what is the formula of future perfect continous
The formula for Future Perfect Continuous Tense:
Subject + will have been + Verb1 + ing
Subject + be going to have been + Verb1 + ing
what is the formula of future perfect continous
The formula for Future Perfect Continuous Tense:
Subject + will have been + Verb1 + ing
Subject + be going to have been + Verb1 + ing