Упражнение 2. Составьте предложения во Future Perfect Continuous.
been / will / the New Year / a teacher / for / working / by / Andrew / have / as / 15 years.
for / Mark / before / will / been / at the conference / Moscow / leaves / working / he / have / for 2 days.
for / at Christmas / writing / will / she / have / her / new / been / novel / seven years?
go / the competition / for / their / before / training / have / they / to / coach / will / been / them / three months.