Victor visited his friend yesterday. - Did Victor visit his friend yesterday?
My sister Polly is working in the garden now. - Is my sister Polly working or having a rest in the garden now?
The boys read an interesting text last week. - Who read an interesting text last week?
Liz and Fred always do their homework. - When do Liz and Fred always do their homework?
Megan doesn’t speak English. - Megan doesn’t speak English, does she?