English verb conjugation
COULD STENCIL

Regular verb: stencil - stencilled - stencilled

Affirmation

Simple form	V-ing form
I could stencil you could stencil he could stencil we could stencil you could stencil they could stencil	I could be stencilling you could be stencilling he could be stencilling we could be stencilling you could be stencilling they could be stencilling
Perfect	V-ing perfect
I could have stencilled you could have stencilled he could have stencilled we could have stencilled you could have stencilled they could have stencilled	I could have been stencilling you could have been stencilling he could have been stencilling we could have been stencilling you could have been stencilling they could have been stencilling

Negation

Simple form	V-ing form
I couldn't stencil you couldn't stencil he couldn't stencil we couldn't stencil you couldn't stencil they couldn't stencil	I couldn't be stencilling you couldn't be stencilling he couldn't be stencilling we couldn't be stencilling you couldn't be stencilling they couldn't be stencilling
Perfect	V-ing perfect
I couldn't have stencilled you couldn't have stencilled he couldn't have stencilled we couldn't have stencilled you couldn't have stencilled they couldn't have stencilled	I couldn't have been stencilling you couldn't have been stencilling he couldn't have been stencilling we couldn't have been stencilling you couldn't have been stencilling they couldn't have been stencilling

Interrogative form

Simple form	V-ing form
could I stencil? could you stencil? could he stencil? could we stencil? could you stencil? could they stencil?	could I be stencilling? could you be stencilling? could he be stencilling? could we be stencilling? could you be stencilling? could they be stencilling?
Perfect	V-ing perfect
could I have stencilled? could you have stencilled? could he have stencilled? could we have stencilled? could you have stencilled? could they have stencilled?	could I have been stencilling? could you have been stencilling? could he have been stencilling? could we have been stencilling? could you have been stencilling? could they have been stencilling?

Interro-negative form

Simple form	V-ing form
couldn't I stencil? couldn't you stencil? couldn't he stencil? couldn't we stencil? couldn't you stencil? couldn't they stencil?	couldn't I be stencilling? couldn't you be stencilling? couldn't he be stencilling? couldn't we be stencilling? couldn't you be stencilling? couldn't they be stencilling?
Perfect	V-ing perfect
couldn't I have stencilled? couldn't you have stencilled? couldn't he have stencilled? couldn't we have stencilled? couldn't you have stencilled? couldn't they have stencilled?	couldn't I have been stencilling? couldn't you have been stencilling? couldn't he have been stencilling? couldn't we have been stencilling? couldn't you have been stencilling? couldn't they have been stencilling?