Past continuous tense
What were they doing when you arrived?
Grandpa was watching TV __________ grandma was kintting.
What were you doing at this time yesterday?
What was Derek doing yesterday?
{"name":"Past continuous tense", "url":"https://www.quiz-maker.com/QPREVIEW","txt":"What was she doing at last night?, What were they doing when you arrived?","img":"https://cdn.poll-maker.com/62-2643835/depositphotos-18220831-stock-illustration-retro-girl-driving.jpg?sz=1200-00326014691000005300"}