1. walked, didn't walk
1. walked, didn't walk2. studied, didn't study
1. walked, didn't walk2. studied, didn't study3. helped, didn't help
1. walked, didn't walk2. studied, didn't study3. helped, didn't help 4. played, didn't play
1. walked, didn't walk2. studied, didn't study3. helped, didn't help 4. played, didn't play5. booked, didn't book
1. walked, didn't walk2. studied, didn't study3. helped, didn't help 4. played, didn't play5. booked, didn't book6. painted, didn't paint
1. walked, didn't walk2. studied, didn't study3. helped, didn't help 4. played, didn't play5. booked, didn't book6. painted, didn't paint7. worked, didn't work
1. walked, didn't walk2. studied, didn't study3. helped, didn't help 4. played, didn't play5. booked, didn't book6. painted, didn't paint7. worked, didn't work8. showed, didn't show
