can cat
Regular verb: cat - cated- cated

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