Употребите глагол в скобках в Future Perfect Continuous.
1) By the end of this month we (learn) this language for ten years. 2) When my daughter goes to school we (live) here for over five years. 3) When the new century begins, they (reconstruct) this church for nearly 25 years. 4) If nobody stops him, he (grumble) for hours. 5) We can get there at 7 at the earliest. They will be painting the fence. If we arrive at 8.30, they (paint) it for 3 hours at least; and if we come at 9.30, they will have probably finished the work.