Conjugación del verbo inglés COULD UNDERSIGN
Verbo regular: undersign - undersigned - undersigned
Afirmación
Forma simple
I could undersignyou could undersign
he could undersign
we could undersign
you could undersign
they could undersign
Forma con V-ing
I could be undersigningyou could be undersigning
he could be undersigning
we could be undersigning
you could be undersigning
they could be undersigning
Perfecto
I could have undersignedyou could have undersigned
he could have undersigned
we could have undersigned
you could have undersigned
they could have undersigned
Perfecto con V-ing
I could have been undersigningyou could have been undersigning
he could have been undersigning
we could have been undersigning
you could have been undersigning
they could have been undersigning
Negación
Forma simple
I couldn't undersignyou couldn't undersign
he couldn't undersign
we couldn't undersign
you couldn't undersign
they couldn't undersign
Forma con V-ing
I couldn't be undersigningyou couldn't be undersigning
he couldn't be undersigning
we couldn't be undersigning
you couldn't be undersigning
they couldn't be undersigning
Perfecto
I couldn't have undersignedyou couldn't have undersigned
he couldn't have undersigned
we couldn't have undersigned
you couldn't have undersigned
they couldn't have undersigned
Perfecto con V-ing
I couldn't have been undersigningyou couldn't have been undersigning
he couldn't have been undersigning
we couldn't have been undersigning
you couldn't have been undersigning
they couldn't have been undersigning
Forma interrogativa
Forma simple
could I undersign?could you undersign?
could he undersign?
could we undersign?
could you undersign?
could they undersign?
Forma con V-ing
could I be undersigning?could you be undersigning?
could he be undersigning?
could we be undersigning?
could you be undersigning?
could they be undersigning?
Perfecto
could I have undersigned?could you have undersigned?
could he have undersigned?
could we have undersigned?
could you have undersigned?
could they have undersigned?
Perfecto con V-ing
could I have been undersigning?could you have been undersigning?
could he have been undersigning?
could we have been undersigning?
could you have been undersigning?
could they have been undersigning?
Forma interro-negativa
Forma simple
couldn't I undersign?couldn't you undersign?
couldn't he undersign?
couldn't we undersign?
couldn't you undersign?
couldn't they undersign?
Forma con V-ing
couldn't I be undersigning?couldn't you be undersigning?
couldn't he be undersigning?
couldn't we be undersigning?
couldn't you be undersigning?
couldn't they be undersigning?
Perfecto
couldn't I have undersigned?couldn't you have undersigned?
couldn't he have undersigned?
couldn't we have undersigned?
couldn't you have undersigned?
couldn't they have undersigned?
Perfecto con V-ing
couldn't I have been undersigning?couldn't you have been undersigning?
couldn't he have been undersigning?
couldn't we have been undersigning?
couldn't you have been undersigning?
couldn't they have been undersigning?