would sum
Regular verb: sum - summed- summed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd sum
you'd sum
he'd sum
we'd sum
you'd sum
they'd sum 	I'd be summing
you'd be summing
he'd be summing
we'd be summing
you'd be summing
they'd be summing	I would've summed
you would've summed
he would've summed
we would've summed
you would've summed
they would've summed	I would've been summing
you would've been summing
he would've been summing
we would've been summing
you would've been summing
they would've been summing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I wouldn't sum
you wouldn't sum
he wouldn't sum
we wouldn't sum
you wouldn't sum
they wouldn't sum 	I wouldn't be summing
you wouldn't be summing
he wouldn't be summing
we wouldn't be summing
you wouldn't be summing
they wouldn't be summing	I wouldn't have summed
you wouldn't have summed
he wouldn't have summed
we wouldn't have summed
you wouldn't have summed
they wouldn't have summed	I wouldn't have been summing
you wouldn't have been summing
he wouldn't have been summing
we wouldn't have been summing
you wouldn't have been summing
they wouldn't have been summing	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
wouldn't I sum?
wouldn't you sum?
wouldn't he sum?
wouldn't we sum?
wouldn't you sum?
wouldn't they sum? 	wouldn't I be summing?
wouldn't you be summing?
wouldn't he be summing?
wouldn't we be summing?
wouldn't you be summing?
wouldn't they be summing? 	wouldn't I have summed?
wouldn't you have summed?
wouldn't he have summed?
wouldn't we have summed?
wouldn't you have summed?
wouldn't they have summed? 	wouldn't I have been summing?
wouldn't you have been summing?
wouldn't he have been summing?
wouldn't we have been summing?
wouldn't you have been summing?
wouldn't they have been summing?