English verb conjugation
COULD OVERCALL

Regular verb: overcall - overcalled - overcalled

Affirmation

Simple form	V-ing form
I could overcall you could overcall she could overcall we could overcall you could overcall they could overcall	I could be overcalling you could be overcalling she 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 she 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 she 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 she 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 she 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 she 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 she 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 she overcall? could we overcall? could you overcall? could they overcall?	could I be overcalling? could you be overcalling? could she 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 she 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 she 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 she 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 she 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 she 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 she have been overcalling? couldn't we have been overcalling? couldn't you have been overcalling? couldn't they have been overcalling?