Составить 10 предложений с past perfect continuos

1) We had been translating texts from English into Russian since we learnt new words.
2) We had been writing tests before we learnt new grammar material.
3) We had been reading different scientific articles before we watched TV programme.
4) They had been drawing many pictures before they went for a walk.
5) He had been doing sums for some time before he did English homework .
6) The children he  had been jumping and running all day long before they went to bed .
7) We had been singing merry songs before he came.
8) She had been watching educational films before she watched a film.
9) We had been relaxing at the beach before we came back home.
10) We had been learning many poems by heart at our Literature lessons before we wrote a test.