English verb conjugation
CAN CONTRADICT

Regular verb: contradict - contradicted - contradicted

Affirmation

Simple form	V-ing form
I can contradict you can contradict he can contradict we can contradict you can contradict they can contradict	I can be contradicting you can be contradicting he can be contradicting we can be contradicting you can be contradicting they can be contradicting
Perfect	V-ing perfect
I can have contradicted you can have contradicted he can have contradicted we can have contradicted you can have contradicted they can have contradicted	I can have been contradicting you can have been contradicting he can have been contradicting we can have been contradicting you can have been contradicting they can have been contradicting

Negation

Simple form	V-ing form
I cannot contradict you cannot contradict he cannot contradict we cannot contradict you cannot contradict they cannot contradict	I cannot be contradicting you cannot be contradicting he cannot be contradicting we cannot be contradicting you cannot be contradicting they cannot be contradicting
Perfect	V-ing perfect
I cannot have contradicted you cannot have contradicted he cannot have contradicted we cannot have contradicted you cannot have contradicted they cannot have contradicted	I cannot have been contradicting you cannot have been contradicting he cannot have been contradicting we cannot have been contradicting you cannot have been contradicting they cannot have been contradicting

Interrogative form

Simple form	V-ing form
can I contradict? can you contradict? can he contradict? can we contradict? can you contradict? can they contradict?	can I be contradicting? can you be contradicting? can he be contradicting? can we be contradicting? can you be contradicting? can they be contradicting?
Perfect	V-ing perfect
can I have contradicted? can you have contradicted? can he have contradicted? can we have contradicted? can you have contradicted? can they have contradicted?	can I have been contradicting? can you have been contradicting? can he have been contradicting? can we have been contradicting? can you have been contradicting? can they have been contradicting?

Interro-negative form

Simple form	V-ing form
can I not contradict? can you not contradict? can he not contradict? can we not contradict? can you not contradict? can they not contradict?	can I not be contradicting? can you not be contradicting? can he not be contradicting? can we not be contradicting? can you not be contradicting? can they not be contradicting?
Perfect	V-ing perfect
can I not have contradicted? can you not have contradicted? can he not have contradicted? can we not have contradicted? can you not have contradicted? can they not have contradicted?	can I not have been contradicting? can you not have been contradicting? can he not have been contradicting? can we not have been contradicting? can you not have been contradicting? can they not have been contradicting?