English verb conjugation
CAN SAND

Regular verb: sand - sanded - sanded

Affirmation

Simple form	V-ing form
I can sand you can sand she can sand we can sand you can sand they can sand	I can be sanding you can be sanding she can be sanding we can be sanding you can be sanding they can be sanding
Perfect	V-ing perfect
I can have sanded you can have sanded she can have sanded we can have sanded you can have sanded they can have sanded	I can have been sanding you can have been sanding she can have been sanding we can have been sanding you can have been sanding they can have been sanding

Negation

Simple form	V-ing form
I cannot sand you cannot sand she cannot sand we cannot sand you cannot sand they cannot sand	I cannot be sanding you cannot be sanding she cannot be sanding we cannot be sanding you cannot be sanding they cannot be sanding
Perfect	V-ing perfect
I cannot have sanded you cannot have sanded she cannot have sanded we cannot have sanded you cannot have sanded they cannot have sanded	I cannot have been sanding you cannot have been sanding she cannot have been sanding we cannot have been sanding you cannot have been sanding they cannot have been sanding

Interrogative form

Simple form	V-ing form
can I sand? can you sand? can she sand? can we sand? can you sand? can they sand?	can I be sanding? can you be sanding? can she be sanding? can we be sanding? can you be sanding? can they be sanding?
Perfect	V-ing perfect
can I have sanded? can you have sanded? can she have sanded? can we have sanded? can you have sanded? can they have sanded?	can I have been sanding? can you have been sanding? can she have been sanding? can we have been sanding? can you have been sanding? can they have been sanding?

Interro-negative form

Simple form	V-ing form
can I not sand? can you not sand? can she not sand? can we not sand? can you not sand? can they not sand?	can I not be sanding? can you not be sanding? can she not be sanding? can we not be sanding? can you not be sanding? can they not be sanding?
Perfect	V-ing perfect
can I not have sanded? can you not have sanded? can she not have sanded? can we not have sanded? can you not have sanded? can they not have sanded?	can I not have been sanding? can you not have been sanding? can she not have been sanding? can we not have been sanding? can you not have been sanding? can they not have been sanding?