Conjugación del verbo inglés COULD YAWN

Verbo regular: yawn - yawned - yawned

Afirmación

Forma simple

I could yawn
you could yawn
she could yawn
we could yawn
you could yawn
they could yawn

Forma con V-ing

I could be yawning
you could be yawning
she could be yawning
we could be yawning
you could be yawning
they could be yawning

Perfecto

I could have yawned
you could have yawned
she could have yawned
we could have yawned
you could have yawned
they could have yawned

Perfecto con V-ing

I could have been yawning
you could have been yawning
she could have been yawning
we could have been yawning
you could have been yawning
they could have been yawning

Negación

Forma simple

I could not yawn
you could not yawn
she could not yawn
we could not yawn
you could not yawn
they could not yawn

Forma con V-ing

I could not be yawning
you could not be yawning
she could not be yawning
we could not be yawning
you could not be yawning
they could not be yawning

Perfecto

I could not have yawned
you could not have yawned
she could not have yawned
we could not have yawned
you could not have yawned
they could not have yawned

Perfecto con V-ing

I could not have been yawning
you could not have been yawning
she could not have been yawning
we could not have been yawning
you could not have been yawning
they could not have been yawning

Forma interrogativa

Forma simple

could I yawn?
could you yawn?
could she yawn?
could we yawn?
could you yawn?
could they yawn?

Forma con V-ing

could I be yawning?
could you be yawning?
could she be yawning?
could we be yawning?
could you be yawning?
could they be yawning?

Perfecto

could I have yawned?
could you have yawned?
could she have yawned?
could we have yawned?
could you have yawned?
could they have yawned?

Perfecto con V-ing

could I have been yawning?
could you have been yawning?
could she have been yawning?
could we have been yawning?
could you have been yawning?
could they have been yawning?

Forma interro-negativa

Forma simple

could I not yawn?
could you not yawn?
could she not yawn?
could we not yawn?
could you not yawn?
could they not yawn?

Forma con V-ing

could I not be yawning?
could you not be yawning?
could she not be yawning?
could we not be yawning?
could you not be yawning?
could they not be yawning?

Perfecto

could I not have yawned?
could you not have yawned?
could she not have yawned?
could we not have yawned?
could you not have yawned?
could they not have yawned?

Perfecto con V-ing

could I not have been yawning?
could you not have been yawning?
could she not have been yawning?
could we not have been yawning?
could you not have been yawning?
could they not have been yawning?

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