English verb conjugation COULD INTERGRAFT

Regular verb: intergraft - intergrafted - intergrafted

Affirmation

Simple form

I could intergraft
you could intergraft
he could intergraft
we could intergraft
you could intergraft
they could intergraft

V-ing form

I could be intergrafting
you could be intergrafting
he could be intergrafting
we could be intergrafting
you could be intergrafting
they could be intergrafting

Perfect

I could have intergrafted
you could have intergrafted
he could have intergrafted
we could have intergrafted
you could have intergrafted
they could have intergrafted

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I intergraft?
could you intergraft?
could he intergraft?
could we intergraft?
could you intergraft?
could they intergraft?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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