Question

write about future perfect continous tense

Answer 1

Future perfect continuous is used to express actions which will be in progress over a period of time that will end in the future
For e.g. By next march we shall have been living here for four years.

Answer 2

here is ur answer_____
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future PERFECT continuous tenses : FORM
>>>Will / shall + HAVE BEEN + _ing form of the verb .

EXAMPLE >>by 5 o clock you WILL HAVE BEEN READING that novel for three hours.

FUTURE Perfect CONTINOUS : USES
This tense is used to express an action which will begin before a definite moment in the future , will continue up to that moment and will be in progress even at that moment ..:

by 5 p.m I shall have been riding a bicycle for two hours .