English verb conjugation
MIGHT LENGTHEN

Regular verb: lengthen - lengthened - lengthened

Affirmation

Simple form	V-ing form
I might lengthen you might lengthen she might lengthen we might lengthen you might lengthen they might lengthen	I might be lengthening you might be lengthening she might be lengthening we might be lengthening you might be lengthening they might be lengthening
Perfect	V-ing perfect
I might have lengthened you might have lengthened she might have lengthened we might have lengthened you might have lengthened they might have lengthened	I might have been lengthening you might have been lengthening she might have been lengthening we might have been lengthening you might have been lengthening they might have been lengthening

Negation

Simple form	V-ing form
I mightn't lengthen you mightn't lengthen she mightn't lengthen we mightn't lengthen you mightn't lengthen they mightn't lengthen	I mightn't be lengthening you mightn't be lengthening she mightn't be lengthening we mightn't be lengthening you mightn't be lengthening they mightn't be lengthening
Perfect	V-ing perfect
I mightn't have lengthened you mightn't have lengthened she mightn't have lengthened we mightn't have lengthened you mightn't have lengthened they mightn't have lengthened	I mightn't have been lengthening you mightn't have been lengthening she mightn't have been lengthening we mightn't have been lengthening you mightn't have been lengthening they mightn't have been lengthening

Interrogative form

Simple form	V-ing form
might I lengthen? might you lengthen? might she lengthen? might we lengthen? might you lengthen? might they lengthen?	might I be lengthening? might you be lengthening? might she be lengthening? might we be lengthening? might you be lengthening? might they be lengthening?
Perfect	V-ing perfect
might I have lengthened? might you have lengthened? might she have lengthened? might we have lengthened? might you have lengthened? might they have lengthened?	might I have been lengthening? might you have been lengthening? might she have been lengthening? might we have been lengthening? might you have been lengthening? might they have been lengthening?

Interro-negative form

Simple form	V-ing form
mightn't I lengthen? mightn't you lengthen? mightn't she lengthen? mightn't we lengthen? mightn't you lengthen? mightn't they lengthen?	mightn't I be lengthening? mightn't you be lengthening? mightn't she be lengthening? mightn't we be lengthening? mightn't you be lengthening? mightn't they be lengthening?
Perfect	V-ing perfect
mightn't I have lengthened? mightn't you have lengthened? mightn't she have lengthened? mightn't we have lengthened? mightn't you have lengthened? mightn't they have lengthened?	mightn't I have been lengthening? mightn't you have been lengthening? mightn't she have been lengthening? mightn't we have been lengthening? mightn't you have been lengthening? mightn't they have been lengthening?