might foil
Regular verb: foil - foiled- foiled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I might foil
you might foil
she might foil
we might foil
you might foil
they might foil 	I might be foiling
you might be foiling
she might be foiling
we might be foiling
you might be foiling
they might be foiling	I might have foiled
you might have foiled
she might have foiled
we might have foiled
you might have foiled
they might have foiled	I might have been foiling
you might have been foiling
she might have been foiling
we might have been foiling
you might have been foiling
they might have been foiling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mightn't foil
you mightn't foil
she mightn't foil
we mightn't foil
you mightn't foil
they mightn't foil 	I mightn't be foiling
you mightn't be foiling
she mightn't be foiling
we mightn't be foiling
you mightn't be foiling
they mightn't be foiling	I mightn't have foiled
you mightn't have foiled
she mightn't have foiled
we mightn't have foiled
you mightn't have foiled
they mightn't have foiled	I mightn't have been foiling
you mightn't have been foiling
she mightn't have been foiling
we mightn't have been foiling
you mightn't have been foiling
they mightn't have been foiling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
might I foil?
might you foil?
might she foil?
might we foil?
might you foil?
might they foil? 	might I be foiling?
might you be foiling?
might she be foiling?
might we be foiling?
might you be foiling?
might they be foiling? 	might I have foiled?
might you have foiled?
might she have foiled?
might we have foiled?
might you have foiled?
might they have foiled? 	might I have been foiling?
might you have been foiling?
might she have been foiling?
might we have been foiling?
might you have been foiling?
might they have been foiling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mightn't I foil?
mightn't you foil?
mightn't she foil?
mightn't we foil?
mightn't you foil?
mightn't they foil? 	mightn't I be foiling?
mightn't you be foiling?
mightn't she be foiling?
mightn't we be foiling?
mightn't you be foiling?
mightn't they be foiling? 	mightn't I have foiled?
mightn't you have foiled?
mightn't she have foiled?
mightn't we have foiled?
mightn't you have foiled?
mightn't they have foiled? 	mightn't I have been foiling?
mightn't you have been foiling?
mightn't she have been foiling?
mightn't we have been foiling?
mightn't you have been foiling?
mightn't they have been foiling?