could climax
Regular verb: climax - climaxed- climaxed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could climax
you could climax
he could climax
we could climax
you could climax
they could climax 	I could be climaxing
you could be climaxing
he could be climaxing
we could be climaxing
you could be climaxing
they could be climaxing	I could have climaxed
you could have climaxed
he could have climaxed
we could have climaxed
you could have climaxed
they could have climaxed	I could have been climaxing
you could have been climaxing
he could have been climaxing
we could have been climaxing
you could have been climaxing
they could have been climaxing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not climax
you could not climax
he could not climax
we could not climax
you could not climax
they could not climax 	I could not be climaxing
you could not be climaxing
he could not be climaxing
we could not be climaxing
you could not be climaxing
they could not be climaxing	I could not have climaxed
you could not have climaxed
he could not have climaxed
we could not have climaxed
you could not have climaxed
they could not have climaxed	I could not have been climaxing
you could not have been climaxing
he could not have been climaxing
we could not have been climaxing
you could not have been climaxing
they could not have been climaxing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I climax?
could you climax?
could he climax?
could we climax?
could you climax?
could they climax? 	could I be climaxing?
could you be climaxing?
could he be climaxing?
could we be climaxing?
could you be climaxing?
could they be climaxing? 	could I have climaxed?
could you have climaxed?
could he have climaxed?
could we have climaxed?
could you have climaxed?
could they have climaxed? 	could I have been climaxing?
could you have been climaxing?
could he have been climaxing?
could we have been climaxing?
could you have been climaxing?
could they have been climaxing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not climax?
could you not climax?
could he not climax?
could we not climax?
could you not climax?
could they not climax? 	could I not be climaxing?
could you not be climaxing?
could he not be climaxing?
could we not be climaxing?
could you not be climaxing?
could they not be climaxing? 	could I not have climaxed?
could you not have climaxed?
could he not have climaxed?
could we not have climaxed?
could you not have climaxed?
could they not have climaxed? 	could I not have been climaxing?
could you not have been climaxing?
could he not have been climaxing?
could we not have been climaxing?
could you not have been climaxing?
could they not have been climaxing?