may interleave
Regular verb: interleave - interleaved- interleaved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may interleave
you may interleave
she may interleave
we may interleave
you may interleave
they may interleave 	I may be interleaving
you may be interleaving
she may be interleaving
we may be interleaving
you may be interleaving
they may be interleaving	I may have interleaved
you may have interleaved
she may have interleaved
we may have interleaved
you may have interleaved
they may have interleaved	I may have been interleaving
you may have been interleaving
she may have been interleaving
we may have been interleaving
you may have been interleaving
they may have been interleaving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't interleave
you mayn't interleave
she mayn't interleave
we mayn't interleave
you mayn't interleave
they mayn't interleave 	I mayn't be interleaving
you mayn't be interleaving
she mayn't be interleaving
we mayn't be interleaving
you mayn't be interleaving
they mayn't be interleaving	I mayn't have interleaved
you mayn't have interleaved
she mayn't have interleaved
we mayn't have interleaved
you mayn't have interleaved
they mayn't have interleaved	I mayn't have been interleaving
you mayn't have been interleaving
she mayn't have been interleaving
we mayn't have been interleaving
you mayn't have been interleaving
they mayn't have been interleaving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I interleave?
may you interleave?
may she interleave?
may we interleave?
may you interleave?
may they interleave? 	may I be interleaving?
may you be interleaving?
may she be interleaving?
may we be interleaving?
may you be interleaving?
may they be interleaving? 	may I have interleaved?
may you have interleaved?
may she have interleaved?
may we have interleaved?
may you have interleaved?
may they have interleaved? 	may I have been interleaving?
may you have been interleaving?
may she have been interleaving?
may we have been interleaving?
may you have been interleaving?
may they have been interleaving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I interleave?
mayn't you interleave?
mayn't she interleave?
mayn't we interleave?
mayn't you interleave?
mayn't they interleave? 	mayn't I be interleaving?
mayn't you be interleaving?
mayn't she be interleaving?
mayn't we be interleaving?
mayn't you be interleaving?
mayn't they be interleaving? 	mayn't I have interleaved?
mayn't you have interleaved?
mayn't she have interleaved?
mayn't we have interleaved?
mayn't you have interleaved?
mayn't they have interleaved? 	mayn't I have been interleaving?
mayn't you have been interleaving?
mayn't she have been interleaving?
mayn't we have been interleaving?
mayn't you have been interleaving?
mayn't they have been interleaving?