ভবিষ্যতে কোন সময়ের মধ্যে কোন কাজ চলতে থাকবে বোঝালে Future perfect continuous tense হয় । গঠনপ্রণালী : Subject + shall have been/will have been+ verb + ing.
চেনার উপায় : কিছুকাল ধরে কোন কাজ চলতে থাকবে । ইংরেজিতে shall have been/will have been + verb + ing. উদাহরণ :
(i) He will have been studying at Dhaka university when he gets his degree.
(ii) By next january we shall have been living here for three years.
(iii) I shall have been doing the work before my father comes.