What were they doing at the party? Where/sit? What/wear? What music/listen

What were they doing at the party? Что они делали на вечеринке?

Where were they sitting? Где они посиживали?

What were they wearing? Что были они одеты?

What music were they listening to? Какую музыку они слушали?

What dances were they performing? Какие танцы они исполняли?

What dish were children making? Какое блюдо дети делали?

Who was cooking fish? Кто готовил рыбу?

Past Continuous is formed with the help of the past form of the auxiliary verb to be (was, were) and ending ing.

Was is used for singular and were is used for plural.