might quack
Regular verb: quack - quacked- quacked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I might quack
you might quack
she might quack
we might quack
you might quack
they might quack 	I might be quacking
you might be quacking
she might be quacking
we might be quacking
you might be quacking
they might be quacking	I might have quacked
you might have quacked
she might have quacked
we might have quacked
you might have quacked
they might have quacked	I might have been quacking
you might have been quacking
she might have been quacking
we might have been quacking
you might have been quacking
they might have been quacking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mightn't quack
you mightn't quack
she mightn't quack
we mightn't quack
you mightn't quack
they mightn't quack 	I mightn't be quacking
you mightn't be quacking
she mightn't be quacking
we mightn't be quacking
you mightn't be quacking
they mightn't be quacking	I mightn't have quacked
you mightn't have quacked
she mightn't have quacked
we mightn't have quacked
you mightn't have quacked
they mightn't have quacked	I mightn't have been quacking
you mightn't have been quacking
she mightn't have been quacking
we mightn't have been quacking
you mightn't have been quacking
they mightn't have been quacking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
might I quack?
might you quack?
might she quack?
might we quack?
might you quack?
might they quack? 	might I be quacking?
might you be quacking?
might she be quacking?
might we be quacking?
might you be quacking?
might they be quacking? 	might I have quacked?
might you have quacked?
might she have quacked?
might we have quacked?
might you have quacked?
might they have quacked? 	might I have been quacking?
might you have been quacking?
might she have been quacking?
might we have been quacking?
might you have been quacking?
might they have been quacking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mightn't I quack?
mightn't you quack?
mightn't she quack?
mightn't we quack?
mightn't you quack?
mightn't they quack? 	mightn't I be quacking?
mightn't you be quacking?
mightn't she be quacking?
mightn't we be quacking?
mightn't you be quacking?
mightn't they be quacking? 	mightn't I have quacked?
mightn't you have quacked?
mightn't she have quacked?
mightn't we have quacked?
mightn't you have quacked?
mightn't they have quacked? 	mightn't I have been quacking?
mightn't you have been quacking?
mightn't she have been quacking?
mightn't we have been quacking?
mightn't you have been quacking?
mightn't they have been quacking?