Conjugación del verbo inglés COULD UNDERSTUDY
Verbo regular: understudy - understudied - understudied
Afirmación
Forma simple
I could understudyyou could understudy
he could understudy
we could understudy
you could understudy
they could understudy
Forma con V-ing
I could be understudyingyou could be understudying
he could be understudying
we could be understudying
you could be understudying
they could be understudying
Perfecto
I could have understudiedyou could have understudied
he could have understudied
we could have understudied
you could have understudied
they could have understudied
Perfecto con V-ing
I could have been understudyingyou could have been understudying
he could have been understudying
we could have been understudying
you could have been understudying
they could have been understudying
Negación
Forma simple
I couldn't understudyyou couldn't understudy
he couldn't understudy
we couldn't understudy
you couldn't understudy
they couldn't understudy
Forma con V-ing
I couldn't be understudyingyou couldn't be understudying
he couldn't be understudying
we couldn't be understudying
you couldn't be understudying
they couldn't be understudying
Perfecto
I couldn't have understudiedyou couldn't have understudied
he couldn't have understudied
we couldn't have understudied
you couldn't have understudied
they couldn't have understudied
Perfecto con V-ing
I couldn't have been understudyingyou 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 con 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?
Perfecto
could I have understudied?could you have understudied?
could he have understudied?
could we have understudied?
could you have understudied?
could they have understudied?
Perfecto con 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-negativa
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 con 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?
Perfecto
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?
Perfecto con 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?