English verb conjugation
CAN SILK

Regular verb: silk - silked - silked

Affirmation

Simple form	V-ing form
I can silk you can silk he can silk we can silk you can silk they can silk	I can be silking you can be silking he can be silking we can be silking you can be silking they can be silking
Perfect	V-ing perfect
I can have silked you can have silked he can have silked we can have silked you can have silked they can have silked	I can have been silking you can have been silking he can have been silking we can have been silking you can have been silking they can have been silking

Negation

Simple form	V-ing form
I can't silk you can't silk he can't silk we can't silk you can't silk they can't silk	I can't be silking you can't be silking he can't be silking we can't be silking you can't be silking they can't be silking
Perfect	V-ing perfect
I can't have silked you can't have silked he can't have silked we can't have silked you can't have silked they can't have silked	I can't have been silking you can't have been silking he can't have been silking we can't have been silking you can't have been silking they can't have been silking

Interrogative form

Simple form	V-ing form
can I silk? can you silk? can he silk? can we silk? can you silk? can they silk?	can I be silking? can you be silking? can he be silking? can we be silking? can you be silking? can they be silking?
Perfect	V-ing perfect
can I have silked? can you have silked? can he have silked? can we have silked? can you have silked? can they have silked?	can I have been silking? can you have been silking? can he have been silking? can we have been silking? can you have been silking? can they have been silking?

Interro-negative form

Simple form	V-ing form
can't I silk? can't you silk? can't he silk? can't we silk? can't you silk? can't they silk?	can't I be silking? can't you be silking? can't he be silking? can't we be silking? can't you be silking? can't they be silking?
Perfect	V-ing perfect
can't I have silked? can't you have silked? can't he have silked? can't we have silked? can't you have silked? can't they have silked?	can't I have been silking? can't you have been silking? can't he have been silking? can't we have been silking? can't you have been silking? can't they have been silking?