may sprain
Regular verb: sprain - sprained- sprained

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may sprain
you may sprain
she may sprain
we may sprain
you may sprain
they may sprain 	I may be spraining
you may be spraining
she may be spraining
we may be spraining
you may be spraining
they may be spraining	I may have sprained
you may have sprained
she may have sprained
we may have sprained
you may have sprained
they may have sprained	I may have been spraining
you may have been spraining
she may have been spraining
we may have been spraining
you may have been spraining
they may have been spraining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not sprain
you may not sprain
she may not sprain
we may not sprain
you may not sprain
they may not sprain 	I may not be spraining
you may not be spraining
she may not be spraining
we may not be spraining
you may not be spraining
they may not be spraining	I may not have sprained
you may not have sprained
she may not have sprained
we may not have sprained
you may not have sprained
they may not have sprained	I may not have been spraining
you may not have been spraining
she may not have been spraining
we may not have been spraining
you may not have been spraining
they may not have been spraining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I sprain?
may you sprain?
may she sprain?
may we sprain?
may you sprain?
may they sprain? 	may I be spraining?
may you be spraining?
may she be spraining?
may we be spraining?
may you be spraining?
may they be spraining? 	may I have sprained?
may you have sprained?
may she have sprained?
may we have sprained?
may you have sprained?
may they have sprained? 	may I have been spraining?
may you have been spraining?
may she have been spraining?
may we have been spraining?
may you have been spraining?
may they have been spraining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not sprain?
may you not sprain?
may she not sprain?
may we not sprain?
may you not sprain?
may they not sprain? 	may I not be spraining?
may you not be spraining?
may she not be spraining?
may we not be spraining?
may you not be spraining?
may they not be spraining? 	may I not have sprained?
may you not have sprained?
may she not have sprained?
may we not have sprained?
may you not have sprained?
may they not have sprained? 	may I not have been spraining?
may you not have been spraining?
may she not have been spraining?
may we not have been spraining?
may you not have been spraining?
may they not have been spraining?