English verb conjugation COULD REEF

Regular verb: reef - reefed - reefed

Affirmation

Simple form

I could reef
you could reef
he could reef
we could reef
you could reef
they could reef

V-ing form

I could be reefing
you could be reefing
he could be reefing
we could be reefing
you could be reefing
they could be reefing

Perfect

I could have reefed
you could have reefed
he could have reefed
we could have reefed
you could have reefed
they could have reefed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I reef?
could you reef?
could he reef?
could we reef?
could you reef?
could they reef?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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