may catalogue
Regular verb: catalogue - catalogued- catalogued

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may catalogue
you may catalogue
he may catalogue
we may catalogue
you may catalogue
they may catalogue 	I may be cataloguing
you may be cataloguing
he may be cataloguing
we may be cataloguing
you may be cataloguing
they may be cataloguing	I may have catalogued
you may have catalogued
he may have catalogued
we may have catalogued
you may have catalogued
they may have catalogued	I may have been cataloguing
you may have been cataloguing
he may have been cataloguing
we may have been cataloguing
you may have been cataloguing
they may have been cataloguing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't catalogue
you mayn't catalogue
he mayn't catalogue
we mayn't catalogue
you mayn't catalogue
they mayn't catalogue 	I mayn't be cataloguing
you mayn't be cataloguing
he mayn't be cataloguing
we mayn't be cataloguing
you mayn't be cataloguing
they mayn't be cataloguing	I mayn't have catalogued
you mayn't have catalogued
he mayn't have catalogued
we mayn't have catalogued
you mayn't have catalogued
they mayn't have catalogued	I mayn't have been cataloguing
you mayn't have been cataloguing
he mayn't have been cataloguing
we mayn't have been cataloguing
you mayn't have been cataloguing
they mayn't have been cataloguing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I catalogue?
may you catalogue?
may he catalogue?
may we catalogue?
may you catalogue?
may they catalogue? 	may I be cataloguing?
may you be cataloguing?
may he be cataloguing?
may we be cataloguing?
may you be cataloguing?
may they be cataloguing? 	may I have catalogued?
may you have catalogued?
may he have catalogued?
may we have catalogued?
may you have catalogued?
may they have catalogued? 	may I have been cataloguing?
may you have been cataloguing?
may he have been cataloguing?
may we have been cataloguing?
may you have been cataloguing?
may they have been cataloguing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I catalogue?
mayn't you catalogue?
mayn't he catalogue?
mayn't we catalogue?
mayn't you catalogue?
mayn't they catalogue? 	mayn't I be cataloguing?
mayn't you be cataloguing?
mayn't he be cataloguing?
mayn't we be cataloguing?
mayn't you be cataloguing?
mayn't they be cataloguing? 	mayn't I have catalogued?
mayn't you have catalogued?
mayn't he have catalogued?
mayn't we have catalogued?
mayn't you have catalogued?
mayn't they have catalogued? 	mayn't I have been cataloguing?
mayn't you have been cataloguing?
mayn't he have been cataloguing?
mayn't we have been cataloguing?
mayn't you have been cataloguing?
mayn't they have been cataloguing?