- Some children haven't taken a ride on a merry-go-round yet.
- Has your brother ever been to a summer camp?
- My sister and I have already made some new friend at the camp.
- Your family and you have never gone sailing and wave riding.
- What have Simon and Sally done yet on holidays?
Ответ: 1. haven't taken yet, 2. Has ever been, 3. have already made, 4. have never gone, 5. have done yet