can polish
Regular verb: polish - polished- polished

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can polish
you can polish
she can polish
we can polish
you can polish
they can polish 	I can be polishing
you can be polishing
she can be polishing
we can be polishing
you can be polishing
they can be polishing	I can have polished
you can have polished
she can have polished
we can have polished
you can have polished
they can have polished	I can have been polishing
you can have been polishing
she can have been polishing
we can have been polishing
you can have been polishing
they can have been polishing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't polish
you can't polish
she can't polish
we can't polish
you can't polish
they can't polish 	I can't be polishing
you can't be polishing
she can't be polishing
we can't be polishing
you can't be polishing
they can't be polishing	I can't have polished
you can't have polished
she can't have polished
we can't have polished
you can't have polished
they can't have polished	I can't have been polishing
you can't have been polishing
she can't have been polishing
we can't have been polishing
you can't have been polishing
they can't have been polishing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I polish?
can you polish?
can she polish?
can we polish?
can you polish?
can they polish? 	can I be polishing?
can you be polishing?
can she be polishing?
can we be polishing?
can you be polishing?
can they be polishing? 	can I have polished?
can you have polished?
can she have polished?
can we have polished?
can you have polished?
can they have polished? 	can I have been polishing?
can you have been polishing?
can she have been polishing?
can we have been polishing?
can you have been polishing?
can they have been polishing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I polish?
can't you polish?
can't she polish?
can't we polish?
can't you polish?
can't they polish? 	can't I be polishing?
can't you be polishing?
can't she be polishing?
can't we be polishing?
can't you be polishing?
can't they be polishing? 	can't I have polished?
can't you have polished?
can't she have polished?
can't we have polished?
can't you have polished?
can't they have polished? 	can't I have been polishing?
can't you have been polishing?
can't she have been polishing?
can't we have been polishing?
can't you have been polishing?
can't they have been polishing?