English verb conjugation COULD UNDOCK

Regular verb: undock - undocked - undocked

Affirmation

Simple form

I could undock
you could undock
he could undock
we could undock
you could undock
they could undock

V-ing form

I could be undocking
you could be undocking
he could be undocking
we could be undocking
you could be undocking
they could be undocking

Perfect

I could have undocked
you could have undocked
he could have undocked
we could have undocked
you could have undocked
they could have undocked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I undock?
could you undock?
could he undock?
could we undock?
could you undock?
could they undock?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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