English verb conjugation
COULD TENSION

Regular verb: tension - tensioned - tensioned

Affirmation

Simple form	V-ing form
I could tension you could tension she could tension we could tension you could tension they could tension	I could be tensioning you could be tensioning she could be tensioning we could be tensioning you could be tensioning they could be tensioning
Perfect	V-ing perfect
I could have tensioned you could have tensioned she could have tensioned we could have tensioned you could have tensioned they could have tensioned	I could have been tensioning you could have been tensioning she could have been tensioning we could have been tensioning you could have been tensioning they could have been tensioning

Negation

Simple form	V-ing form
I couldn't tension you couldn't tension she couldn't tension we couldn't tension you couldn't tension they couldn't tension	I couldn't be tensioning you couldn't be tensioning she couldn't be tensioning we couldn't be tensioning you couldn't be tensioning they couldn't be tensioning
Perfect	V-ing perfect
I couldn't have tensioned you couldn't have tensioned she couldn't have tensioned we couldn't have tensioned you couldn't have tensioned they couldn't have tensioned	I couldn't have been tensioning you couldn't have been tensioning she couldn't have been tensioning we couldn't have been tensioning you couldn't have been tensioning they couldn't have been tensioning

Interrogative form

Simple form	V-ing form
could I tension? could you tension? could she tension? could we tension? could you tension? could they tension?	could I be tensioning? could you be tensioning? could she be tensioning? could we be tensioning? could you be tensioning? could they be tensioning?
Perfect	V-ing perfect
could I have tensioned? could you have tensioned? could she have tensioned? could we have tensioned? could you have tensioned? could they have tensioned?	could I have been tensioning? could you have been tensioning? could she have been tensioning? could we have been tensioning? could you have been tensioning? could they have been tensioning?

Interro-negative form

Simple form	V-ing form
couldn't I tension? couldn't you tension? couldn't she tension? couldn't we tension? couldn't you tension? couldn't they tension?	couldn't I be tensioning? couldn't you be tensioning? couldn't she be tensioning? couldn't we be tensioning? couldn't you be tensioning? couldn't they be tensioning?
Perfect	V-ing perfect
couldn't I have tensioned? couldn't you have tensioned? couldn't she have tensioned? couldn't we have tensioned? couldn't you have tensioned? couldn't they have tensioned?	couldn't I have been tensioning? couldn't you have been tensioning? couldn't she have been tensioning? couldn't we have been tensioning? couldn't you have been tensioning? couldn't they have been tensioning?