Образуйте форму Past Perfect Continuous от следующих глаголов:
To joke, to laugh, to celebrate, to run, to lie, to hang, to burn, to keep, to play, to look, to sing, to dance, to swim, to lie in the sun.

Проспрягайте в Past Simple глагол to be в данных сочетаниях:
to be busy, to be hungry, to be happy, to be right, to be wrong, to be sure, to be born.

had been joking, had been laughing, had been celebrating, had been running, had been lying, had been hanging, had been burning, had been keeping, had been playing, had been looking, had been singing, had been dancing, had been swiming, had been lying in the sunwas/were busywas/were hungrywas/were happywas/were rightwas/were wrongwas/were surewas/were born*Если I/He/She/It употребляется wasЕсли You/We/They употребляется were  

Had been joking, had been laughing, had been running, had been lying, had been hanging, had bren burning, had been keeping, had been playing, had been looking, had been singing, had been dancing, had been swiming, had been lying in the sun. Was/ were busy, was/were hungry, was/ were happy, was/were right, was/were wrong, was/were sure, was/were born