English verb conjugation
COULD CAROL

Regular verb: carol - carolled - carolled

Affirmation

Simple form	V-ing form
I could carol you could carol he could carol we could carol you could carol they could carol	I could be carolling you could be carolling he could be carolling we could be carolling you could be carolling they could be carolling
Perfect	V-ing perfect
I could have carolled you could have carolled he could have carolled we could have carolled you could have carolled they could have carolled	I could have been carolling you could have been carolling he could have been carolling we could have been carolling you could have been carolling they could have been carolling

Negation

Simple form	V-ing form
I could not carol you could not carol he could not carol we could not carol you could not carol they could not carol	I could not be carolling you could not be carolling he could not be carolling we could not be carolling you could not be carolling they could not be carolling
Perfect	V-ing perfect
I could not have carolled you could not have carolled he could not have carolled we could not have carolled you could not have carolled they could not have carolled	I could not have been carolling you could not have been carolling he could not have been carolling we could not have been carolling you could not have been carolling they could not have been carolling

Interrogative form

Simple form	V-ing form
could I carol? could you carol? could he carol? could we carol? could you carol? could they carol?	could I be carolling? could you be carolling? could he be carolling? could we be carolling? could you be carolling? could they be carolling?
Perfect	V-ing perfect
could I have carolled? could you have carolled? could he have carolled? could we have carolled? could you have carolled? could they have carolled?	could I have been carolling? could you have been carolling? could he have been carolling? could we have been carolling? could you have been carolling? could they have been carolling?

Interro-negative form

Simple form	V-ing form
could I not carol? could you not carol? could he not carol? could we not carol? could you not carol? could they not carol?	could I not be carolling? could you not be carolling? could he not be carolling? could we not be carolling? could you not be carolling? could they not be carolling?
Perfect	V-ing perfect
could I not have carolled? could you not have carolled? could he not have carolled? could we not have carolled? could you not have carolled? could they not have carolled?	could I not have been carolling? could you not have been carolling? could he not have been carolling? could we not have been carolling? could you not have been carolling? could they not have been carolling?