to catalyse
Regular verb: catalyse - catalysed- catalysed

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I don't catalyse
you don't catalyse
he doesn't catalyse
we don't catalyse
you don't catalyse
they don't catalyse 	I'mnot catalysing
youaren't catalysing
heisn't catalysing
wearen't catalysing
youaren't catalysing
theyaren't catalysing	I didn't catalyse
you didn't catalyse
he didn't catalyse
we didn't catalyse
you didn't catalyse
they didn't catalyse 	Iwasn't catalysing
youweren't catalysing
hewasn't catalysing
weweren't catalysing
youweren't catalysing
theyweren't catalysing	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I haven't catalysed
you haven't catalysed
he hasn't catalysed
we haven't catalysed
you haven't catalysed
they haven't catalysed	I haven't  been catalysing
you haven't  been catalysing
he hasn't  been catalysing
we haven't  been catalysing
you haven't  been catalysing
they haven't  been catalysing	I hadn't catalysed
you hadn't catalysed
he hadn't catalysed
we hadn't catalysed
you hadn't catalysed
they hadn't catalysed	I hadn't been catalysing
you hadn't been catalysing
he hadn't been catalysing
we hadn't been catalysing
you hadn't been catalysing
they hadn't been catalysing	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I won't catalyse
you won't catalyse
he won't catalyse
we won't catalyse
you won't catalyse
they won't catalyse 	I won't be catalysing
you won't be catalysing
he won't be catalysing
we won't be catalysing
you won't be catalysing
they won't be catalysing	I won't have catalysed
you won't have catalysed
he won't have catalysed
we won't have catalysed
you won't have catalysed
they won't have catalysed	I won't have been catalysing
you won't have been catalysing
he won't have been catalysing
we won't have been catalysing
you won't have been catalysing
they won't have been catalysing	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I wouldn't catalyse
you wouldn't catalyse
he wouldn't catalyse
we wouldn't catalyse
you wouldn't catalyse
they wouldn't catalyse 	I wouldn't be catalysing
you wouldn't be catalysing
he wouldn't be catalysing
we wouldn't be catalysing
you wouldn't be catalysing
they wouldn't be catalysing	I wouldn't have catalysed
you wouldn't have catalysed
he wouldn't have catalysed
we wouldn't have catalysed
you wouldn't have catalysed
they wouldn't have catalysed	I wouldn't have been catalysing
you wouldn't have been catalysing
he wouldn't have been catalysing
we wouldn't have been catalysing
you wouldn't have been catalysing
they wouldn't have been catalysing	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to catalyse 	 	do not catalyse
Let's not catalyse
do not catalyse 	 	

Participle 	
Present 	Past 	 	 	
catalysing	catalysed