English verb conjugation
COULD SQUIB

Regular verb: squib - squibed - squibed

Affirmation

Simple form	V-ing form
I could squib you could squib she could squib we could squib you could squib they could squib	I could be squibing you could be squibing she could be squibing we could be squibing you could be squibing they could be squibing
Perfect	V-ing perfect
I could have squibed you could have squibed she could have squibed we could have squibed you could have squibed they could have squibed	I could have been squibing you could have been squibing she could have been squibing we could have been squibing you could have been squibing they could have been squibing

Negation

Simple form	V-ing form
I could not squib you could not squib she could not squib we could not squib you could not squib they could not squib	I could not be squibing you could not be squibing she could not be squibing we could not be squibing you could not be squibing they could not be squibing
Perfect	V-ing perfect
I could not have squibed you could not have squibed she could not have squibed we could not have squibed you could not have squibed they could not have squibed	I could not have been squibing you could not have been squibing she could not have been squibing we could not have been squibing you could not have been squibing they could not have been squibing

Interrogative form

Simple form	V-ing form
could I squib? could you squib? could she squib? could we squib? could you squib? could they squib?	could I be squibing? could you be squibing? could she be squibing? could we be squibing? could you be squibing? could they be squibing?
Perfect	V-ing perfect
could I have squibed? could you have squibed? could she have squibed? could we have squibed? could you have squibed? could they have squibed?	could I have been squibing? could you have been squibing? could she have been squibing? could we have been squibing? could you have been squibing? could they have been squibing?

Interro-negative form

Simple form	V-ing form
could I not squib? could you not squib? could she not squib? could we not squib? could you not squib? could they not squib?	could I not be squibing? could you not be squibing? could she not be squibing? could we not be squibing? could you not be squibing? could they not be squibing?
Perfect	V-ing perfect
could I not have squibed? could you not have squibed? could she not have squibed? could we not have squibed? could you not have squibed? could they not have squibed?	could I not have been squibing? could you not have been squibing? could she not have been squibing? could we not have been squibing? could you not have been squibing? could they not have been squibing?