Conjugação do verbo inglês CAN SUM

Verbo regular: sum - summed - summed

Afirmação

Forma simple

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

Forma com 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

Perfeito

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

Perfeito com 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

Negação

Forma simple

I cannot sum
you cannot sum
she cannot sum
we cannot sum
you cannot sum
they cannot sum

Forma com V-ing

I cannot be summing
you cannot be summing
she cannot be summing
we cannot be summing
you cannot be summing
they cannot be summing

Perfeito

I cannot have summed
you cannot have summed
she cannot have summed
we cannot have summed
you cannot have summed
they cannot have summed

Perfeito com V-ing

I cannot have been summing
you cannot have been summing
she cannot have been summing
we cannot have been summing
you cannot have been summing
they cannot 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 com 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?

Perfeito

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

Perfeito com 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-Negação

Forma simple

can I not sum?
can you not sum?
can she not sum?
can we not sum?
can you not sum?
can they not sum?

Forma com V-ing

can I not be summing?
can you not be summing?
can she not be summing?
can we not be summing?
can you not be summing?
can they not be summing?

Perfeito

can I not have summed?
can you not have summed?
can she not have summed?
can we not have summed?
can you not have summed?
can they not have summed?

Perfeito com V-ing

can I not have been summing?
can you not have been summing?
can she not have been summing?
can we not have been summing?
can you not have been summing?
can they not have been summing?

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