Conjugação do verbo inglês COULD OBSERVE

Verbo regular: observe - observed - observed

Afirmação

Forma simple

I could observe
you could observe
she could observe
we could observe
you could observe
they could observe

Forma com V-ing

I could be observing
you could be observing
she could be observing
we could be observing
you could be observing
they could be observing

Perfeito

I could have observed
you could have observed
she could have observed
we could have observed
you could have observed
they could have observed

Perfeito com V-ing

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

Negação

Forma simple

I couldn't observe
you couldn't observe
she couldn't observe
we couldn't observe
you couldn't observe
they couldn't observe

Forma com V-ing

I couldn't be observing
you couldn't be observing
she couldn't be observing
we couldn't be observing
you couldn't be observing
they couldn't be observing

Perfeito

I couldn't have observed
you couldn't have observed
she couldn't have observed
we couldn't have observed
you couldn't have observed
they couldn't have observed

Perfeito com V-ing

I couldn't have been observing
you couldn't have been observing
she couldn't have been observing
we couldn't have been observing
you couldn't have been observing
they couldn't have been observing

Forma interrogativa

Forma simple

could I observe?
could you observe?
could she observe?
could we observe?
could you observe?
could they observe?

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interro-Negação

Forma simple

couldn't I observe?
couldn't you observe?
couldn't she observe?
couldn't we observe?
couldn't you observe?
couldn't they observe?

Forma com V-ing

couldn't I be observing?
couldn't you be observing?
couldn't she be observing?
couldn't we be observing?
couldn't you be observing?
couldn't they be observing?

Perfeito

couldn't I have observed?
couldn't you have observed?
couldn't she have observed?
couldn't we have observed?
couldn't you have observed?
couldn't they have observed?

Perfeito com V-ing

couldn't I have been observing?
couldn't you have been observing?
couldn't she have been observing?
couldn't we have been observing?
couldn't you have been observing?
couldn't they have been observing?

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