Conjugaison du verbe anglais COULD UNDERSIGN

Verbe régulier : undersign - undersigned - undersigned

Affirmation

Forme simple

I could undersign
you could undersign
she could undersign
we could undersign
you could undersign
they could undersign

Forme en V-ing

I could be undersigning
you could be undersigning
she could be undersigning
we could be undersigning
you could be undersigning
they could be undersigning

Perfect

I could have undersigned
you could have undersigned
she could have undersigned
we could have undersigned
you could have undersigned
they could have undersigned

Perfect en V-ing

I could have been undersigning
you could have been undersigning
she could have been undersigning
we could have been undersigning
you could have been undersigning
they could have been undersigning

Négation

Forme simple

I couldn't undersign
you couldn't undersign
she couldn't undersign
we couldn't undersign
you couldn't undersign
they couldn't undersign

Forme en V-ing

I couldn't be undersigning
you couldn't be undersigning
she couldn't be undersigning
we couldn't be undersigning
you couldn't be undersigning
they couldn't be undersigning

Perfect

I couldn't have undersigned
you couldn't have undersigned
she couldn't have undersigned
we couldn't have undersigned
you couldn't have undersigned
they couldn't have undersigned

Perfect en V-ing

I couldn't have been undersigning
you couldn't have been undersigning
she couldn't have been undersigning
we couldn't have been undersigning
you couldn't have been undersigning
they couldn't have been undersigning

Forme interrogative

Forme simple

could I undersign?
could you undersign?
could she undersign?
could we undersign?
could you undersign?
could they undersign?

Forme en V-ing

could I be undersigning?
could you be undersigning?
could she be undersigning?
could we be undersigning?
could you be undersigning?
could they be undersigning?

Perfect

could I have undersigned?
could you have undersigned?
could she have undersigned?
could we have undersigned?
could you have undersigned?
could they have undersigned?

Perfect en V-ing

could I have been undersigning?
could you have been undersigning?
could she have been undersigning?
could we have been undersigning?
could you have been undersigning?
could they have been undersigning?

Forme interro-négative

Forme simple

couldn't I undersign?
couldn't you undersign?
couldn't she undersign?
couldn't we undersign?
couldn't you undersign?
couldn't they undersign?

Forme en V-ing

couldn't I be undersigning?
couldn't you be undersigning?
couldn't she be undersigning?
couldn't we be undersigning?
couldn't you be undersigning?
couldn't they be undersigning?

Perfect

couldn't I have undersigned?
couldn't you have undersigned?
couldn't she have undersigned?
couldn't we have undersigned?
couldn't you have undersigned?
couldn't they have undersigned?

Perfect en V-ing

couldn't I have been undersigning?
couldn't you have been undersigning?
couldn't she have been undersigning?
couldn't we have been undersigning?
couldn't you have been undersigning?
couldn't they have been undersigning?

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