English verb conjugation
COULD SPACKLE

Regular verb: spackle - spackled - spackled

Affirmation

Simple form	V-ing form
I could spackle you could spackle he could spackle we could spackle you could spackle they could spackle	I could be spackling you could be spackling he 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 he 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 he 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 couldn't spackle you couldn't spackle he couldn't spackle we couldn't spackle you couldn't spackle they couldn't spackle	I couldn't be spackling you couldn't be spackling he couldn't be spackling we couldn't be spackling you couldn't be spackling they couldn't be spackling
Perfect	V-ing perfect
I couldn't have spackled you couldn't have spackled he couldn't have spackled we couldn't have spackled you couldn't have spackled they couldn't have spackled	I couldn't have been spackling you couldn't have been spackling he couldn't have been spackling we couldn't have been spackling you couldn't have been spackling they couldn't have been spackling

Interrogative form

Simple form	V-ing form
could I spackle? could you spackle? could he spackle? could we spackle? could you spackle? could they spackle?	could I be spackling? could you be spackling? could he 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 he 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 he 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
couldn't I spackle? couldn't you spackle? couldn't he spackle? couldn't we spackle? couldn't you spackle? couldn't they spackle?	couldn't I be spackling? couldn't you be spackling? couldn't he be spackling? couldn't we be spackling? couldn't you be spackling? couldn't they be spackling?
Perfect	V-ing perfect
couldn't I have spackled? couldn't you have spackled? couldn't he have spackled? couldn't we have spackled? couldn't you have spackled? couldn't they have spackled?	couldn't I have been spackling? couldn't you have been spackling? couldn't he have been spackling? couldn't we have been spackling? couldn't you have been spackling? couldn't they have been spackling?