can contradict
Regular verb: contradict - contradicted- contradicted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?