Conjugação do verbo inglês COULD CHECK

Verbo regular: check - checked - checked

Afirmação

Forma simple

I could check
you could check
he could check
we could check
you could check
they could check

Forma com V-ing

I could be checking
you could be checking
he could be checking
we could be checking
you could be checking
they could be checking

Perfeito

I could have checked
you could have checked
he could have checked
we could have checked
you could have checked
they could have checked

Perfeito com V-ing

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

Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interrogativa

Forma simple

could I check?
could you check?
could he check?
could we check?
could you check?
could they check?

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interro-Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

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