English verb conjugation
CAN SANDPAPER

Regular verb: sandpaper - sandpapered - sandpapered

Affirmation

Simple form	V-ing form
I can sandpaper you can sandpaper he can sandpaper we can sandpaper you can sandpaper they can sandpaper	I can be sandpapering you can be sandpapering he can be sandpapering we can be sandpapering you can be sandpapering they can be sandpapering
Perfect	V-ing perfect
I can have sandpapered you can have sandpapered he can have sandpapered we can have sandpapered you can have sandpapered they can have sandpapered	I can have been sandpapering you can have been sandpapering he can have been sandpapering we can have been sandpapering you can have been sandpapering they can have been sandpapering

Negation

Simple form	V-ing form
I cannot sandpaper you cannot sandpaper he cannot sandpaper we cannot sandpaper you cannot sandpaper they cannot sandpaper	I cannot be sandpapering you cannot be sandpapering he cannot be sandpapering we cannot be sandpapering you cannot be sandpapering they cannot be sandpapering
Perfect	V-ing perfect
I cannot have sandpapered you cannot have sandpapered he cannot have sandpapered we cannot have sandpapered you cannot have sandpapered they cannot have sandpapered	I cannot have been sandpapering you cannot have been sandpapering he cannot have been sandpapering we cannot have been sandpapering you cannot have been sandpapering they cannot have been sandpapering

Interrogative form

Simple form	V-ing form
can I sandpaper? can you sandpaper? can he sandpaper? can we sandpaper? can you sandpaper? can they sandpaper?	can I be sandpapering? can you be sandpapering? can he be sandpapering? can we be sandpapering? can you be sandpapering? can they be sandpapering?
Perfect	V-ing perfect
can I have sandpapered? can you have sandpapered? can he have sandpapered? can we have sandpapered? can you have sandpapered? can they have sandpapered?	can I have been sandpapering? can you have been sandpapering? can he have been sandpapering? can we have been sandpapering? can you have been sandpapering? can they have been sandpapering?

Interro-negative form

Simple form	V-ing form
can I not sandpaper? can you not sandpaper? can he not sandpaper? can we not sandpaper? can you not sandpaper? can they not sandpaper?	can I not be sandpapering? can you not be sandpapering? can he not be sandpapering? can we not be sandpapering? can you not be sandpapering? can they not be sandpapering?
Perfect	V-ing perfect
can I not have sandpapered? can you not have sandpapered? can he not have sandpapered? can we not have sandpapered? can you not have sandpapered? can they not have sandpapered?	can I not have been sandpapering? can you not have been sandpapering? can he not have been sandpapering? can we not have been sandpapering? can you not have been sandpapering? can they not have been sandpapering?