Conjugação do verbo inglês CAN STIFFEN

Verbo regular: stiffen - stiffened - stiffened

Afirmação

Forma simple

I can stiffen
you can stiffen
he can stiffen
we can stiffen
you can stiffen
they can stiffen

Forma com V-ing

I can be stiffening
you can be stiffening
he can be stiffening
we can be stiffening
you can be stiffening
they can be stiffening

Perfeito

I can have stiffened
you can have stiffened
he can have stiffened
we can have stiffened
you can have stiffened
they can have stiffened

Perfeito com V-ing

I can have been stiffening
you can have been stiffening
he can have been stiffening
we can have been stiffening
you can have been stiffening
they can have been stiffening

Negação

Forma simple

I cannot stiffen
you cannot stiffen
he cannot stiffen
we cannot stiffen
you cannot stiffen
they cannot stiffen

Forma com V-ing

I cannot be stiffening
you cannot be stiffening
he cannot be stiffening
we cannot be stiffening
you cannot be stiffening
they cannot be stiffening

Perfeito

I cannot have stiffened
you cannot have stiffened
he cannot have stiffened
we cannot have stiffened
you cannot have stiffened
they cannot have stiffened

Perfeito com V-ing

I cannot have been stiffening
you cannot have been stiffening
he cannot have been stiffening
we cannot have been stiffening
you cannot have been stiffening
they cannot have been stiffening

Forma interrogativa

Forma simple

can I stiffen?
can you stiffen?
can he stiffen?
can we stiffen?
can you stiffen?
can they stiffen?

Forma com V-ing

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

Perfeito

can I have stiffened?
can you have stiffened?
can he have stiffened?
can we have stiffened?
can you have stiffened?
can they have stiffened?

Perfeito com V-ing

can I have been stiffening?
can you have been stiffening?
can he have been stiffening?
can we have been stiffening?
can you have been stiffening?
can they have been stiffening?

Forma interro-Negação

Forma simple

can I not stiffen?
can you not stiffen?
can he not stiffen?
can we not stiffen?
can you not stiffen?
can they not stiffen?

Forma com V-ing

can I not be stiffening?
can you not be stiffening?
can he not be stiffening?
can we not be stiffening?
can you not be stiffening?
can they not be stiffening?

Perfeito

can I not have stiffened?
can you not have stiffened?
can he not have stiffened?
can we not have stiffened?
can you not have stiffened?
can they not have stiffened?

Perfeito com V-ing

can I not have been stiffening?
can you not have been stiffening?
can he not have been stiffening?
can we not have been stiffening?
can you not have been stiffening?
can they not have been stiffening?

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