English verb conjugation
COULD SLOW

Regular verb: slow - slowed - slowed

Affirmation

Simple form	V-ing form
I could slow you could slow she could slow we could slow you could slow they could slow	I could be slowing you could be slowing she could be slowing we could be slowing you could be slowing they could be slowing
Perfect	V-ing perfect
I could have slowed you could have slowed she could have slowed we could have slowed you could have slowed they could have slowed	I could have been slowing you could have been slowing she could have been slowing we could have been slowing you could have been slowing they could have been slowing

Negation

Simple form	V-ing form
I could not slow you could not slow she could not slow we could not slow you could not slow they could not slow	I could not be slowing you could not be slowing she could not be slowing we could not be slowing you could not be slowing they could not be slowing
Perfect	V-ing perfect
I could not have slowed you could not have slowed she could not have slowed we could not have slowed you could not have slowed they could not have slowed	I could not have been slowing you could not have been slowing she could not have been slowing we could not have been slowing you could not have been slowing they could not have been slowing

Interrogative form

Simple form	V-ing form
could I slow? could you slow? could she slow? could we slow? could you slow? could they slow?	could I be slowing? could you be slowing? could she be slowing? could we be slowing? could you be slowing? could they be slowing?
Perfect	V-ing perfect
could I have slowed? could you have slowed? could she have slowed? could we have slowed? could you have slowed? could they have slowed?	could I have been slowing? could you have been slowing? could she have been slowing? could we have been slowing? could you have been slowing? could they have been slowing?

Interro-negative form

Simple form	V-ing form
could I not slow? could you not slow? could she not slow? could we not slow? could you not slow? could they not slow?	could I not be slowing? could you not be slowing? could she not be slowing? could we not be slowing? could you not be slowing? could they not be slowing?
Perfect	V-ing perfect
could I not have slowed? could you not have slowed? could she not have slowed? could we not have slowed? could you not have slowed? could they not have slowed?	could I not have been slowing? could you not have been slowing? could she not have been slowing? could we not have been slowing? could you not have been slowing? could they not have been slowing?