English verb conjugation
CAN BURNISH

Regular verb: burnish - burnished - burnished

Affirmation

Simple form	V-ing form
I can burnish you can burnish he can burnish we can burnish you can burnish they can burnish	I can be burnishing you can be burnishing he can be burnishing we can be burnishing you can be burnishing they can be burnishing
Perfect	V-ing perfect
I can have burnished you can have burnished he can have burnished we can have burnished you can have burnished they can have burnished	I can have been burnishing you can have been burnishing he can have been burnishing we can have been burnishing you can have been burnishing they can have been burnishing

Negation

Simple form	V-ing form
I can't burnish you can't burnish he can't burnish we can't burnish you can't burnish they can't burnish	I can't be burnishing you can't be burnishing he can't be burnishing we can't be burnishing you can't be burnishing they can't be burnishing
Perfect	V-ing perfect
I can't have burnished you can't have burnished he can't have burnished we can't have burnished you can't have burnished they can't have burnished	I can't have been burnishing you can't have been burnishing he can't have been burnishing we can't have been burnishing you can't have been burnishing they can't have been burnishing

Interrogative form

Simple form	V-ing form
can I burnish? can you burnish? can he burnish? can we burnish? can you burnish? can they burnish?	can I be burnishing? can you be burnishing? can he be burnishing? can we be burnishing? can you be burnishing? can they be burnishing?
Perfect	V-ing perfect
can I have burnished? can you have burnished? can he have burnished? can we have burnished? can you have burnished? can they have burnished?	can I have been burnishing? can you have been burnishing? can he have been burnishing? can we have been burnishing? can you have been burnishing? can they have been burnishing?

Interro-negative form

Simple form	V-ing form
can't I burnish? can't you burnish? can't he burnish? can't we burnish? can't you burnish? can't they burnish?	can't I be burnishing? can't you be burnishing? can't he be burnishing? can't we be burnishing? can't you be burnishing? can't they be burnishing?
Perfect	V-ing perfect
can't I have burnished? can't you have burnished? can't he have burnished? can't we have burnished? can't you have burnished? can't they have burnished?	can't I have been burnishing? can't you have been burnishing? can't he have been burnishing? can't we have been burnishing? can't you have been burnishing? can't they have been burnishing?