English verb conjugation COULD RESTACK

Regular verb: restack - restacked - restacked

Affirmation

Simple form

I could restack
you could restack
he could restack
we could restack
you could restack
they could restack

V-ing form

I could be restacking
you could be restacking
he could be restacking
we could be restacking
you could be restacking
they could be restacking

Perfect

I could have restacked
you could have restacked
he could have restacked
we could have restacked
you could have restacked
they could have restacked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I restack?
could you restack?
could he restack?
could we restack?
could you restack?
could they restack?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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