English verb conjugation
COULD KIBBLE

Regular verb: kibble - kibbled - kibbled

Affirmation

Simple form	V-ing form
I could kibble you could kibble he could kibble we could kibble you could kibble they could kibble	I could be kibbling you could be kibbling he could be kibbling we could be kibbling you could be kibbling they could be kibbling
Perfect	V-ing perfect
I could have kibbled you could have kibbled he could have kibbled we could have kibbled you could have kibbled they could have kibbled	I could have been kibbling you could have been kibbling he could have been kibbling we could have been kibbling you could have been kibbling they could have been kibbling

Negation

Simple form	V-ing form
I could not kibble you could not kibble he could not kibble we could not kibble you could not kibble they could not kibble	I could not be kibbling you could not be kibbling he could not be kibbling we could not be kibbling you could not be kibbling they could not be kibbling
Perfect	V-ing perfect
I could not have kibbled you could not have kibbled he could not have kibbled we could not have kibbled you could not have kibbled they could not have kibbled	I could not have been kibbling you could not have been kibbling he could not have been kibbling we could not have been kibbling you could not have been kibbling they could not have been kibbling

Interrogative form

Simple form	V-ing form
could I kibble? could you kibble? could he kibble? could we kibble? could you kibble? could they kibble?	could I be kibbling? could you be kibbling? could he be kibbling? could we be kibbling? could you be kibbling? could they be kibbling?
Perfect	V-ing perfect
could I have kibbled? could you have kibbled? could he have kibbled? could we have kibbled? could you have kibbled? could they have kibbled?	could I have been kibbling? could you have been kibbling? could he have been kibbling? could we have been kibbling? could you have been kibbling? could they have been kibbling?

Interro-negative form

Simple form	V-ing form
could I not kibble? could you not kibble? could he not kibble? could we not kibble? could you not kibble? could they not kibble?	could I not be kibbling? could you not be kibbling? could he not be kibbling? could we not be kibbling? could you not be kibbling? could they not be kibbling?
Perfect	V-ing perfect
could I not have kibbled? could you not have kibbled? could he not have kibbled? could we not have kibbled? could you not have kibbled? could they not have kibbled?	could I not have been kibbling? could you not have been kibbling? could he not have been kibbling? could we not have been kibbling? could you not have been kibbling? could they not have been kibbling?