English verb conjugation
COULD CAB

Regular verb: cab - cabed - cabed

Affirmation

Simple form	V-ing form
I could cab you could cab she could cab we could cab you could cab they could cab	I could be cabing you could be cabing she could be cabing we could be cabing you could be cabing they could be cabing
Perfect	V-ing perfect
I could have cabed you could have cabed she could have cabed we could have cabed you could have cabed they could have cabed	I could have been cabing you could have been cabing she could have been cabing we could have been cabing you could have been cabing they could have been cabing

Negation

Simple form	V-ing form
I could not cab you could not cab she could not cab we could not cab you could not cab they could not cab	I could not be cabing you could not be cabing she could not be cabing we could not be cabing you could not be cabing they could not be cabing
Perfect	V-ing perfect
I could not have cabed you could not have cabed she could not have cabed we could not have cabed you could not have cabed they could not have cabed	I could not have been cabing you could not have been cabing she could not have been cabing we could not have been cabing you could not have been cabing they could not have been cabing

Interrogative form

Simple form	V-ing form
could I cab? could you cab? could she cab? could we cab? could you cab? could they cab?	could I be cabing? could you be cabing? could she be cabing? could we be cabing? could you be cabing? could they be cabing?
Perfect	V-ing perfect
could I have cabed? could you have cabed? could she have cabed? could we have cabed? could you have cabed? could they have cabed?	could I have been cabing? could you have been cabing? could she have been cabing? could we have been cabing? could you have been cabing? could they have been cabing?

Interro-negative form

Simple form	V-ing form
could I not cab? could you not cab? could she not cab? could we not cab? could you not cab? could they not cab?	could I not be cabing? could you not be cabing? could she not be cabing? could we not be cabing? could you not be cabing? could they not be cabing?
Perfect	V-ing perfect
could I not have cabed? could you not have cabed? could she not have cabed? could we not have cabed? could you not have cabed? could they not have cabed?	could I not have been cabing? could you not have been cabing? could she not have been cabing? could we not have been cabing? could you not have been cabing? could they not have been cabing?