Future perfect continuous tense

Affirmative

Rule: Subject +will/shall+have+been+V1ing+ object+for/since+time.

Examples: we will have been reading books since morning.
She will have been reading books for two days.

  Negative

Rule: Subject+will/shall+have+not+been+V1ing+ object+for/since+time.

Examples: she will not have been reading books for two hours.
They will not have been reading books for many years.
Singular = have not
Plural = have not

Interrogative

Rule: Will/Shall+ subject+have+ been+v1ing+ object+for/since+time?

Examples: Will you have been liking me since 2015?
Will she have been liking me for many months?

Wh Family

Rule: wh+will/shall+subject+have+v1ing+object+for/since+time?

Examples: why will you have been liking him for three years?
Where will she have been playing cricket since morning?