may prewarm
Regular verb: prewarm - prewarmed- prewarmed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may prewarm
you may prewarm
she may prewarm
we may prewarm
you may prewarm
they may prewarm 	I may be prewarming
you may be prewarming
she may be prewarming
we may be prewarming
you may be prewarming
they may be prewarming	I may have prewarmed
you may have prewarmed
she may have prewarmed
we may have prewarmed
you may have prewarmed
they may have prewarmed	I may have been prewarming
you may have been prewarming
she may have been prewarming
we may have been prewarming
you may have been prewarming
they may have been prewarming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't prewarm
you mayn't prewarm
she mayn't prewarm
we mayn't prewarm
you mayn't prewarm
they mayn't prewarm 	I mayn't be prewarming
you mayn't be prewarming
she mayn't be prewarming
we mayn't be prewarming
you mayn't be prewarming
they mayn't be prewarming	I mayn't have prewarmed
you mayn't have prewarmed
she mayn't have prewarmed
we mayn't have prewarmed
you mayn't have prewarmed
they mayn't have prewarmed	I mayn't have been prewarming
you mayn't have been prewarming
she mayn't have been prewarming
we mayn't have been prewarming
you mayn't have been prewarming
they mayn't have been prewarming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I prewarm?
may you prewarm?
may she prewarm?
may we prewarm?
may you prewarm?
may they prewarm? 	may I be prewarming?
may you be prewarming?
may she be prewarming?
may we be prewarming?
may you be prewarming?
may they be prewarming? 	may I have prewarmed?
may you have prewarmed?
may she have prewarmed?
may we have prewarmed?
may you have prewarmed?
may they have prewarmed? 	may I have been prewarming?
may you have been prewarming?
may she have been prewarming?
may we have been prewarming?
may you have been prewarming?
may they have been prewarming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I prewarm?
mayn't you prewarm?
mayn't she prewarm?
mayn't we prewarm?
mayn't you prewarm?
mayn't they prewarm? 	mayn't I be prewarming?
mayn't you be prewarming?
mayn't she be prewarming?
mayn't we be prewarming?
mayn't you be prewarming?
mayn't they be prewarming? 	mayn't I have prewarmed?
mayn't you have prewarmed?
mayn't she have prewarmed?
mayn't we have prewarmed?
mayn't you have prewarmed?
mayn't they have prewarmed? 	mayn't I have been prewarming?
mayn't you have been prewarming?
mayn't she have been prewarming?
mayn't we have been prewarming?
mayn't you have been prewarming?
mayn't they have been prewarming?