The future tense is a verb tense used for a future activity or a future state of being.
- I will jump in the lake - This is a future activity
- I will be happy - This is a future state of being
Simple future tense indicates an action that will happen in the future. A simple future tense is formed by using the helping verb will (or shall) with the base form of the verb.
- The dog will bark at the mailman.
- I shall clean my room.
- I will fold the laundry.
- I will work hard.
- She will mop the floor.