can catalyse
Verbe régulier : catalyse - catalysed- catalysed
Traduction française : (UK) catalyser 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can catalyse
you can catalyse
he can catalyse
we can catalyse
you can catalyse
they can catalyse 	I can be catalysing
you can be catalysing
he can be catalysing
we can be catalysing
you can be catalysing
they can be catalysing	I can have catalysed
you can have catalysed
he can have catalysed
we can have catalysed
you can have catalysed
they can have catalysed	I can have been catalysing
you can have been catalysing
he can have been catalysing
we can have been catalysing
you can have been catalysing
they can have been catalysing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I cannot catalyse
you cannot catalyse
he cannot catalyse
we cannot catalyse
you cannot catalyse
they cannot catalyse 	I cannot be catalysing
you cannot be catalysing
he cannot be catalysing
we cannot be catalysing
you cannot be catalysing
they cannot be catalysing	I cannot have catalysed
you cannot have catalysed
he cannot have catalysed
we cannot have catalysed
you cannot have catalysed
they cannot have catalysed	I cannot have been catalysing
you cannot have been catalysing
he cannot have been catalysing
we cannot have been catalysing
you cannot have been catalysing
they cannot have been catalysing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I catalyse?
can you catalyse?
can he catalyse?
can we catalyse?
can you catalyse?
can they catalyse? 	can I be catalysing?
can you be catalysing?
can he be catalysing?
can we be catalysing?
can you be catalysing?
can they be catalysing? 	can I have catalysed?
can you have catalysed?
can he have catalysed?
can we have catalysed?
can you have catalysed?
can they have catalysed? 	can I have been catalysing?
can you have been catalysing?
can he have been catalysing?
can we have been catalysing?
can you have been catalysing?
can they have been catalysing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I not catalyse?
can you not catalyse?
can he not catalyse?
can we not catalyse?
can you not catalyse?
can they not catalyse? 	can I not be catalysing?
can you not be catalysing?
can he not be catalysing?
can we not be catalysing?
can you not be catalysing?
can they not be catalysing? 	can I not have catalysed?
can you not have catalysed?
can he not have catalysed?
can we not have catalysed?
can you not have catalysed?
can they not have catalysed? 	can I not have been catalysing?
can you not have been catalysing?
can he not have been catalysing?
can we not have been catalysing?
can you not have been catalysing?
can they not have been catalysing?