to catalyse
Regular verb: catalyse - catalysed- catalysed

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
 do I catalyse?
do you catalyse?
doeshe catalyse?
do we catalyse?
do you catalyse?
do they catalyse? 	amI catalysing?
areyou catalysing?
ishe catalysing?
arewe catalysing?
areyou catalysing?
arethey catalysing? 	did I catalyse?
did you catalyse?
did he catalyse?
did we catalyse?
did you catalyse?
did they catalyse? 	wasI catalysing?
wereyou catalysing?
washe catalysing?
werewe catalysing?
wereyou catalysing?
werethey catalysing? 	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
 have I catalysed?
have you catalysed?
hashe catalysed?
have we catalysed?
have you catalysed?
have they catalysed? 	 have I been catalysing?
have you been catalysing?
hashe been catalysing?
have we been catalysing?
have you been catalysing?
have they been catalysing? 	had I catalysed?
had you catalysed?
had he catalysed?
had we catalysed?
had you catalysed?
had they catalysed? 	had I been catalysing?
had you been catalysing?
had he been catalysing?
had we been catalysing?
had you been catalysing?
had they been catalysing? 	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
 will I catalyse?
 will you catalyse?
 will he catalyse?
 will we catalyse?
 will you catalyse?
 will they catalyse? 	 will I be catalysing?
 will you be catalysing?
 will he be catalysing?
 will we be catalysing?
 will you be catalysing?
 will they be catalysing? 	 will I have catalysed?
 will you have catalysed?
 will he have catalysed?
 will we have catalysed?
 will you have catalysed?
 will they have catalysed? 	 will I have been catalysing?
 will you have been catalysing?
 will he have been catalysing?
 will we have been catalysing?
 will you have been catalysing?
 will they have been catalysing? 	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
 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? 	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to catalyse 	 	-
-
- 	 	

Participle 	
Present 	Past 	 	 	
catalysing	catalysed