English verb conjugation COULD VANISH

Regular verb: vanish - vanished - vanished

Affirmation

Simple form

I could vanish
you could vanish
he could vanish
we could vanish
you could vanish
they could vanish

V-ing form

I could be vanishing
you could be vanishing
he could be vanishing
we could be vanishing
you could be vanishing
they could be vanishing

Perfect

I could have vanished
you could have vanished
he could have vanished
we could have vanished
you could have vanished
they could have vanished

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I vanish?
could you vanish?
could he vanish?
could we vanish?
could you vanish?
could they vanish?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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