may intercalate
Regular verb: intercalate - intercalated- intercalated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may intercalate
you may intercalate
he may intercalate
we may intercalate
you may intercalate
they may intercalate 	I may be intercalating
you may be intercalating
he may be intercalating
we may be intercalating
you may be intercalating
they may be intercalating	I may have intercalated
you may have intercalated
he may have intercalated
we may have intercalated
you may have intercalated
they may have intercalated	I may have been intercalating
you may have been intercalating
he may have been intercalating
we may have been intercalating
you may have been intercalating
they may have been intercalating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't intercalate
you mayn't intercalate
he mayn't intercalate
we mayn't intercalate
you mayn't intercalate
they mayn't intercalate 	I mayn't be intercalating
you mayn't be intercalating
he mayn't be intercalating
we mayn't be intercalating
you mayn't be intercalating
they mayn't be intercalating	I mayn't have intercalated
you mayn't have intercalated
he mayn't have intercalated
we mayn't have intercalated
you mayn't have intercalated
they mayn't have intercalated	I mayn't have been intercalating
you mayn't have been intercalating
he mayn't have been intercalating
we mayn't have been intercalating
you mayn't have been intercalating
they mayn't have been intercalating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I intercalate?
may you intercalate?
may he intercalate?
may we intercalate?
may you intercalate?
may they intercalate? 	may I be intercalating?
may you be intercalating?
may he be intercalating?
may we be intercalating?
may you be intercalating?
may they be intercalating? 	may I have intercalated?
may you have intercalated?
may he have intercalated?
may we have intercalated?
may you have intercalated?
may they have intercalated? 	may I have been intercalating?
may you have been intercalating?
may he have been intercalating?
may we have been intercalating?
may you have been intercalating?
may they have been intercalating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I intercalate?
mayn't you intercalate?
mayn't he intercalate?
mayn't we intercalate?
mayn't you intercalate?
mayn't they intercalate? 	mayn't I be intercalating?
mayn't you be intercalating?
mayn't he be intercalating?
mayn't we be intercalating?
mayn't you be intercalating?
mayn't they be intercalating? 	mayn't I have intercalated?
mayn't you have intercalated?
mayn't he have intercalated?
mayn't we have intercalated?
mayn't you have intercalated?
mayn't they have intercalated? 	mayn't I have been intercalating?
mayn't you have been intercalating?
mayn't he have been intercalating?
mayn't we have been intercalating?
mayn't you have been intercalating?
mayn't they have been intercalating?