English verb conjugation
CAN POLISH

Regular verb: polish - polished - polished

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
I cannot polish you cannot polish she cannot polish we cannot polish you cannot polish they cannot polish	I cannot be polishing you cannot be polishing she cannot be polishing we cannot be polishing you cannot be polishing they cannot be polishing
Perfect	V-ing perfect
I cannot have polished you cannot have polished she cannot have polished we cannot have polished you cannot have polished they cannot have polished	I cannot have been polishing you cannot have been polishing she cannot have been polishing we cannot have been polishing you cannot have been polishing they cannot have been polishing

Interrogative form

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