The Future Perfect Continuous Tense describes the future ongoing action or activities completed after a certain instant of time.
It relatively says about the action which occurs maybe in the past, present, or future and is supposed to happen in the future instant.
If we have to express any action in future perfect continuous tense, we have to think of ourselves in future tense and get back to that action which, takes place at that time instant.
Formula of Past Perfect Continuous Tense
Subject + will + have been + verb (ing) + object (optional) + time instant.
Subject + will + have been + verb (ing) + object (optional) + time instant.
Here, the helping verb “have been” used along with the modal verbs will, and the main verb is in the present participle form V+ing.
Examples,
- She will have been coming to my farmhouse.
- I will have been eating a lot of sweets at his wedding.
Sentence Structure & Rules
There are three possibilities of writing any sentence or a statement in future perfect continuous tense form,
- Positive statements
[Subject + will + have been + verb (ing) + object (optional) + time duration]
- Negative statements
[Subject + will not/ won’t + have been + verb (ing) + object (optional) + time duration]
- Yes/no type or Interrogative question statements
[Will + Subject + have been + verb (ing) + object (optional) + time duration ?]
Examples of Future perfect continuous:
Positive sentences:
| subject | Will have been | verb | object |
| John | will have been | going | to London next month. |
| He | will have been | looking | down from the terrace when she jumped. |
| We | will have been | playing | cricket when the class comes to an end. |
Negative sentences:
| Subject | Will not/won’t have been | verb | Object |
| John | will not have been | going | to London next month. |
| He | won’t have been | looking | down from the terrace when she jumped. |
| We | will not have been | playing | cricket when the class comes to an end. |
Question sentences:
| Wh-type/Will | Subject | have/not have been | verb | Object + ? |
| Will | John | have been | going | to London next month? |
| Will | he | have been | looking | down from the terrace when she jumped? |
| Why will | we | not have been | playing | cricket when the class comes to an end? |
