English verb conjugation
COULD SQUABBLE

Regular verb: squabble - squabbled - squabbled

Affirmation

Simple form	V-ing form
I could squabble you could squabble she could squabble we could squabble you could squabble they could squabble	I could be squabbling you could be squabbling she could be squabbling we could be squabbling you could be squabbling they could be squabbling
Perfect	V-ing perfect
I could have squabbled you could have squabbled she could have squabbled we could have squabbled you could have squabbled they could have squabbled	I could have been squabbling you could have been squabbling she could have been squabbling we could have been squabbling you could have been squabbling they could have been squabbling

Negation

Simple form	V-ing form
I could not squabble you could not squabble she could not squabble we could not squabble you could not squabble they could not squabble	I could not be squabbling you could not be squabbling she could not be squabbling we could not be squabbling you could not be squabbling they could not be squabbling
Perfect	V-ing perfect
I could not have squabbled you could not have squabbled she could not have squabbled we could not have squabbled you could not have squabbled they could not have squabbled	I could not have been squabbling you could not have been squabbling she could not have been squabbling we could not have been squabbling you could not have been squabbling they could not have been squabbling

Interrogative form

Simple form	V-ing form
could I squabble? could you squabble? could she squabble? could we squabble? could you squabble? could they squabble?	could I be squabbling? could you be squabbling? could she be squabbling? could we be squabbling? could you be squabbling? could they be squabbling?
Perfect	V-ing perfect
could I have squabbled? could you have squabbled? could she have squabbled? could we have squabbled? could you have squabbled? could they have squabbled?	could I have been squabbling? could you have been squabbling? could she have been squabbling? could we have been squabbling? could you have been squabbling? could they have been squabbling?

Interro-negative form

Simple form	V-ing form
could I not squabble? could you not squabble? could she not squabble? could we not squabble? could you not squabble? could they not squabble?	could I not be squabbling? could you not be squabbling? could she not be squabbling? could we not be squabbling? could you not be squabbling? could they not be squabbling?
Perfect	V-ing perfect
could I not have squabbled? could you not have squabbled? could she not have squabbled? could we not have squabbled? could you not have squabbled? could they not have squabbled?	could I not have been squabbling? could you not have been squabbling? could she not have been squabbling? could we not have been squabbling? could you not have been squabbling? could they not have been squabbling?