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

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

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may not catalyse
you may not catalyse
she may not catalyse
we may not catalyse
you may not catalyse
they may not catalyse 	I may not be catalysing
you may not be catalysing
she may not be catalysing
we may not be catalysing
you may not be catalysing
they may not be catalysing	I may not have catalysed
you may not have catalysed
she may not have catalysed
we may not have catalysed
you may not have catalysed
they may not have catalysed	I may not have been catalysing
you may not have been catalysing
she may not have been catalysing
we may not have been catalysing
you may not have been catalysing
they may not have been catalysing	

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

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