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 couldn't amend you couldn't amend he couldn't amend we couldn't amend you couldn't amend they couldn't amend	I couldn't be amending you couldn't be amending he couldn't be amending we couldn't be amending you couldn't be amending they couldn't be amending
Perfect	V-ing perfect
I couldn't have amended you couldn't have amended he couldn't have amended we couldn't have amended you couldn't have amended they couldn't have amended	I couldn't have been amending you couldn't have been amending he couldn't have been amending we couldn't have been amending you couldn't have been amending they couldn't 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
couldn't I amend? couldn't you amend? couldn't he amend? couldn't we amend? couldn't you amend? couldn't they amend?	couldn't I be amending? couldn't you be amending? couldn't he be amending? couldn't we be amending? couldn't you be amending? couldn't they be amending?
Perfect	V-ing perfect
couldn't I have amended? couldn't you have amended? couldn't he have amended? couldn't we have amended? couldn't you have amended? couldn't they have amended?	couldn't I have been amending? couldn't you have been amending? couldn't he have been amending? couldn't we have been amending? couldn't you have been amending? couldn't they have been amending?