English verb conjugation COULD SPY

Regular verb: spy - spied - spied

Affirmation

Simple form

I could spy
you could spy
he could spy
we could spy
you could spy
they could spy

V-ing form

I could be spying
you could be spying
he could be spying
we could be spying
you could be spying
they could be spying

Perfect

I could have spied
you could have spied
he could have spied
we could have spied
you could have spied
they could have spied

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I spy?
could you spy?
could he spy?
could we spy?
could you spy?
could they spy?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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