English verb conjugation COULD REGRAFT

Regular verb: regraft - regrafted - regrafted

Affirmation

Simple form

I could regraft
you could regraft
he could regraft
we could regraft
you could regraft
they could regraft

V-ing form

I could be regrafting
you could be regrafting
he could be regrafting
we could be regrafting
you could be regrafting
they could be regrafting

Perfect

I could have regrafted
you could have regrafted
he could have regrafted
we could have regrafted
you could have regrafted
they could have regrafted

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I regraft?
could you regraft?
could he regraft?
could we regraft?
could you regraft?
could they regraft?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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