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 can't contradict you can't contradict he can't contradict we can't contradict you can't contradict they can't contradict	I can't be contradicting you can't be contradicting he can't be contradicting we can't be contradicting you can't be contradicting they can't be contradicting
Perfect	V-ing perfect
I can't have contradicted you can't have contradicted he can't have contradicted we can't have contradicted you can't have contradicted they can't have contradicted	I can't have been contradicting you can't have been contradicting he can't have been contradicting we can't have been contradicting you can't have been contradicting they can't 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't I contradict? can't you contradict? can't he contradict? can't we contradict? can't you contradict? can't they contradict?	can't I be contradicting? can't you be contradicting? can't he be contradicting? can't we be contradicting? can't you be contradicting? can't they be contradicting?
Perfect	V-ing perfect
can't I have contradicted? can't you have contradicted? can't he have contradicted? can't we have contradicted? can't you have contradicted? can't they have contradicted?	can't I have been contradicting? can't you have been contradicting? can't he have been contradicting? can't we have been contradicting? can't you have been contradicting? can't they have been contradicting?