Conjugación del verbo inglés COULD SIFT
Verbo regular: sift - sifted - sifted
Afirmación
Forma simple
I could siftyou could sift
he could sift
we could sift
you could sift
they could sift
Forma con V-ing
I could be siftingyou could be sifting
he could be sifting
we could be sifting
you could be sifting
they could be sifting
Perfecto
I could have siftedyou could have sifted
he could have sifted
we could have sifted
you could have sifted
they could have sifted
Perfecto con V-ing
I could have been siftingyou could have been sifting
he could have been sifting
we could have been sifting
you could have been sifting
they could have been sifting
Negación
Forma simple
I couldn't siftyou couldn't sift
he couldn't sift
we couldn't sift
you couldn't sift
they couldn't sift
Forma con V-ing
I couldn't be siftingyou couldn't be sifting
he couldn't be sifting
we couldn't be sifting
you couldn't be sifting
they couldn't be sifting
Perfecto
I couldn't have siftedyou couldn't have sifted
he couldn't have sifted
we couldn't have sifted
you couldn't have sifted
they couldn't have sifted
Perfecto con V-ing
I couldn't have been siftingyou couldn't have been sifting
he couldn't have been sifting
we couldn't have been sifting
you couldn't have been sifting
they couldn't have been sifting
Forma interrogativa
Forma simple
could I sift?could you sift?
could he sift?
could we sift?
could you sift?
could they sift?
Forma con V-ing
could I be sifting?could you be sifting?
could he be sifting?
could we be sifting?
could you be sifting?
could they be sifting?
Perfecto
could I have sifted?could you have sifted?
could he have sifted?
could we have sifted?
could you have sifted?
could they have sifted?
Perfecto con V-ing
could I have been sifting?could you have been sifting?
could he have been sifting?
could we have been sifting?
could you have been sifting?
could they have been sifting?
Forma interro-negativa
Forma simple
couldn't I sift?couldn't you sift?
couldn't he sift?
couldn't we sift?
couldn't you sift?
couldn't they sift?
Forma con V-ing
couldn't I be sifting?couldn't you be sifting?
couldn't he be sifting?
couldn't we be sifting?
couldn't you be sifting?
couldn't they be sifting?
Perfecto
couldn't I have sifted?couldn't you have sifted?
couldn't he have sifted?
couldn't we have sifted?
couldn't you have sifted?
couldn't they have sifted?
Perfecto con V-ing
couldn't I have been sifting?couldn't you have been sifting?
couldn't he have been sifting?
couldn't we have been sifting?
couldn't you have been sifting?
couldn't they have been sifting?