Образуйте форму Past Perfect Continuous от следующих глаголов: To joke, to laugh, to celebrate, to run, to lie, to hang,

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.