may preserve
Regular verb: preserve - preserved- preserved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may preserve
you may preserve
she may preserve
we may preserve
you may preserve
they may preserve 	I may be preserving
you may be preserving
she may be preserving
we may be preserving
you may be preserving
they may be preserving	I may have preserved
you may have preserved
she may have preserved
we may have preserved
you may have preserved
they may have preserved	I may have been preserving
you may have been preserving
she may have been preserving
we may have been preserving
you may have been preserving
they may have been preserving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't preserve
you mayn't preserve
she mayn't preserve
we mayn't preserve
you mayn't preserve
they mayn't preserve 	I mayn't be preserving
you mayn't be preserving
she mayn't be preserving
we mayn't be preserving
you mayn't be preserving
they mayn't be preserving	I mayn't have preserved
you mayn't have preserved
she mayn't have preserved
we mayn't have preserved
you mayn't have preserved
they mayn't have preserved	I mayn't have been preserving
you mayn't have been preserving
she mayn't have been preserving
we mayn't have been preserving
you mayn't have been preserving
they mayn't have been preserving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I preserve?
may you preserve?
may she preserve?
may we preserve?
may you preserve?
may they preserve? 	may I be preserving?
may you be preserving?
may she be preserving?
may we be preserving?
may you be preserving?
may they be preserving? 	may I have preserved?
may you have preserved?
may she have preserved?
may we have preserved?
may you have preserved?
may they have preserved? 	may I have been preserving?
may you have been preserving?
may she have been preserving?
may we have been preserving?
may you have been preserving?
may they have been preserving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I preserve?
mayn't you preserve?
mayn't she preserve?
mayn't we preserve?
mayn't you preserve?
mayn't they preserve? 	mayn't I be preserving?
mayn't you be preserving?
mayn't she be preserving?
mayn't we be preserving?
mayn't you be preserving?
mayn't they be preserving? 	mayn't I have preserved?
mayn't you have preserved?
mayn't she have preserved?
mayn't we have preserved?
mayn't you have preserved?
mayn't they have preserved? 	mayn't I have been preserving?
mayn't you have been preserving?
mayn't she have been preserving?
mayn't we have been preserving?
mayn't you have been preserving?
mayn't they have been preserving?