English verb conjugation
COULD OVERCALL

Regular verb: overcall - overcalled - overcalled

Affirmation

Simple form	V-ing form
I could overcall you could overcall he could overcall we could overcall you could overcall they could overcall	I could be overcalling you could be overcalling he could be overcalling we could be overcalling you could be overcalling they could be overcalling
Perfect	V-ing perfect
I could have overcalled you could have overcalled he could have overcalled we could have overcalled you could have overcalled they could have overcalled	I could have been overcalling you could have been overcalling he could have been overcalling we could have been overcalling you could have been overcalling they could have been overcalling

Negation

Simple form	V-ing form
I couldn't overcall you couldn't overcall he couldn't overcall we couldn't overcall you couldn't overcall they couldn't overcall	I couldn't be overcalling you couldn't be overcalling he couldn't be overcalling we couldn't be overcalling you couldn't be overcalling they couldn't be overcalling
Perfect	V-ing perfect
I couldn't have overcalled you couldn't have overcalled he couldn't have overcalled we couldn't have overcalled you couldn't have overcalled they couldn't have overcalled	I couldn't have been overcalling you couldn't have been overcalling he couldn't have been overcalling we couldn't have been overcalling you couldn't have been overcalling they couldn't have been overcalling

Interrogative form

Simple form	V-ing form
could I overcall? could you overcall? could he overcall? could we overcall? could you overcall? could they overcall?	could I be overcalling? could you be overcalling? could he be overcalling? could we be overcalling? could you be overcalling? could they be overcalling?
Perfect	V-ing perfect
could I have overcalled? could you have overcalled? could he have overcalled? could we have overcalled? could you have overcalled? could they have overcalled?	could I have been overcalling? could you have been overcalling? could he have been overcalling? could we have been overcalling? could you have been overcalling? could they have been overcalling?

Interro-negative form

Simple form	V-ing form
couldn't I overcall? couldn't you overcall? couldn't he overcall? couldn't we overcall? couldn't you overcall? couldn't they overcall?	couldn't I be overcalling? couldn't you be overcalling? couldn't he be overcalling? couldn't we be overcalling? couldn't you be overcalling? couldn't they be overcalling?
Perfect	V-ing perfect
couldn't I have overcalled? couldn't you have overcalled? couldn't he have overcalled? couldn't we have overcalled? couldn't you have overcalled? couldn't they have overcalled?	couldn't I have been overcalling? couldn't you have been overcalling? couldn't he have been overcalling? couldn't we have been overcalling? couldn't you have been overcalling? couldn't they have been overcalling?