would understand
Irregular verb: understand - understood- understood

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd understand
you'd understand
he'd understand
we'd understand
you'd understand
they'd understand 	I'd be understanding
you'd be understanding
he'd be understanding
we'd be understanding
you'd be understanding
they'd be understanding	I would've understood
you would've understood
he would've understood
we would've understood
you would've understood
they would've understood	I would've been understanding
you would've been understanding
he would've been understanding
we would've been understanding
you would've been understanding
they would've been understanding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I wouldn't understand
you wouldn't understand
he wouldn't understand
we wouldn't understand
you wouldn't understand
they wouldn't understand 	I wouldn't be understanding
you wouldn't be understanding
he wouldn't be understanding
we wouldn't be understanding
you wouldn't be understanding
they wouldn't be understanding	I wouldn't have understood
you wouldn't have understood
he wouldn't have understood
we wouldn't have understood
you wouldn't have understood
they wouldn't have understood	I wouldn't have been understanding
you wouldn't have been understanding
he wouldn't have been understanding
we wouldn't have been understanding
you wouldn't have been understanding
they wouldn't have been understanding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I understand?
would you understand?
would he understand?
would we understand?
would you understand?
would they understand? 	would I be understanding?
would you be understanding?
would he be understanding?
would we be understanding?
would you be understanding?
would they be understanding? 	would I have understood?
would you have understood?
would he have understood?
would we have understood?
would you have understood?
would they have understood? 	would I have been understanding?
would you have been understanding?
would he have been understanding?
would we have been understanding?
would you have been understanding?
would they have been understanding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
wouldn't I understand?
wouldn't you understand?
wouldn't he understand?
wouldn't we understand?
wouldn't you understand?
wouldn't they understand? 	wouldn't I be understanding?
wouldn't you be understanding?
wouldn't he be understanding?
wouldn't we be understanding?
wouldn't you be understanding?
wouldn't they be understanding? 	wouldn't I have understood?
wouldn't you have understood?
wouldn't he have understood?
wouldn't we have understood?
wouldn't you have understood?
wouldn't they have understood? 	wouldn't I have been understanding?
wouldn't you have been understanding?
wouldn't he have been understanding?
wouldn't we have been understanding?
wouldn't you have been understanding?
wouldn't they have been understanding?