Conjugação do verbo inglês COULD STIFF

Verbo regular: stiff - stiffed - stiffed

Afirmação

Forma simple

I could stiff
you could stiff
he could stiff
we could stiff
you could stiff
they could stiff

Forma com V-ing

I could be stiffing
you could be stiffing
he could be stiffing
we could be stiffing
you could be stiffing
they could be stiffing

Perfeito

I could have stiffed
you could have stiffed
he could have stiffed
we could have stiffed
you could have stiffed
they could have stiffed

Perfeito com V-ing

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

Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interrogativa

Forma simple

could I stiff?
could you stiff?
could he stiff?
could we stiff?
could you stiff?
could they stiff?

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interro-Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

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