can interleave
Regular verb: interleave - interleaved- interleaved

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

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

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

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