can revalidate
Regular verb: revalidate - revalidated- revalidated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can revalidate
you can revalidate
he can revalidate
we can revalidate
you can revalidate
they can revalidate 	I can be revalidating
you can be revalidating
he can be revalidating
we can be revalidating
you can be revalidating
they can be revalidating	I can have revalidated
you can have revalidated
he can have revalidated
we can have revalidated
you can have revalidated
they can have revalidated	I can have been revalidating
you can have been revalidating
he can have been revalidating
we can have been revalidating
you can have been revalidating
they can have been revalidating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't revalidate
you can't revalidate
he can't revalidate
we can't revalidate
you can't revalidate
they can't revalidate 	I can't be revalidating
you can't be revalidating
he can't be revalidating
we can't be revalidating
you can't be revalidating
they can't be revalidating	I can't have revalidated
you can't have revalidated
he can't have revalidated
we can't have revalidated
you can't have revalidated
they can't have revalidated	I can't have been revalidating
you can't have been revalidating
he can't have been revalidating
we can't have been revalidating
you can't have been revalidating
they can't have been revalidating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I revalidate?
can you revalidate?
can he revalidate?
can we revalidate?
can you revalidate?
can they revalidate? 	can I be revalidating?
can you be revalidating?
can he be revalidating?
can we be revalidating?
can you be revalidating?
can they be revalidating? 	can I have revalidated?
can you have revalidated?
can he have revalidated?
can we have revalidated?
can you have revalidated?
can they have revalidated? 	can I have been revalidating?
can you have been revalidating?
can he have been revalidating?
can we have been revalidating?
can you have been revalidating?
can they have been revalidating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I revalidate?
can't you revalidate?
can't he revalidate?
can't we revalidate?
can't you revalidate?
can't they revalidate? 	can't I be revalidating?
can't you be revalidating?
can't he be revalidating?
can't we be revalidating?
can't you be revalidating?
can't they be revalidating? 	can't I have revalidated?
can't you have revalidated?
can't he have revalidated?
can't we have revalidated?
can't you have revalidated?
can't they have revalidated? 	can't I have been revalidating?
can't you have been revalidating?
can't he have been revalidating?
can't we have been revalidating?
can't you have been revalidating?
can't they have been revalidating?