may desulferise
Regular verb: desulferise - desulferised- desulferised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may desulferise
you may desulferise
he may desulferise
we may desulferise
you may desulferise
they may desulferise 	I may be desulferising
you may be desulferising
he may be desulferising
we may be desulferising
you may be desulferising
they may be desulferising	I may have desulferised
you may have desulferised
he may have desulferised
we may have desulferised
you may have desulferised
they may have desulferised	I may have been desulferising
you may have been desulferising
he may have been desulferising
we may have been desulferising
you may have been desulferising
they may have been desulferising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't desulferise
you mayn't desulferise
he mayn't desulferise
we mayn't desulferise
you mayn't desulferise
they mayn't desulferise 	I mayn't be desulferising
you mayn't be desulferising
he mayn't be desulferising
we mayn't be desulferising
you mayn't be desulferising
they mayn't be desulferising	I mayn't have desulferised
you mayn't have desulferised
he mayn't have desulferised
we mayn't have desulferised
you mayn't have desulferised
they mayn't have desulferised	I mayn't have been desulferising
you mayn't have been desulferising
he mayn't have been desulferising
we mayn't have been desulferising
you mayn't have been desulferising
they mayn't have been desulferising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I desulferise?
may you desulferise?
may he desulferise?
may we desulferise?
may you desulferise?
may they desulferise? 	may I be desulferising?
may you be desulferising?
may he be desulferising?
may we be desulferising?
may you be desulferising?
may they be desulferising? 	may I have desulferised?
may you have desulferised?
may he have desulferised?
may we have desulferised?
may you have desulferised?
may they have desulferised? 	may I have been desulferising?
may you have been desulferising?
may he have been desulferising?
may we have been desulferising?
may you have been desulferising?
may they have been desulferising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I desulferise?
mayn't you desulferise?
mayn't he desulferise?
mayn't we desulferise?
mayn't you desulferise?
mayn't they desulferise? 	mayn't I be desulferising?
mayn't you be desulferising?
mayn't he be desulferising?
mayn't we be desulferising?
mayn't you be desulferising?
mayn't they be desulferising? 	mayn't I have desulferised?
mayn't you have desulferised?
mayn't he have desulferised?
mayn't we have desulferised?
mayn't you have desulferised?
mayn't they have desulferised? 	mayn't I have been desulferising?
mayn't you have been desulferising?
mayn't he have been desulferising?
mayn't we have been desulferising?
mayn't you have been desulferising?
mayn't they have been desulferising?