would substitute
Regular verb: substitute - substituted- substituted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd substitute
you'd substitute
he'd substitute
we'd substitute
you'd substitute
they'd substitute 	I'd be substituting
you'd be substituting
he'd be substituting
we'd be substituting
you'd be substituting
they'd be substituting	I would've substituted
you would've substituted
he would've substituted
we would've substituted
you would've substituted
they would've substituted	I would've been substituting
you would've been substituting
he would've been substituting
we would've been substituting
you would've been substituting
they would've been substituting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I wouldn't substitute
you wouldn't substitute
he wouldn't substitute
we wouldn't substitute
you wouldn't substitute
they wouldn't substitute 	I wouldn't be substituting
you wouldn't be substituting
he wouldn't be substituting
we wouldn't be substituting
you wouldn't be substituting
they wouldn't be substituting	I wouldn't have substituted
you wouldn't have substituted
he wouldn't have substituted
we wouldn't have substituted
you wouldn't have substituted
they wouldn't have substituted	I wouldn't have been substituting
you wouldn't have been substituting
he wouldn't have been substituting
we wouldn't have been substituting
you wouldn't have been substituting
they wouldn't have been substituting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I substitute?
would you substitute?
would he substitute?
would we substitute?
would you substitute?
would they substitute? 	would I be substituting?
would you be substituting?
would he be substituting?
would we be substituting?
would you be substituting?
would they be substituting? 	would I have substituted?
would you have substituted?
would he have substituted?
would we have substituted?
would you have substituted?
would they have substituted? 	would I have been substituting?
would you have been substituting?
would he have been substituting?
would we have been substituting?
would you have been substituting?
would they have been substituting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
wouldn't I substitute?
wouldn't you substitute?
wouldn't he substitute?
wouldn't we substitute?
wouldn't you substitute?
wouldn't they substitute? 	wouldn't I be substituting?
wouldn't you be substituting?
wouldn't he be substituting?
wouldn't we be substituting?
wouldn't you be substituting?
wouldn't they be substituting? 	wouldn't I have substituted?
wouldn't you have substituted?
wouldn't he have substituted?
wouldn't we have substituted?
wouldn't you have substituted?
wouldn't they have substituted? 	wouldn't I have been substituting?
wouldn't you have been substituting?
wouldn't he have been substituting?
wouldn't we have been substituting?
wouldn't you have been substituting?
wouldn't they have been substituting?