English verb conjugation
CAN VAT

Regular verb: vat - vatted - vatted

Affirmation

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