She swims in the river in summer.
Does she swim in the river in summer?
She swims in the river in summer,doesn't she?
Where does she swim in summer?
When does she swim in the river?
What does she do in in summer?
They ate chocolate sweets yesterday.
Did they eat chocolate sweets yesterday?
When did they eat chocolate sweets ?
Did they eat chocolate sweets or fruits yesterday?
What did they do yesterday?
What did they eat yesterday?