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 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	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 	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'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? 	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?