English verb conjugation
COULD TENSION

Regular verb: tension - tensioned - tensioned

Affirmation

Simple form	V-ing form
I could tension you could tension he could tension we could tension you could tension they could tension	I could be tensioning you could be tensioning he 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 he 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 he 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 he 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 he 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 he 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 he 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 he tension? could we tension? could you tension? could they tension?	could I be tensioning? could you be tensioning? could he 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 he 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 he 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 he 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 he 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 he 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 he have been tensioning? couldn't we have been tensioning? couldn't you have been tensioning? couldn't they have been tensioning?