English verb conjugation
MIGHT SUM

Regular verb: sum - summed - summed

Affirmation

Simple form	V-ing form
I might sum you might sum he might sum we might sum you might sum they might sum	I might be summing you might be summing he might be summing we might be summing you might be summing they might be summing
Perfect	V-ing perfect
I might have summed you might have summed he might have summed we might have summed you might have summed they might have summed	I might have been summing you might have been summing he might have been summing we might have been summing you might have been summing they might have been summing

Negation

Simple form	V-ing form
I might not sum you might not sum he might not sum we might not sum you might not sum they might not sum	I might not be summing you might not be summing he might not be summing we might not be summing you might not be summing they might not be summing
Perfect	V-ing perfect
I might not have summed you might not have summed he might not have summed we might not have summed you might not have summed they might not have summed	I might not have been summing you might not have been summing he might not have been summing we might not have been summing you might not have been summing they might not have been summing

Interrogative form

Simple form	V-ing form
might I sum? might you sum? might he sum? might we sum? might you sum? might they sum?	might I be summing? might you be summing? might he be summing? might we be summing? might you be summing? might they be summing?
Perfect	V-ing perfect
might I have summed? might you have summed? might he have summed? might we have summed? might you have summed? might they have summed?	might I have been summing? might you have been summing? might he have been summing? might we have been summing? might you have been summing? might they have been summing?

Interro-negative form

Simple form	V-ing form
might I not sum? might you not sum? might he not sum? might we not sum? might you not sum? might they not sum?	might I not be summing? might you not be summing? might he not be summing? might we not be summing? might you not be summing? might they not be summing?
Perfect	V-ing perfect
might I not have summed? might you not have summed? might he not have summed? might we not have summed? might you not have summed? might they not have summed?	might I not have been summing? might you not have been summing? might he not have been summing? might we not have been summing? might you not have been summing? might they not have been summing?