English verb conjugation COULD STAKE

Regular verb: stake - staked - staked

Affirmation

Simple form

I could stake
you could stake
he could stake
we could stake
you could stake
they could stake

V-ing form

I could be staking
you could be staking
he could be staking
we could be staking
you could be staking
they could be staking

Perfect

I could have staked
you could have staked
he could have staked
we could have staked
you could have staked
they could have staked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I stake?
could you stake?
could he stake?
could we stake?
could you stake?
could they stake?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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