English verb conjugation
COULD LAMENT

Regular verb: lament - lamented - lamented

Affirmation

Simple form	V-ing form
I could lament you could lament she could lament we could lament you could lament they could lament	I could be lamenting you could be lamenting she could be lamenting we could be lamenting you could be lamenting they could be lamenting
Perfect	V-ing perfect
I could have lamented you could have lamented she could have lamented we could have lamented you could have lamented they could have lamented	I could have been lamenting you could have been lamenting she could have been lamenting we could have been lamenting you could have been lamenting they could have been lamenting

Negation

Simple form	V-ing form
I could not lament you could not lament she could not lament we could not lament you could not lament they could not lament	I could not be lamenting you could not be lamenting she could not be lamenting we could not be lamenting you could not be lamenting they could not be lamenting
Perfect	V-ing perfect
I could not have lamented you could not have lamented she could not have lamented we could not have lamented you could not have lamented they could not have lamented	I could not have been lamenting you could not have been lamenting she could not have been lamenting we could not have been lamenting you could not have been lamenting they could not have been lamenting

Interrogative form

Simple form	V-ing form
could I lament? could you lament? could she lament? could we lament? could you lament? could they lament?	could I be lamenting? could you be lamenting? could she be lamenting? could we be lamenting? could you be lamenting? could they be lamenting?
Perfect	V-ing perfect
could I have lamented? could you have lamented? could she have lamented? could we have lamented? could you have lamented? could they have lamented?	could I have been lamenting? could you have been lamenting? could she have been lamenting? could we have been lamenting? could you have been lamenting? could they have been lamenting?

Interro-negative form

Simple form	V-ing form
could I not lament? could you not lament? could she not lament? could we not lament? could you not lament? could they not lament?	could I not be lamenting? could you not be lamenting? could she not be lamenting? could we not be lamenting? could you not be lamenting? could they not be lamenting?
Perfect	V-ing perfect
could I not have lamented? could you not have lamented? could she not have lamented? could we not have lamented? could you not have lamented? could they not have lamented?	could I not have been lamenting? could you not have been lamenting? could she not have been lamenting? could we not have been lamenting? could you not have been lamenting? could they not have been lamenting?