I could contradict you could contradict she could contradict we could contradict you could contradict they could contradict
V-ing form
I could be contradicting you could be contradicting she could be contradicting we could be contradicting you could be contradicting they could be contradicting
Perfect
I could have contradicted you could have contradicted she could have contradicted we could have contradicted you could have contradicted they could have contradicted
V-ing perfect
I could have been contradicting you could have been contradicting she could have been contradicting we could have been contradicting you could have been contradicting they could have been contradicting
Negation
Simple form
I could not contradict you could not contradict she could not contradict we could not contradict you could not contradict they could not contradict
V-ing form
I could not be contradicting you could not be contradicting she could not be contradicting we could not be contradicting you could not be contradicting they could not be contradicting
Perfect
I could not have contradicted you could not have contradicted she could not have contradicted we could not have contradicted you could not have contradicted they could not have contradicted
V-ing perfect
I could not have been contradicting you could not have been contradicting she could not have been contradicting we could not have been contradicting you could not have been contradicting they could not have been contradicting
Interrogative form
Simple form
could I contradict? could you contradict? could she contradict? could we contradict? could you contradict? could they contradict?
V-ing form
could I be contradicting? could you be contradicting? could she be contradicting? could we be contradicting? could you be contradicting? could they be contradicting?
Perfect
could I have contradicted? could you have contradicted? could she have contradicted? could we have contradicted? could you have contradicted? could they have contradicted?
V-ing perfect
could I have been contradicting? could you have been contradicting? could she have been contradicting? could we have been contradicting? could you have been contradicting? could they have been contradicting?
Interro-negative form
Simple form
could I not contradict? could you not contradict? could she not contradict? could we not contradict? could you not contradict? could they not contradict?
V-ing form
could I not be contradicting? could you not be contradicting? could she not be contradicting? could we not be contradicting? could you not be contradicting? could they not be contradicting?
Perfect
could I not have contradicted? could you not have contradicted? could she not have contradicted? could we not have contradicted? could you not have contradicted? could they not have contradicted?
V-ing perfect
could I not have been contradicting? could you not have been contradicting? could she not have been contradicting? could we not have been contradicting? could you not have been contradicting? could they not have been contradicting?