can cat
Regular verb: cat - cated- cated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can cat
you can cat
she can cat
we can cat
you can cat
they can cat 	I can be cating
you can be cating
she can be cating
we can be cating
you can be cating
they can be cating	I can have cated
you can have cated
she can have cated
we can have cated
you can have cated
they can have cated	I can have been cating
you can have been cating
she can have been cating
we can have been cating
you can have been cating
they can have been cating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't cat
you can't cat
she can't cat
we can't cat
you can't cat
they can't cat 	I can't be cating
you can't be cating
she can't be cating
we can't be cating
you can't be cating
they can't be cating	I can't have cated
you can't have cated
she can't have cated
we can't have cated
you can't have cated
they can't have cated	I can't have been cating
you can't have been cating
she can't have been cating
we can't have been cating
you can't have been cating
they can't have been cating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I cat?
can you cat?
can she cat?
can we cat?
can you cat?
can they cat? 	can I be cating?
can you be cating?
can she be cating?
can we be cating?
can you be cating?
can they be cating? 	can I have cated?
can you have cated?
can she have cated?
can we have cated?
can you have cated?
can they have cated? 	can I have been cating?
can you have been cating?
can she have been cating?
can we have been cating?
can you have been cating?
can they have been cating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I cat?
can't you cat?
can't she cat?
can't we cat?
can't you cat?
can't they cat? 	can't I be cating?
can't you be cating?
can't she be cating?
can't we be cating?
can't you be cating?
can't they be cating? 	can't I have cated?
can't you have cated?
can't she have cated?
can't we have cated?
can't you have cated?
can't they have cated? 	can't I have been cating?
can't you have been cating?
can't she have been cating?
can't we have been cating?
can't you have been cating?
can't they have been cating?