may scull
Regular verb: scull - sculled- sculled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may scull
you may scull
she may scull
we may scull
you may scull
they may scull 	I may be sculling
you may be sculling
she may be sculling
we may be sculling
you may be sculling
they may be sculling	I may have sculled
you may have sculled
she may have sculled
we may have sculled
you may have sculled
they may have sculled	I may have been sculling
you may have been sculling
she may have been sculling
we may have been sculling
you may have been sculling
they may have been sculling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't scull
you mayn't scull
she mayn't scull
we mayn't scull
you mayn't scull
they mayn't scull 	I mayn't be sculling
you mayn't be sculling
she mayn't be sculling
we mayn't be sculling
you mayn't be sculling
they mayn't be sculling	I mayn't have sculled
you mayn't have sculled
she mayn't have sculled
we mayn't have sculled
you mayn't have sculled
they mayn't have sculled	I mayn't have been sculling
you mayn't have been sculling
she mayn't have been sculling
we mayn't have been sculling
you mayn't have been sculling
they mayn't have been sculling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I scull?
may you scull?
may she scull?
may we scull?
may you scull?
may they scull? 	may I be sculling?
may you be sculling?
may she be sculling?
may we be sculling?
may you be sculling?
may they be sculling? 	may I have sculled?
may you have sculled?
may she have sculled?
may we have sculled?
may you have sculled?
may they have sculled? 	may I have been sculling?
may you have been sculling?
may she have been sculling?
may we have been sculling?
may you have been sculling?
may they have been sculling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I scull?
mayn't you scull?
mayn't she scull?
mayn't we scull?
mayn't you scull?
mayn't they scull? 	mayn't I be sculling?
mayn't you be sculling?
mayn't she be sculling?
mayn't we be sculling?
mayn't you be sculling?
mayn't they be sculling? 	mayn't I have sculled?
mayn't you have sculled?
mayn't she have sculled?
mayn't we have sculled?
mayn't you have sculled?
mayn't they have sculled? 	mayn't I have been sculling?
mayn't you have been sculling?
mayn't she have been sculling?
mayn't we have been sculling?
mayn't you have been sculling?
mayn't they have been sculling?