can condition
Regular verb: condition - conditioned- conditioned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can condition
you can condition
he can condition
we can condition
you can condition
they can condition 	I can be conditioning
you can be conditioning
he can be conditioning
we can be conditioning
you can be conditioning
they can be conditioning	I can have conditioned
you can have conditioned
he can have conditioned
we can have conditioned
you can have conditioned
they can have conditioned	I can have been conditioning
you can have been conditioning
he can have been conditioning
we can have been conditioning
you can have been conditioning
they can have been conditioning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot condition
you cannot condition
he cannot condition
we cannot condition
you cannot condition
they cannot condition 	I cannot be conditioning
you cannot be conditioning
he cannot be conditioning
we cannot be conditioning
you cannot be conditioning
they cannot be conditioning	I cannot have conditioned
you cannot have conditioned
he cannot have conditioned
we cannot have conditioned
you cannot have conditioned
they cannot have conditioned	I cannot have been conditioning
you cannot have been conditioning
he cannot have been conditioning
we cannot have been conditioning
you cannot have been conditioning
they cannot have been conditioning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I condition?
can you condition?
can he condition?
can we condition?
can you condition?
can they condition? 	can I be conditioning?
can you be conditioning?
can he be conditioning?
can we be conditioning?
can you be conditioning?
can they be conditioning? 	can I have conditioned?
can you have conditioned?
can he have conditioned?
can we have conditioned?
can you have conditioned?
can they have conditioned? 	can I have been conditioning?
can you have been conditioning?
can he have been conditioning?
can we have been conditioning?
can you have been conditioning?
can they have been conditioning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not condition?
can you not condition?
can he not condition?
can we not condition?
can you not condition?
can they not condition? 	can I not be conditioning?
can you not be conditioning?
can he not be conditioning?
can we not be conditioning?
can you not be conditioning?
can they not be conditioning? 	can I not have conditioned?
can you not have conditioned?
can he not have conditioned?
can we not have conditioned?
can you not have conditioned?
can they not have conditioned? 	can I not have been conditioning?
can you not have been conditioning?
can he not have been conditioning?
can we not have been conditioning?
can you not have been conditioning?
can they not have been conditioning?