Coniugazione del verbo inglese COULD STIFFER

Verbo regolare: stiffer - stiffered - stiffered

Attenzione, questo verbo potrebbe non esistere, la coniugazione viene fornita come esempio.

Affermazione

Forma semplice

I could stiffer
you could stiffer
he could stiffer
we could stiffer
you could stiffer
they could stiffer

Forma con V-ing

I could be stiffering
you could be stiffering
he could be stiffering
we could be stiffering
you could be stiffering
they could be stiffering

Perfetto

I could have stiffered
you could have stiffered
he could have stiffered
we could have stiffered
you could have stiffered
they could have stiffered

Perfetto con V-ing

I could have been stiffering
you could have been stiffering
he could have been stiffering
we could have been stiffering
you could have been stiffering
they could have been stiffering

Negazione

Forma semplice

I couldn't stiffer
you couldn't stiffer
he couldn't stiffer
we couldn't stiffer
you couldn't stiffer
they couldn't stiffer

Forma con V-ing

I couldn't be stiffering
you couldn't be stiffering
he couldn't be stiffering
we couldn't be stiffering
you couldn't be stiffering
they couldn't be stiffering

Perfetto

I couldn't have stiffered
you couldn't have stiffered
he couldn't have stiffered
we couldn't have stiffered
you couldn't have stiffered
they couldn't have stiffered

Perfetto con V-ing

I couldn't have been stiffering
you couldn't have been stiffering
he couldn't have been stiffering
we couldn't have been stiffering
you couldn't have been stiffering
they couldn't have been stiffering

Forma interrogativa

Forma semplice

could I stiffer?
could you stiffer?
could he stiffer?
could we stiffer?
could you stiffer?
could they stiffer?

Forma con V-ing

could I be stiffering?
could you be stiffering?
could he be stiffering?
could we be stiffering?
could you be stiffering?
could they be stiffering?

Perfetto

could I have stiffered?
could you have stiffered?
could he have stiffered?
could we have stiffered?
could you have stiffered?
could they have stiffered?

Perfetto con V-ing

could I have been stiffering?
could you have been stiffering?
could he have been stiffering?
could we have been stiffering?
could you have been stiffering?
could they have been stiffering?

Forma interro-negativa

Forma semplice

couldn't I stiffer?
couldn't you stiffer?
couldn't he stiffer?
couldn't we stiffer?
couldn't you stiffer?
couldn't they stiffer?

Forma con V-ing

couldn't I be stiffering?
couldn't you be stiffering?
couldn't he be stiffering?
couldn't we be stiffering?
couldn't you be stiffering?
couldn't they be stiffering?

Perfetto

couldn't I have stiffered?
couldn't you have stiffered?
couldn't he have stiffered?
couldn't we have stiffered?
couldn't you have stiffered?
couldn't they have stiffered?

Perfetto con V-ing

couldn't I have been stiffering?
couldn't you have been stiffering?
couldn't he have been stiffering?
couldn't we have been stiffering?
couldn't you have been stiffering?
couldn't they have been stiffering?

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