English verb conjugation COULD DOCUMENT

Regular verb: document - documented - documented

Affirmation

Simple form

I could document
you could document
he could document
we could document
you could document
they could document

V-ing form

I could be documenting
you could be documenting
he could be documenting
we could be documenting
you could be documenting
they could be documenting

Perfect

I could have documented
you could have documented
he could have documented
we could have documented
you could have documented
they could have documented

V-ing perfect

I could have been documenting
you could have been documenting
he could have been documenting
we could have been documenting
you could have been documenting
they could have been documenting

Negation

Simple form

I couldn't document
you couldn't document
he couldn't document
we couldn't document
you couldn't document
they couldn't document

V-ing form

I couldn't be documenting
you couldn't be documenting
he couldn't be documenting
we couldn't be documenting
you couldn't be documenting
they couldn't be documenting

Perfect

I couldn't have documented
you couldn't have documented
he couldn't have documented
we couldn't have documented
you couldn't have documented
they couldn't have documented

V-ing perfect

I couldn't have been documenting
you couldn't have been documenting
he couldn't have been documenting
we couldn't have been documenting
you couldn't have been documenting
they couldn't have been documenting

Interrogative form

Simple form

could I document?
could you document?
could he document?
could we document?
could you document?
could they document?

V-ing form

could I be documenting?
could you be documenting?
could he be documenting?
could we be documenting?
could you be documenting?
could they be documenting?

Perfect

could I have documented?
could you have documented?
could he have documented?
could we have documented?
could you have documented?
could they have documented?

V-ing perfect

could I have been documenting?
could you have been documenting?
could he have been documenting?
could we have been documenting?
could you have been documenting?
could they have been documenting?

Interro-negative form

Simple form

couldn't I document?
couldn't you document?
couldn't he document?
couldn't we document?
couldn't you document?
couldn't they document?

V-ing form

couldn't I be documenting?
couldn't you be documenting?
couldn't he be documenting?
couldn't we be documenting?
couldn't you be documenting?
couldn't they be documenting?

Perfect

couldn't I have documented?
couldn't you have documented?
couldn't he have documented?
couldn't we have documented?
couldn't you have documented?
couldn't they have documented?

V-ing perfect

couldn't I have been documenting?
couldn't you have been documenting?
couldn't he have been documenting?
couldn't we have been documenting?
couldn't you have been documenting?
couldn't they have been documenting?

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