can intercalate
Regular verb: intercalate - intercalated- intercalated

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

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

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

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