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.