Образуйте форму Past Perfect Continuous от следующих глаголов: To joke, to

To joke had been joked;
to laugh had been laughed;
to celebrate had been celebrated;
to run had been run;
to lie had been lain;
to hang had been hung;
to burn had been burnt;
to keep had been kept;
to play had been played;
to look had been looked;
to sing had been sung;
to dance had been danced;
to swim had been swum;
to lie in the sun had been lain in the sun.

To be busy was/were busy;
to be hungry was/were hungry;
to be happy was/were happy;
to be right was/were right;
to be wrong was/were wrong;
to be sure was/were sure;
to be born was/were born.