English verb conjugation COULD PERISH

Regular verb: perish - perished - perished

Affirmation

Simple form

I could perish
you could perish
he could perish
we could perish
you could perish
they could perish

V-ing form

I could be perishing
you could be perishing
he could be perishing
we could be perishing
you could be perishing
they could be perishing

Perfect

I could have perished
you could have perished
he could have perished
we could have perished
you could have perished
they could have perished

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I perish?
could you perish?
could he perish?
could we perish?
could you perish?
could they perish?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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