English verb conjugation
COULD CLIMAX

Regular verb: climax - climaxed - climaxed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
I couldn't climax you couldn't climax he couldn't climax we couldn't climax you couldn't climax they couldn't climax	I couldn't be climaxing you couldn't be climaxing he couldn't be climaxing we couldn't be climaxing you couldn't be climaxing they couldn't be climaxing
Perfect	V-ing perfect
I couldn't have climaxed you couldn't have climaxed he couldn't have climaxed we couldn't have climaxed you couldn't have climaxed they couldn't have climaxed	I couldn't have been climaxing you couldn't have been climaxing he couldn't have been climaxing we couldn't have been climaxing you couldn't have been climaxing they couldn't have been climaxing

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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
couldn't I climax? couldn't you climax? couldn't he climax? couldn't we climax? couldn't you climax? couldn't they climax?	couldn't I be climaxing? couldn't you be climaxing? couldn't he be climaxing? couldn't we be climaxing? couldn't you be climaxing? couldn't they be climaxing?
Perfect	V-ing perfect
couldn't I have climaxed? couldn't you have climaxed? couldn't he have climaxed? couldn't we have climaxed? couldn't you have climaxed? couldn't they have climaxed?	couldn't I have been climaxing? couldn't you have been climaxing? couldn't he have been climaxing? couldn't we have been climaxing? couldn't you have been climaxing? couldn't they have been climaxing?