English verb conjugation COULD STOCKPILE

Regular verb: stockpile - stockpiled - stockpiled

Affirmation

Simple form

I could stockpile
you could stockpile
he could stockpile
we could stockpile
you could stockpile
they could stockpile

V-ing form

I could be stockpiling
you could be stockpiling
he could be stockpiling
we could be stockpiling
you could be stockpiling
they could be stockpiling

Perfect

I could have stockpiled
you could have stockpiled
he could have stockpiled
we could have stockpiled
you could have stockpiled
they could have stockpiled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I stockpile?
could you stockpile?
could he stockpile?
could we stockpile?
could you stockpile?
could they stockpile?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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