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.

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.