Conjugação do verbo inglês CAN SUM

Verbo regular: sum - summed - summed

Afirmação

Forma simple

I can sum
you can sum
he can sum
we can sum
you can sum
they can sum

Forma com V-ing

I can be summing
you can be summing
he can be summing
we can be summing
you can be summing
they can be summing

Perfeito

I can have summed
you can have summed
he 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
he can have been summing
we can have been summing
you can have been summing
they can have been summing

Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

I can't have been summing
you can't have been summing
he 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 he sum?
can we sum?
can you sum?
can they sum?

Forma com V-ing

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

Perfeito

can I have summed?
can you have summed?
can he 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 he have been summing?
can we have been summing?
can you have been summing?
can they have been summing?

Forma interro-Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

can't I have been summing?
can't you have been summing?
can't he 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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