English verb conjugation
COULD SQUABBLE

Regular verb: squabble - squabbled - squabbled

Affirmation

Simple form	V-ing form
I could squabble you could squabble he could squabble we could squabble you could squabble they could squabble	I could be squabbling you could be squabbling he 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 he 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 he 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 he 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 he 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 he 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 he 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 he squabble? could we squabble? could you squabble? could they squabble?	could I be squabbling? could you be squabbling? could he 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 he 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 he 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 he 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 he 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 he 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 he not have been squabbling? could we not have been squabbling? could you not have been squabbling? could they not have been squabbling?