Conjugação do verbo inglês MUST SIFT

Verbo regular: sift - sifted - sifted

Afirmação

Forma simple

I must sift
you must sift
she must sift
we must sift
you must sift
they must sift

Forma com V-ing

I must be sifting
you must be sifting
she must be sifting
we must be sifting
you must be sifting
they must be sifting

Perfeito

I must have sifted
you must have sifted
she must have sifted
we must have sifted
you must have sifted
they must have sifted

Perfeito com V-ing

I must have been sifting
you must have been sifting
she must have been sifting
we must have been sifting
you must have been sifting
they must have been sifting

Negação

Forma simple

I mustn't sift
you mustn't sift
she mustn't sift
we mustn't sift
you mustn't sift
they mustn't sift

Forma com V-ing

I mustn't be sifting
you mustn't be sifting
she mustn't be sifting
we mustn't be sifting
you mustn't be sifting
they mustn't be sifting

Perfeito

I mustn't have sifted
you mustn't have sifted
she mustn't have sifted
we mustn't have sifted
you mustn't have sifted
they mustn't have sifted

Perfeito com V-ing

I mustn't have been sifting
you mustn't have been sifting
she mustn't have been sifting
we mustn't have been sifting
you mustn't have been sifting
they mustn't have been sifting

Forma interrogativa

Forma simple

must I sift?
must you sift?
must she sift?
must we sift?
must you sift?
must they sift?

Forma com V-ing

must I be sifting?
must you be sifting?
must she be sifting?
must we be sifting?
must you be sifting?
must they be sifting?

Perfeito

must I have sifted?
must you have sifted?
must she have sifted?
must we have sifted?
must you have sifted?
must they have sifted?

Perfeito com V-ing

must I have been sifting?
must you have been sifting?
must she have been sifting?
must we have been sifting?
must you have been sifting?
must they have been sifting?

Forma interro-Negação

Forma simple

mustn't I sift?
mustn't you sift?
mustn't she sift?
mustn't we sift?
mustn't you sift?
mustn't they sift?

Forma com V-ing

mustn't I be sifting?
mustn't you be sifting?
mustn't she be sifting?
mustn't we be sifting?
mustn't you be sifting?
mustn't they be sifting?

Perfeito

mustn't I have sifted?
mustn't you have sifted?
mustn't she have sifted?
mustn't we have sifted?
mustn't you have sifted?
mustn't they have sifted?

Perfeito com V-ing

mustn't I have been sifting?
mustn't you have been sifting?
mustn't she have been sifting?
mustn't we have been sifting?
mustn't you have been sifting?
mustn't they have been sifting?

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