I'm working. We are working. They aren't working. Are you working?
Who went school yesterday?
She went school yesterday, didn’t she?
Did she go school yesterday?
25-1 Is
2 Is
3 Are
4 Is
5 Are
6 Is
7 Is
8 Are
9 Is
10 Are
26-1 Is
2 Is
3 Are
4 Are
5 Is
6 Am
7 Are
8 Is
9 Are
10 Is
А. schools, b. pencils, books, c. school, schools, d. computer, e. computers