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