English verb conjugation
COULD RENDER

Regular verb: render - rendered - rendered

Affirmation

Simple form	V-ing form
I could render you could render he could render we could render you could render they could render	I could be rendering you could be rendering he could be rendering we could be rendering you could be rendering they could be rendering
Perfect	V-ing perfect
I could have rendered you could have rendered he could have rendered we could have rendered you could have rendered they could have rendered	I could have been rendering you could have been rendering he could have been rendering we could have been rendering you could have been rendering they could have been rendering

Negation

Simple form	V-ing form
I couldn't render you couldn't render he couldn't render we couldn't render you couldn't render they couldn't render	I couldn't be rendering you couldn't be rendering he couldn't be rendering we couldn't be rendering you couldn't be rendering they couldn't be rendering
Perfect	V-ing perfect
I couldn't have rendered you couldn't have rendered he couldn't have rendered we couldn't have rendered you couldn't have rendered they couldn't have rendered	I couldn't have been rendering you couldn't have been rendering he couldn't have been rendering we couldn't have been rendering you couldn't have been rendering they couldn't have been rendering

Interrogative form

Simple form	V-ing form
could I render? could you render? could he render? could we render? could you render? could they render?	could I be rendering? could you be rendering? could he be rendering? could we be rendering? could you be rendering? could they be rendering?
Perfect	V-ing perfect
could I have rendered? could you have rendered? could he have rendered? could we have rendered? could you have rendered? could they have rendered?	could I have been rendering? could you have been rendering? could he have been rendering? could we have been rendering? could you have been rendering? could they have been rendering?

Interro-negative form

Simple form	V-ing form
couldn't I render? couldn't you render? couldn't he render? couldn't we render? couldn't you render? couldn't they render?	couldn't I be rendering? couldn't you be rendering? couldn't he be rendering? couldn't we be rendering? couldn't you be rendering? couldn't they be rendering?
Perfect	V-ing perfect
couldn't I have rendered? couldn't you have rendered? couldn't he have rendered? couldn't we have rendered? couldn't you have rendered? couldn't they have rendered?	couldn't I have been rendering? couldn't you have been rendering? couldn't he have been rendering? couldn't we have been rendering? couldn't you have been rendering? couldn't they have been rendering?