might ascertain
Verbo regular: ascertain - ascertained- ascertained

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I might ascertain
you might ascertain
he might ascertain
we might ascertain
you might ascertain
they might ascertain 	I might be ascertaining
you might be ascertaining
he might be ascertaining
we might be ascertaining
you might be ascertaining
they might be ascertaining	I might have ascertained
you might have ascertained
he might have ascertained
we might have ascertained
you might have ascertained
they might have ascertained	I might have been ascertaining
you might have been ascertaining
he might have been ascertaining
we might have been ascertaining
you might have been ascertaining
they might have been ascertaining	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mightn't ascertain
you mightn't ascertain
he mightn't ascertain
we mightn't ascertain
you mightn't ascertain
they mightn't ascertain 	I mightn't be ascertaining
you mightn't be ascertaining
he mightn't be ascertaining
we mightn't be ascertaining
you mightn't be ascertaining
they mightn't be ascertaining	I mightn't have ascertained
you mightn't have ascertained
he mightn't have ascertained
we mightn't have ascertained
you mightn't have ascertained
they mightn't have ascertained	I mightn't have been ascertaining
you mightn't have been ascertaining
he mightn't have been ascertaining
we mightn't have been ascertaining
you mightn't have been ascertaining
they mightn't have been ascertaining	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
might I ascertain?
might you ascertain?
might he ascertain?
might we ascertain?
might you ascertain?
might they ascertain? 	might I be ascertaining?
might you be ascertaining?
might he be ascertaining?
might we be ascertaining?
might you be ascertaining?
might they be ascertaining? 	might I have ascertained?
might you have ascertained?
might he have ascertained?
might we have ascertained?
might you have ascertained?
might they have ascertained? 	might I have been ascertaining?
might you have been ascertaining?
might he have been ascertaining?
might we have been ascertaining?
might you have been ascertaining?
might they have been ascertaining? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mightn't I ascertain?
mightn't you ascertain?
mightn't he ascertain?
mightn't we ascertain?
mightn't you ascertain?
mightn't they ascertain? 	mightn't I be ascertaining?
mightn't you be ascertaining?
mightn't he be ascertaining?
mightn't we be ascertaining?
mightn't you be ascertaining?
mightn't they be ascertaining? 	mightn't I have ascertained?
mightn't you have ascertained?
mightn't he have ascertained?
mightn't we have ascertained?
mightn't you have ascertained?
mightn't they have ascertained? 	mightn't I have been ascertaining?
mightn't you have been ascertaining?
mightn't he have been ascertaining?
mightn't we have been ascertaining?
mightn't you have been ascertaining?
mightn't they have been ascertaining?