might whiten
Regular verb: whiten - whitened- whitened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I might whiten
you might whiten
she might whiten
we might whiten
you might whiten
they might whiten 	I might be whitening
you might be whitening
she might be whitening
we might be whitening
you might be whitening
they might be whitening	I might have whitened
you might have whitened
she might have whitened
we might have whitened
you might have whitened
they might have whitened	I might have been whitening
you might have been whitening
she might have been whitening
we might have been whitening
you might have been whitening
they might have been whitening	

Negation 	
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I mightn't whiten
you mightn't whiten
she mightn't whiten
we mightn't whiten
you mightn't whiten
they mightn't whiten 	I mightn't be whitening
you mightn't be whitening
she mightn't be whitening
we mightn't be whitening
you mightn't be whitening
they mightn't be whitening	I mightn't have whitened
you mightn't have whitened
she mightn't have whitened
we mightn't have whitened
you mightn't have whitened
they mightn't have whitened	I mightn't have been whitening
you mightn't have been whitening
she mightn't have been whitening
we mightn't have been whitening
you mightn't have been whitening
they mightn't have been whitening	

Interrogative form 	
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might I whiten?
might you whiten?
might she whiten?
might we whiten?
might you whiten?
might they whiten? 	might I be whitening?
might you be whitening?
might she be whitening?
might we be whitening?
might you be whitening?
might they be whitening? 	might I have whitened?
might you have whitened?
might she have whitened?
might we have whitened?
might you have whitened?
might they have whitened? 	might I have been whitening?
might you have been whitening?
might she have been whitening?
might we have been whitening?
might you have been whitening?
might they have been whitening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mightn't I whiten?
mightn't you whiten?
mightn't she whiten?
mightn't we whiten?
mightn't you whiten?
mightn't they whiten? 	mightn't I be whitening?
mightn't you be whitening?
mightn't she be whitening?
mightn't we be whitening?
mightn't you be whitening?
mightn't they be whitening? 	mightn't I have whitened?
mightn't you have whitened?
mightn't she have whitened?
mightn't we have whitened?
mightn't you have whitened?
mightn't they have whitened? 	mightn't I have been whitening?
mightn't you have been whitening?
mightn't she have been whitening?
mightn't we have been whitening?
mightn't you have been whitening?
mightn't they have been whitening?