English verb conjugation
COULD SIMPLE

Regular verb: simple - simpled - simpled

Affirmation

Simple form	V-ing form
I could simple you could simple she could simple we could simple you could simple they could simple	I could be simpling you could be simpling she could be simpling we could be simpling you could be simpling they could be simpling
Perfect	V-ing perfect
I could have simpled you could have simpled she could have simpled we could have simpled you could have simpled they could have simpled	I could have been simpling you could have been simpling she could have been simpling we could have been simpling you could have been simpling they could have been simpling

Negation

Simple form	V-ing form
I could not simple you could not simple she could not simple we could not simple you could not simple they could not simple	I could not be simpling you could not be simpling she could not be simpling we could not be simpling you could not be simpling they could not be simpling
Perfect	V-ing perfect
I could not have simpled you could not have simpled she could not have simpled we could not have simpled you could not have simpled they could not have simpled	I could not have been simpling you could not have been simpling she could not have been simpling we could not have been simpling you could not have been simpling they could not have been simpling

Interrogative form

Simple form	V-ing form
could I simple? could you simple? could she simple? could we simple? could you simple? could they simple?	could I be simpling? could you be simpling? could she be simpling? could we be simpling? could you be simpling? could they be simpling?
Perfect	V-ing perfect
could I have simpled? could you have simpled? could she have simpled? could we have simpled? could you have simpled? could they have simpled?	could I have been simpling? could you have been simpling? could she have been simpling? could we have been simpling? could you have been simpling? could they have been simpling?

Interro-negative form

Simple form	V-ing form
could I not simple? could you not simple? could she not simple? could we not simple? could you not simple? could they not simple?	could I not be simpling? could you not be simpling? could she not be simpling? could we not be simpling? could you not be simpling? could they not be simpling?
Perfect	V-ing perfect
could I not have simpled? could you not have simpled? could she not have simpled? could we not have simpled? could you not have simpled? could they not have simpled?	could I not have been simpling? could you not have been simpling? could she not have been simpling? could we not have been simpling? could you not have been simpling? could they not have been simpling?