could condition
Regular verb: condition - conditioned- conditioned

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't condition
you couldn't condition
she couldn't condition
we couldn't condition
you couldn't condition
they couldn't condition 	I couldn't be conditioning
you couldn't be conditioning
she couldn't be conditioning
we couldn't be conditioning
you couldn't be conditioning
they couldn't be conditioning	I couldn't have conditioned
you couldn't have conditioned
she couldn't have conditioned
we couldn't have conditioned
you couldn't have conditioned
they couldn't have conditioned	I couldn't have been conditioning
you couldn't have been conditioning
she couldn't have been conditioning
we couldn't have been conditioning
you couldn't have been conditioning
they couldn't have been conditioning	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I condition?
couldn't you condition?
couldn't she condition?
couldn't we condition?
couldn't you condition?
couldn't they condition? 	couldn't I be conditioning?
couldn't you be conditioning?
couldn't she be conditioning?
couldn't we be conditioning?
couldn't you be conditioning?
couldn't they be conditioning? 	couldn't I have conditioned?
couldn't you have conditioned?
couldn't she have conditioned?
couldn't we have conditioned?
couldn't you have conditioned?
couldn't they have conditioned? 	couldn't I have been conditioning?
couldn't you have been conditioning?
couldn't she have been conditioning?
couldn't we have been conditioning?
couldn't you have been conditioning?
couldn't they have been conditioning?