Раскройте скобки, употребив глагол во future perfect continuous. by next week the group (shoot) their clip for twenty days. by easter sandy and malory (work) together for 7 years. in some minutes, fred (wait) for 2 hours already. we’ll be halfway through our swim in an hour so we (swim) non-stop for 48 hours. if melissa is still on the phone at 5pm, fred (to talk) to her for over six hours. by the time mike arrives, megan (read) the funny book for 4 hours. by july the stevensons (build) their cottage for a year. if nobody stops fred, he (grumble) till night.

By next week the group will have been shooting their clip for twenty days.
By Easter Sandy and Malory will have been working together for 7 years. 
In some minutes, Fred will have been waiting for 2 hours already. 
We’ll be halfway through our swim in an hour so we will have been swimming non-stop for 48 hours.
If Melissa is still on the phone at 5pm, Fred will have been talking to her for over six hours. By the time Mike arrives, Megan will have been reading the funny book for 4 hours. 
By July the Stevensons will have been building their cottage for a year. 
If nobody stops Fred, he will have been grumbling till night.