would catalyse
Regular verb: catalyse - catalysed- catalysed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I would catalyse
you would catalyse
he would catalyse
we would catalyse
you would catalyse
they would catalyse 	I would be catalysing
you would be catalysing
he would be catalysing
we would be catalysing
you would be catalysing
they would be catalysing	I would have catalysed
you would have catalysed
he would have catalysed
we would have catalysed
you would have catalysed
they would have catalysed	I would have been catalysing
you would have been catalysing
he would have been catalysing
we would have been catalysing
you would have been catalysing
they would have been catalysing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I would not catalyse
you would not catalyse
he would not catalyse
we would not catalyse
you would not catalyse
they would not catalyse 	I would not be catalysing
you would not be catalysing
he would not be catalysing
we would not be catalysing
you would not be catalysing
they would not be catalysing	I would not have catalysed
you would not have catalysed
he would not have catalysed
we would not have catalysed
you would not have catalysed
they would not have catalysed	I would not have been catalysing
you would not have been catalysing
he would not have been catalysing
we would not have been catalysing
you would not have been catalysing
they would not have been catalysing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I catalyse?
would you catalyse?
would he catalyse?
would we catalyse?
would you catalyse?
would they catalyse? 	would I be catalysing?
would you be catalysing?
would he be catalysing?
would we be catalysing?
would you be catalysing?
would they be catalysing? 	would I have catalysed?
would you have catalysed?
would he have catalysed?
would we have catalysed?
would you have catalysed?
would they have catalysed? 	would I have been catalysing?
would you have been catalysing?
would he have been catalysing?
would we have been catalysing?
would you have been catalysing?
would they have been catalysing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I not catalyse?
would you not catalyse?
would he not catalyse?
would we not catalyse?
would you not catalyse?
would they not catalyse? 	would I not be catalysing?
would you not be catalysing?
would he not be catalysing?
would we not be catalysing?
would you not be catalysing?
would they not be catalysing? 	would I not have catalysed?
would you not have catalysed?
would he not have catalysed?
would we not have catalysed?
would you not have catalysed?
would they not have catalysed? 	would I not have been catalysing?
would you not have been catalysing?
would he not have been catalysing?
would we not have been catalysing?
would you not have been catalysing?
would they not have been catalysing?