English verb conjugation
CAN SILVER

Regular verb: silver - silvered - silvered

Affirmation

Simple form	V-ing form
I can silver you can silver he can silver we can silver you can silver they can silver	I can be silvering you can be silvering he can be silvering we can be silvering you can be silvering they can be silvering
Perfect	V-ing perfect
I can have silvered you can have silvered he can have silvered we can have silvered you can have silvered they can have silvered	I can have been silvering you can have been silvering he can have been silvering we can have been silvering you can have been silvering they can have been silvering

Negation

Simple form	V-ing form
I can't silver you can't silver he can't silver we can't silver you can't silver they can't silver	I can't be silvering you can't be silvering he can't be silvering we can't be silvering you can't be silvering they can't be silvering
Perfect	V-ing perfect
I can't have silvered you can't have silvered he can't have silvered we can't have silvered you can't have silvered they can't have silvered	I can't have been silvering you can't have been silvering he can't have been silvering we can't have been silvering you can't have been silvering they can't have been silvering

Interrogative form

Simple form	V-ing form
can I silver? can you silver? can he silver? can we silver? can you silver? can they silver?	can I be silvering? can you be silvering? can he be silvering? can we be silvering? can you be silvering? can they be silvering?
Perfect	V-ing perfect
can I have silvered? can you have silvered? can he have silvered? can we have silvered? can you have silvered? can they have silvered?	can I have been silvering? can you have been silvering? can he have been silvering? can we have been silvering? can you have been silvering? can they have been silvering?

Interro-negative form

Simple form	V-ing form
can't I silver? can't you silver? can't he silver? can't we silver? can't you silver? can't they silver?	can't I be silvering? can't you be silvering? can't he be silvering? can't we be silvering? can't you be silvering? can't they be silvering?
Perfect	V-ing perfect
can't I have silvered? can't you have silvered? can't he have silvered? can't we have silvered? can't you have silvered? can't they have silvered?	can't I have been silvering? can't you have been silvering? can't he have been silvering? can't we have been silvering? can't you have been silvering? can't they have been silvering?