might overstrain
Regular verb: overstrain - overstrained- overstrained

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I might overstrain
you might overstrain
he might overstrain
we might overstrain
you might overstrain
they might overstrain 	I might be overstraining
you might be overstraining
he might be overstraining
we might be overstraining
you might be overstraining
they might be overstraining	I might have overstrained
you might have overstrained
he might have overstrained
we might have overstrained
you might have overstrained
they might have overstrained	I might have been overstraining
you might have been overstraining
he might have been overstraining
we might have been overstraining
you might have been overstraining
they might have been overstraining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mightn't overstrain
you mightn't overstrain
he mightn't overstrain
we mightn't overstrain
you mightn't overstrain
they mightn't overstrain 	I mightn't be overstraining
you mightn't be overstraining
he mightn't be overstraining
we mightn't be overstraining
you mightn't be overstraining
they mightn't be overstraining	I mightn't have overstrained
you mightn't have overstrained
he mightn't have overstrained
we mightn't have overstrained
you mightn't have overstrained
they mightn't have overstrained	I mightn't have been overstraining
you mightn't have been overstraining
he mightn't have been overstraining
we mightn't have been overstraining
you mightn't have been overstraining
they mightn't have been overstraining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
might I overstrain?
might you overstrain?
might he overstrain?
might we overstrain?
might you overstrain?
might they overstrain? 	might I be overstraining?
might you be overstraining?
might he be overstraining?
might we be overstraining?
might you be overstraining?
might they be overstraining? 	might I have overstrained?
might you have overstrained?
might he have overstrained?
might we have overstrained?
might you have overstrained?
might they have overstrained? 	might I have been overstraining?
might you have been overstraining?
might he have been overstraining?
might we have been overstraining?
might you have been overstraining?
might they have been overstraining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mightn't I overstrain?
mightn't you overstrain?
mightn't he overstrain?
mightn't we overstrain?
mightn't you overstrain?
mightn't they overstrain? 	mightn't I be overstraining?
mightn't you be overstraining?
mightn't he be overstraining?
mightn't we be overstraining?
mightn't you be overstraining?
mightn't they be overstraining? 	mightn't I have overstrained?
mightn't you have overstrained?
mightn't he have overstrained?
mightn't we have overstrained?
mightn't you have overstrained?
mightn't they have overstrained? 	mightn't I have been overstraining?
mightn't you have been overstraining?
mightn't he have been overstraining?
mightn't we have been overstraining?
mightn't you have been overstraining?
mightn't they have been overstraining?