English verb conjugation COULD RAVEN

Regular verb: raven - ravened - ravened

Affirmation

Simple form

I could raven
you could raven
he could raven
we could raven
you could raven
they could raven

V-ing form

I could be ravening
you could be ravening
he could be ravening
we could be ravening
you could be ravening
they could be ravening

Perfect

I could have ravened
you could have ravened
he could have ravened
we could have ravened
you could have ravened
they could have ravened

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I raven?
could you raven?
could he raven?
could we raven?
could you raven?
could they raven?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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