Conjugação do verbo inglês COULD SHARPEN

Verbo regular: sharpen - sharpened - sharpened

Afirmação

Forma simple

I could sharpen
you could sharpen
he could sharpen
we could sharpen
you could sharpen
they could sharpen

Forma com V-ing

I could be sharpening
you could be sharpening
he could be sharpening
we could be sharpening
you could be sharpening
they could be sharpening

Perfeito

I could have sharpened
you could have sharpened
he could have sharpened
we could have sharpened
you could have sharpened
they could have sharpened

Perfeito com V-ing

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

Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interrogativa

Forma simple

could I sharpen?
could you sharpen?
could he sharpen?
could we sharpen?
could you sharpen?
could they sharpen?

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interro-Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

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