FUTURE PERFECT AND FUTURE CONTINUOUS
Future Perfect
Something that will finish before a specific time in the future
Is often used in conjuction with the tihe time expression by...meaning "at least"
By Saturday
In to weeks
In the near future
By the end of a year
WILL +HAVE+PAST.PARTICIPLE
I´ll have finished this report by the end of the week.
Future Continuous
USE
Something that will be in progress at around a specific time in future
When you don´t want to express the idea that the action is part of a particular plan or intention
TIME EXPRESSIONS
While
When
This time tomorrow
This next week
In the afternoon
Next Month
WILL +BE+ING
I´ll be driving home when you call, so just leave me a message