can vat
Regular verb: vat - vatted- vatted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can vat
you can vat
he can vat
we can vat
you can vat
they can vat 	I can be vatting
you can be vatting
he can be vatting
we can be vatting
you can be vatting
they can be vatting	I can have vatted
you can have vatted
he can have vatted
we can have vatted
you can have vatted
they can have vatted	I can have been vatting
you can have been vatting
he can have been vatting
we can have been vatting
you can have been vatting
they can have been vatting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't vat
you can't vat
he can't vat
we can't vat
you can't vat
they can't vat 	I can't be vatting
you can't be vatting
he can't be vatting
we can't be vatting
you can't be vatting
they can't be vatting	I can't have vatted
you can't have vatted
he can't have vatted
we can't have vatted
you can't have vatted
they can't have vatted	I can't have been vatting
you can't have been vatting
he can't have been vatting
we can't have been vatting
you can't have been vatting
they can't have been vatting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I vat?
can you vat?
can he vat?
can we vat?
can you vat?
can they vat? 	can I be vatting?
can you be vatting?
can he be vatting?
can we be vatting?
can you be vatting?
can they be vatting? 	can I have vatted?
can you have vatted?
can he have vatted?
can we have vatted?
can you have vatted?
can they have vatted? 	can I have been vatting?
can you have been vatting?
can he have been vatting?
can we have been vatting?
can you have been vatting?
can they have been vatting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I vat?
can't you vat?
can't he vat?
can't we vat?
can't you vat?
can't they vat? 	can't I be vatting?
can't you be vatting?
can't he be vatting?
can't we be vatting?
can't you be vatting?
can't they be vatting? 	can't I have vatted?
can't you have vatted?
can't he have vatted?
can't we have vatted?
can't you have vatted?
can't they have vatted? 	can't I have been vatting?
can't you have been vatting?
can't he have been vatting?
can't we have been vatting?
can't you have been vatting?
can't they have been vatting?