English verb conjugation
COULD AMEND

Regular verb: amend - amended - amended

Affirmation

Simple form	V-ing form
I could amend you could amend he could amend we could amend you could amend they could amend	I could be amending you could be amending he could be amending we could be amending you could be amending they could be amending
Perfect	V-ing perfect
I could have amended you could have amended he could have amended we could have amended you could have amended they could have amended	I could have been amending you could have been amending he could have been amending we could have been amending you could have been amending they could have been amending

Negation

Simple form	V-ing form
I could not amend you could not amend he could not amend we could not amend you could not amend they could not amend	I could not be amending you could not be amending he could not be amending we could not be amending you could not be amending they could not be amending
Perfect	V-ing perfect
I could not have amended you could not have amended he could not have amended we could not have amended you could not have amended they could not have amended	I could not have been amending you could not have been amending he could not have been amending we could not have been amending you could not have been amending they could not have been amending

Interrogative form

Simple form	V-ing form
could I amend? could you amend? could he amend? could we amend? could you amend? could they amend?	could I be amending? could you be amending? could he be amending? could we be amending? could you be amending? could they be amending?
Perfect	V-ing perfect
could I have amended? could you have amended? could he have amended? could we have amended? could you have amended? could they have amended?	could I have been amending? could you have been amending? could he have been amending? could we have been amending? could you have been amending? could they have been amending?

Interro-negative form

Simple form	V-ing form
could I not amend? could you not amend? could he not amend? could we not amend? could you not amend? could they not amend?	could I not be amending? could you not be amending? could he not be amending? could we not be amending? could you not be amending? could they not be amending?
Perfect	V-ing perfect
could I not have amended? could you not have amended? could he not have amended? could we not have amended? could you not have amended? could they not have amended?	could I not have been amending? could you not have been amending? could he not have been amending? could we not have been amending? could you not have been amending? could they not have been amending?