shall catalyse
Regular verb: catalyse - catalysed- catalysed

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shan't catalyse
you shan't catalyse
he shan't catalyse
we shan't catalyse
you shan't catalyse
they shan't catalyse 	I shan't be catalysing
you shan't be catalysing
he shan't be catalysing
we shan't be catalysing
you shan't be catalysing
they shan't be catalysing	I shan't have catalysed
you shan't have catalysed
he shan't have catalysed
we shan't have catalysed
you shan't have catalysed
they shan't have catalysed	I shan't have been catalysing
you shan't have been catalysing
he shan't have been catalysing
we shan't have been catalysing
you shan't have been catalysing
they shan't have been catalysing	

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

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