Conjugación del verbo inglés MUST SUM

Verbo regular: sum - summed - summed

Afirmación

Forma simple

I must sum
you must sum
he must sum
we must sum
you must sum
they must sum

Forma con V-ing

I must be summing
you must be summing
he must be summing
we must be summing
you must be summing
they must be summing

Perfecto

I must have summed
you must have summed
he must have summed
we must have summed
you must have summed
they must have summed

Perfecto con V-ing

I must have been summing
you must have been summing
he must have been summing
we must have been summing
you must have been summing
they must have been summing

Negación

Forma simple

I mustn't sum
you mustn't sum
he mustn't sum
we mustn't sum
you mustn't sum
they mustn't sum

Forma con V-ing

I mustn't be summing
you mustn't be summing
he mustn't be summing
we mustn't be summing
you mustn't be summing
they mustn't be summing

Perfecto

I mustn't have summed
you mustn't have summed
he mustn't have summed
we mustn't have summed
you mustn't have summed
they mustn't have summed

Perfecto con V-ing

I mustn't have been summing
you mustn't have been summing
he mustn't have been summing
we mustn't have been summing
you mustn't have been summing
they mustn't have been summing

Forma interrogativa

Forma simple

must I sum?
must you sum?
must he sum?
must we sum?
must you sum?
must they sum?

Forma con V-ing

must I be summing?
must you be summing?
must he be summing?
must we be summing?
must you be summing?
must they be summing?

Perfecto

must I have summed?
must you have summed?
must he have summed?
must we have summed?
must you have summed?
must they have summed?

Perfecto con V-ing

must I have been summing?
must you have been summing?
must he have been summing?
must we have been summing?
must you have been summing?
must they have been summing?

Forma interro-negativa

Forma simple

mustn't I sum?
mustn't you sum?
mustn't he sum?
mustn't we sum?
mustn't you sum?
mustn't they sum?

Forma con V-ing

mustn't I be summing?
mustn't you be summing?
mustn't he be summing?
mustn't we be summing?
mustn't you be summing?
mustn't they be summing?

Perfecto

mustn't I have summed?
mustn't you have summed?
mustn't he have summed?
mustn't we have summed?
mustn't you have summed?
mustn't they have summed?

Perfecto con V-ing

mustn't I have been summing?
mustn't you have been summing?
mustn't he have been summing?
mustn't we have been summing?
mustn't you have been summing?
mustn't they have been summing?

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