Question

10. ride + ing =
11. run + ing =
12. save + ing =
13. sing + ing =
14. sit + ing
15. sleep + ing =
16. speak + ing -
17. stay + ing =
18. swim + ing =
19. think + ing =​

Answer 1

Explicación:

11.riding

12.running

13.sining

14.siting

15.sleeping

16.speaking

17.staying

18.swiming

19.thinking

Answer 2

Respuesta:

10. Riding.

11. Running.

12. Saving.

13. Singing.

14. Sitting.

15. Sleeping.

16. Speaking.

17. Staying.

18. Swimming.

19. Thinking.

Explicación:

Si tienes una palabra que termina en cualquier vocal esta se reemplaza por la i para la terminación ing.