Future Perfect Continuous Tense in English Grammar:

The Future Perfect Continuous Tense is also known as the Future Perfect Progressive Tense.  It is used for an action that will continue over a period of time that will end in the future.

Future Perfect Continuous Tense Structure and Formula: (Rules)

Signal words:

For two hours, (when or by with the present simple)

Usage of the Future Perfect Continuous Tense:

It is used to express an action that will be in progress over a period of time that will end in the future.

 Examples:

• By the next month, I shall have been working here for 5 years.
• They will have been living here for 10 years by the end of the month. 
• When he arrives, the students will have been attending the classes all day.

Introduction to the Tenses

The Present Simple

Present Continuous

Present Perfect

The Present Perfect Continuous

The Past Simple

Past Continuous  

The Past Perfect  

Past Perfect Continuous 

The Future Simple

Future Continuous  

The Future Perfect  

Future Perfect Continuous