may seise
Regular verb: seise - seised- seised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may seise
you may seise
he may seise
we may seise
you may seise
they may seise 	I may be seising
you may be seising
he may be seising
we may be seising
you may be seising
they may be seising	I may have seised
you may have seised
he may have seised
we may have seised
you may have seised
they may have seised	I may have been seising
you may have been seising
he may have been seising
we may have been seising
you may have been seising
they may have been seising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't seise
you mayn't seise
he mayn't seise
we mayn't seise
you mayn't seise
they mayn't seise 	I mayn't be seising
you mayn't be seising
he mayn't be seising
we mayn't be seising
you mayn't be seising
they mayn't be seising	I mayn't have seised
you mayn't have seised
he mayn't have seised
we mayn't have seised
you mayn't have seised
they mayn't have seised	I mayn't have been seising
you mayn't have been seising
he mayn't have been seising
we mayn't have been seising
you mayn't have been seising
they mayn't have been seising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I seise?
may you seise?
may he seise?
may we seise?
may you seise?
may they seise? 	may I be seising?
may you be seising?
may he be seising?
may we be seising?
may you be seising?
may they be seising? 	may I have seised?
may you have seised?
may he have seised?
may we have seised?
may you have seised?
may they have seised? 	may I have been seising?
may you have been seising?
may he have been seising?
may we have been seising?
may you have been seising?
may they have been seising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I seise?
mayn't you seise?
mayn't he seise?
mayn't we seise?
mayn't you seise?
mayn't they seise? 	mayn't I be seising?
mayn't you be seising?
mayn't he be seising?
mayn't we be seising?
mayn't you be seising?
mayn't they be seising? 	mayn't I have seised?
mayn't you have seised?
mayn't he have seised?
mayn't we have seised?
mayn't you have seised?
mayn't they have seised? 	mayn't I have been seising?
mayn't you have been seising?
mayn't he have been seising?
mayn't we have been seising?
mayn't you have been seising?
mayn't they have been seising?