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 cannot silk you cannot silk he cannot silk we cannot silk you cannot silk they cannot silk	I cannot be silking you cannot be silking he cannot be silking we cannot be silking you cannot be silking they cannot be silking
Perfect	V-ing perfect
I cannot have silked you cannot have silked he cannot have silked we cannot have silked you cannot have silked they cannot have silked	I cannot have been silking you cannot have been silking he cannot have been silking we cannot have been silking you cannot have been silking they cannot 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 I not silk? can you not silk? can he not silk? can we not silk? can you not silk? can they not silk?	can I not be silking? can you not be silking? can he not be silking? can we not be silking? can you not be silking? can they not be silking?
Perfect	V-ing perfect
can I not have silked? can you not have silked? can he not have silked? can we not have silked? can you not have silked? can they not have silked?	can I not have been silking? can you not have been silking? can he not have been silking? can we not have been silking? can you not have been silking? can they not have been silking?