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féminin | Modal : aucun | may | might | can | could | shall | should | will | would | must | ought to

Conjugaison du verbe anglais COULD UNDERTAIN

Verbe régulier : undertain - undertained - undertained

Affirmation

Forme simple
I could undertain
you could undertain
he could undertain
we could undertain
you could undertain
they could undertain
Forme en V-ing
I could be undertaining
you could be undertaining
he could be undertaining
we could be undertaining
you could be undertaining
they could be undertaining
Perfect
I could have undertained
you could have undertained
he could have undertained
we could have undertained
you could have undertained
they could have undertained
Perfect en V-ing
I could have been undertaining
you could have been undertaining
he could have been undertaining
we could have been undertaining
you could have been undertaining
they could have been undertaining

Négation

Forme simple
I couldn't undertain
you couldn't undertain
he couldn't undertain
we couldn't undertain
you couldn't undertain
they couldn't undertain
Forme en V-ing
I couldn't be undertaining
you couldn't be undertaining
he couldn't be undertaining
we couldn't be undertaining
you couldn't be undertaining
they couldn't be undertaining
Perfect
I couldn't have undertained
you couldn't have undertained
he couldn't have undertained
we couldn't have undertained
you couldn't have undertained
they couldn't have undertained
Perfect en V-ing
I couldn't have been undertaining
you couldn't have been undertaining
he couldn't have been undertaining
we couldn't have been undertaining
you couldn't have been undertaining
they couldn't have been undertaining

Forme interrogative

Forme simple
could I undertain?
could you undertain?
could he undertain?
could we undertain?
could you undertain?
could they undertain?
Forme en V-ing
could I be undertaining?
could you be undertaining?
could he be undertaining?
could we be undertaining?
could you be undertaining?
could they be undertaining?
Perfect
could I have undertained?
could you have undertained?
could he have undertained?
could we have undertained?
could you have undertained?
could they have undertained?
Perfect en V-ing
could I have been undertaining?
could you have been undertaining?
could he have been undertaining?
could we have been undertaining?
could you have been undertaining?
could they have been undertaining?

Forme interro-négative

Forme simple
couldn't I undertain?
couldn't you undertain?
couldn't he undertain?
couldn't we undertain?
couldn't you undertain?
couldn't they undertain?
Forme en V-ing
couldn't I be undertaining?
couldn't you be undertaining?
couldn't he be undertaining?
couldn't we be undertaining?
couldn't you be undertaining?
couldn't they be undertaining?
Perfect
couldn't I have undertained?
couldn't you have undertained?
couldn't he have undertained?
couldn't we have undertained?
couldn't you have undertained?
couldn't they have undertained?
Perfect en V-ing
couldn't I have been undertaining?
couldn't you have been undertaining?
couldn't he have been undertaining?
couldn't we have been undertaining?
couldn't you have been undertaining?
couldn't they have been undertaining?