Conjugação do verbo inglês COULD UNDERSTUDY

Verbo regular: understudy - understudied - understudied

Afirmação

Forma simple

I could understudy
you could understudy
he could understudy
we could understudy
you could understudy
they could understudy

Forma com V-ing

I could be understudying
you could be understudying
he could be understudying
we could be understudying
you could be understudying
they could be understudying

Perfeito

I could have understudied
you could have understudied
he could have understudied
we could have understudied
you could have understudied
they could have understudied

Perfeito com V-ing

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

Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interrogativa

Forma simple

could I understudy?
could you understudy?
could he understudy?
could we understudy?
could you understudy?
could they understudy?

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interro-Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

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