Conjugação do verbo inglês COULD PREBOARD

Verbo regular: preboard - preboarded - preboarded

Afirmação

Forma simple

I could preboard
you could preboard
he could preboard
we could preboard
you could preboard
they could preboard

Forma com V-ing

I could be preboarding
you could be preboarding
he could be preboarding
we could be preboarding
you could be preboarding
they could be preboarding

Perfeito

I could have preboarded
you could have preboarded
he could have preboarded
we could have preboarded
you could have preboarded
they could have preboarded

Perfeito com V-ing

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

Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interrogativa

Forma simple

could I preboard?
could you preboard?
could he preboard?
could we preboard?
could you preboard?
could they preboard?

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interro-Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

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