Conjugación del verbo inglés CAN SUM

Verbo regular: sum - summed - summed

Afirmación

Forma simple

I can sum
you can sum
she can sum
we can sum
you can sum
they can sum

Forma con V-ing

I can be summing
you can be summing
she can be summing
we can be summing
you can be summing
they can be summing

Perfecto

I can have summed
you can have summed
she can have summed
we can have summed
you can have summed
they can have summed

Perfecto con V-ing

I can have been summing
you can have been summing
she can have been summing
we can have been summing
you can have been summing
they can have been summing

Negación

Forma simple

I can't sum
you can't sum
she can't sum
we can't sum
you can't sum
they can't sum

Forma con V-ing

I can't be summing
you can't be summing
she can't be summing
we can't be summing
you can't be summing
they can't be summing

Perfecto

I can't have summed
you can't have summed
she can't have summed
we can't have summed
you can't have summed
they can't have summed

Perfecto con V-ing

I can't have been summing
you can't have been summing
she can't have been summing
we can't have been summing
you can't have been summing
they can't have been summing

Forma interrogativa

Forma simple

can I sum?
can you sum?
can she sum?
can we sum?
can you sum?
can they sum?

Forma con V-ing

can I be summing?
can you be summing?
can she be summing?
can we be summing?
can you be summing?
can they be summing?

Perfecto

can I have summed?
can you have summed?
can she have summed?
can we have summed?
can you have summed?
can they have summed?

Perfecto con V-ing

can I have been summing?
can you have been summing?
can she have been summing?
can we have been summing?
can you have been summing?
can they have been summing?

Forma interro-negativa

Forma simple

can't I sum?
can't you sum?
can't she sum?
can't we sum?
can't you sum?
can't they sum?

Forma con V-ing

can't I be summing?
can't you be summing?
can't she be summing?
can't we be summing?
can't you be summing?
can't they be summing?

Perfecto

can't I have summed?
can't you have summed?
can't she have summed?
can't we have summed?
can't you have summed?
can't they have summed?

Perfecto con V-ing

can't I have been summing?
can't you have been summing?
can't she have been summing?
can't we have been summing?
can't you have been summing?
can't they have been summing?

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