English verb conjugation
CAN SHADOW

Regular verb: shadow - shadowed - shadowed

Affirmation

Simple form	V-ing form
I can shadow you can shadow he can shadow we can shadow you can shadow they can shadow	I can be shadowing you can be shadowing he can be shadowing we can be shadowing you can be shadowing they can be shadowing
Perfect	V-ing perfect
I can have shadowed you can have shadowed he can have shadowed we can have shadowed you can have shadowed they can have shadowed	I can have been shadowing you can have been shadowing he can have been shadowing we can have been shadowing you can have been shadowing they can have been shadowing

Negation

Simple form	V-ing form
I cannot shadow you cannot shadow he cannot shadow we cannot shadow you cannot shadow they cannot shadow	I cannot be shadowing you cannot be shadowing he cannot be shadowing we cannot be shadowing you cannot be shadowing they cannot be shadowing
Perfect	V-ing perfect
I cannot have shadowed you cannot have shadowed he cannot have shadowed we cannot have shadowed you cannot have shadowed they cannot have shadowed	I cannot have been shadowing you cannot have been shadowing he cannot have been shadowing we cannot have been shadowing you cannot have been shadowing they cannot have been shadowing

Interrogative form

Simple form	V-ing form
can I shadow? can you shadow? can he shadow? can we shadow? can you shadow? can they shadow?	can I be shadowing? can you be shadowing? can he be shadowing? can we be shadowing? can you be shadowing? can they be shadowing?
Perfect	V-ing perfect
can I have shadowed? can you have shadowed? can he have shadowed? can we have shadowed? can you have shadowed? can they have shadowed?	can I have been shadowing? can you have been shadowing? can he have been shadowing? can we have been shadowing? can you have been shadowing? can they have been shadowing?

Interro-negative form

Simple form	V-ing form
can I not shadow? can you not shadow? can he not shadow? can we not shadow? can you not shadow? can they not shadow?	can I not be shadowing? can you not be shadowing? can he not be shadowing? can we not be shadowing? can you not be shadowing? can they not be shadowing?
Perfect	V-ing perfect
can I not have shadowed? can you not have shadowed? can he not have shadowed? can we not have shadowed? can you not have shadowed? can they not have shadowed?	can I not have been shadowing? can you not have been shadowing? can he not have been shadowing? can we not have been shadowing? can you not have been shadowing? can they not have been shadowing?