English verb conjugation
COULD SPACKLE

Regular verb: spackle - spackled - spackled

Affirmation

Simple form	V-ing form
I could spackle you could spackle she could spackle we could spackle you could spackle they could spackle	I could be spackling you could be spackling she could be spackling we could be spackling you could be spackling they could be spackling
Perfect	V-ing perfect
I could have spackled you could have spackled she could have spackled we could have spackled you could have spackled they could have spackled	I could have been spackling you could have been spackling she could have been spackling we could have been spackling you could have been spackling they could have been spackling

Negation

Simple form	V-ing form
I could not spackle you could not spackle she could not spackle we could not spackle you could not spackle they could not spackle	I could not be spackling you could not be spackling she could not be spackling we could not be spackling you could not be spackling they could not be spackling
Perfect	V-ing perfect
I could not have spackled you could not have spackled she could not have spackled we could not have spackled you could not have spackled they could not have spackled	I could not have been spackling you could not have been spackling she could not have been spackling we could not have been spackling you could not have been spackling they could not have been spackling

Interrogative form

Simple form	V-ing form
could I spackle? could you spackle? could she spackle? could we spackle? could you spackle? could they spackle?	could I be spackling? could you be spackling? could she be spackling? could we be spackling? could you be spackling? could they be spackling?
Perfect	V-ing perfect
could I have spackled? could you have spackled? could she have spackled? could we have spackled? could you have spackled? could they have spackled?	could I have been spackling? could you have been spackling? could she have been spackling? could we have been spackling? could you have been spackling? could they have been spackling?

Interro-negative form

Simple form	V-ing form
could I not spackle? could you not spackle? could she not spackle? could we not spackle? could you not spackle? could they not spackle?	could I not be spackling? could you not be spackling? could she not be spackling? could we not be spackling? could you not be spackling? could they not be spackling?
Perfect	V-ing perfect
could I not have spackled? could you not have spackled? could she not have spackled? could we not have spackled? could you not have spackled? could they not have spackled?	could I not have been spackling? could you not have been spackling? could she not have been spackling? could we not have been spackling? could you not have been spackling? could they not have been spackling?