall / will + v1 + extension.
2. Future Continuous Tense:
   Sub + shall be / will be + v1 + ing + extension.
3. Future Perfect Tense:
   Sub + shall have / will have + v3 + extension.
4. Future Perfect Continuous Tense:
   Sub + shall have been / will have been + v1 + ing + extension.