Will + have + been+ verb-ing

Ex. Stacey will have been dreaming about the end of class for an hour by 10:00 AM.

Negative Add not after will Stacey will NOT have been dreaming

about the end of class for an hour by 10:00 AM.

teach hope kiss drive Will have been teaching Will have been hoping Will have been kissing Will have been driving

Yes/No: Move will to the front of the sentence

Will Stacey have been dreaming about the end of class for an hour by 10:00AM?

Wh-questions: Move the wh-question word to the front of the yes/no question form.

Where will Stacey have been dreaming about the end of class for an hour by 10:00AM?

The Future Perfect Continuous emphasizes the duration of an action or a habitual action before another time in the future. The length of time is usually given in the sentence. We often use for or since with the future perfect continuous.

Ex. By the time you read this, you will have been listening to Vicki for several hours.

The future continuous emphasizes the duration of an action or a habitual action at or after another future time.

Ex. Ma will be shaking her head as Vicki explains this.

The future perfect continuous may begin at any time before the other future action; it may even begin in the past.

At the end of the semester, Yone will have been dreaming about soccer since last June.

Do not use future perfect continuous of future continuous with non-action verbs.

The future continuous may be used alone without another future time in the sentence. In this way we may use the word for to indicate the length of time.

Ex. Yone’s mother-in-law will be staying with him for several months.

Do not use since with future continuous.

The simple present (meaning the future) is often used in the subordinate clauses of sentences that have the future perfect continuous in the main clauses.

Dependent Clause Main Clause

Ex. By the time you see this, we will have been sleeping in this class for several hours.