English verb conjugation
CAN SAND

Regular verb: sand - sanded - sanded

Affirmation

Simple form	V-ing form
I can sand you can sand he can sand we can sand you can sand they can sand	I can be sanding you can be sanding he 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 he 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 he 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 can't sand you can't sand he can't sand we can't sand you can't sand they can't sand	I can't be sanding you can't be sanding he can't be sanding we can't be sanding you can't be sanding they can't be sanding
Perfect	V-ing perfect
I can't have sanded you can't have sanded he can't have sanded we can't have sanded you can't have sanded they can't have sanded	I can't have been sanding you can't have been sanding he can't have been sanding we can't have been sanding you can't have been sanding they can't have been sanding

Interrogative form

Simple form	V-ing form
can I sand? can you sand? can he sand? can we sand? can you sand? can they sand?	can I be sanding? can you be sanding? can he 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 he 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 he 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't I sand? can't you sand? can't he sand? can't we sand? can't you sand? can't they sand?	can't I be sanding? can't you be sanding? can't he be sanding? can't we be sanding? can't you be sanding? can't they be sanding?
Perfect	V-ing perfect
can't I have sanded? can't you have sanded? can't he have sanded? can't we have sanded? can't you have sanded? can't they have sanded?	can't I have been sanding? can't you have been sanding? can't he have been sanding? can't we have been sanding? can't you have been sanding? can't they have been sanding?