To be - questions in the present 10

Another 'to be' lesson is about questions. Do you remember positive and negative forms of this verb? I hope you didn't have problems with the exercises. If you haven't done them yet or want to brush up your knowledge click:  to be-positives and to be-negatives
Polish: Kolejna lekcja poświęcona jest pytaniom. Pamietasz zdania twierd...