can burnish
Regular verb: burnish - burnished- burnished

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?