English verb conjugation COULD STUFF

Regular verb: stuff - stuffed - stuffed

Affirmation

Simple form

I could stuff
you could stuff
he could stuff
we could stuff
you could stuff
they could stuff

V-ing form

I could be stuffing
you could be stuffing
he could be stuffing
we could be stuffing
you could be stuffing
they could be stuffing

Perfect

I could have stuffed
you could have stuffed
he could have stuffed
we could have stuffed
you could have stuffed
they could have stuffed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I stuff?
could you stuff?
could he stuff?
could we stuff?
could you stuff?
could they stuff?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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