English verb conjugation COULD ERASE

Regular verb: erase - erased - erased

Affirmation

Simple form

I could erase
you could erase
he could erase
we could erase
you could erase
they could erase

V-ing form

I could be erasing
you could be erasing
he could be erasing
we could be erasing
you could be erasing
they could be erasing

Perfect

I could have erased
you could have erased
he could have erased
we could have erased
you could have erased
they could have erased

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I erase?
could you erase?
could he erase?
could we erase?
could you erase?
could they erase?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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