English verb conjugation COULD DOVETAIL

Regular verb: dovetail - dovetailed - dovetailed

Affirmation

Simple form

I could dovetail
you could dovetail
she could dovetail
we could dovetail
you could dovetail
they could dovetail

V-ing form

I could be dovetailing
you could be dovetailing
she could be dovetailing
we could be dovetailing
you could be dovetailing
they could be dovetailing

Perfect

I could have dovetailed
you could have dovetailed
she could have dovetailed
we could have dovetailed
you could have dovetailed
they could have dovetailed

V-ing perfect

I could have been dovetailing
you could have been dovetailing
she could have been dovetailing
we could have been dovetailing
you could have been dovetailing
they could have been dovetailing

Negation

Simple form

I couldn't dovetail
you couldn't dovetail
she couldn't dovetail
we couldn't dovetail
you couldn't dovetail
they couldn't dovetail

V-ing form

I couldn't be dovetailing
you couldn't be dovetailing
she couldn't be dovetailing
we couldn't be dovetailing
you couldn't be dovetailing
they couldn't be dovetailing

Perfect

I couldn't have dovetailed
you couldn't have dovetailed
she couldn't have dovetailed
we couldn't have dovetailed
you couldn't have dovetailed
they couldn't have dovetailed

V-ing perfect

I couldn't have been dovetailing
you couldn't have been dovetailing
she couldn't have been dovetailing
we couldn't have been dovetailing
you couldn't have been dovetailing
they couldn't have been dovetailing

Interrogative form

Simple form

could I dovetail?
could you dovetail?
could she dovetail?
could we dovetail?
could you dovetail?
could they dovetail?

V-ing form

could I be dovetailing?
could you be dovetailing?
could she be dovetailing?
could we be dovetailing?
could you be dovetailing?
could they be dovetailing?

Perfect

could I have dovetailed?
could you have dovetailed?
could she have dovetailed?
could we have dovetailed?
could you have dovetailed?
could they have dovetailed?

V-ing perfect

could I have been dovetailing?
could you have been dovetailing?
could she have been dovetailing?
could we have been dovetailing?
could you have been dovetailing?
could they have been dovetailing?

Interro-negative form

Simple form

couldn't I dovetail?
couldn't you dovetail?
couldn't she dovetail?
couldn't we dovetail?
couldn't you dovetail?
couldn't they dovetail?

V-ing form

couldn't I be dovetailing?
couldn't you be dovetailing?
couldn't she be dovetailing?
couldn't we be dovetailing?
couldn't you be dovetailing?
couldn't they be dovetailing?

Perfect

couldn't I have dovetailed?
couldn't you have dovetailed?
couldn't she have dovetailed?
couldn't we have dovetailed?
couldn't you have dovetailed?
couldn't they have dovetailed?

V-ing perfect

couldn't I have been dovetailing?
couldn't you have been dovetailing?
couldn't she have been dovetailing?
couldn't we have been dovetailing?
couldn't you have been dovetailing?
couldn't they have been dovetailing?

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