English verb conjugation
COULD CAVIL

Regular verb: cavil - cavilled - cavilled

Affirmation

Simple form	V-ing form
I could cavil you could cavil he could cavil we could cavil you could cavil they could cavil	I could be cavilling you could be cavilling he could be cavilling we could be cavilling you could be cavilling they could be cavilling
Perfect	V-ing perfect
I could have cavilled you could have cavilled he could have cavilled we could have cavilled you could have cavilled they could have cavilled	I could have been cavilling you could have been cavilling he could have been cavilling we could have been cavilling you could have been cavilling they could have been cavilling

Negation

Simple form	V-ing form
I could not cavil you could not cavil he could not cavil we could not cavil you could not cavil they could not cavil	I could not be cavilling you could not be cavilling he could not be cavilling we could not be cavilling you could not be cavilling they could not be cavilling
Perfect	V-ing perfect
I could not have cavilled you could not have cavilled he could not have cavilled we could not have cavilled you could not have cavilled they could not have cavilled	I could not have been cavilling you could not have been cavilling he could not have been cavilling we could not have been cavilling you could not have been cavilling they could not have been cavilling

Interrogative form

Simple form	V-ing form
could I cavil? could you cavil? could he cavil? could we cavil? could you cavil? could they cavil?	could I be cavilling? could you be cavilling? could he be cavilling? could we be cavilling? could you be cavilling? could they be cavilling?
Perfect	V-ing perfect
could I have cavilled? could you have cavilled? could he have cavilled? could we have cavilled? could you have cavilled? could they have cavilled?	could I have been cavilling? could you have been cavilling? could he have been cavilling? could we have been cavilling? could you have been cavilling? could they have been cavilling?

Interro-negative form

Simple form	V-ing form
could I not cavil? could you not cavil? could he not cavil? could we not cavil? could you not cavil? could they not cavil?	could I not be cavilling? could you not be cavilling? could he not be cavilling? could we not be cavilling? could you not be cavilling? could they not be cavilling?
Perfect	V-ing perfect
could I not have cavilled? could you not have cavilled? could he not have cavilled? could we not have cavilled? could you not have cavilled? could they not have cavilled?	could I not have been cavilling? could you not have been cavilling? could he not have been cavilling? could we not have been cavilling? could you not have been cavilling? could they not have been cavilling?