Conjugaison du verbe anglais
COULD LIFEGUARD

Verbe régulier : lifeguard - lifeguarded - lifeguarded

Affirmation

Forme simple	Forme en V-ing
I could lifeguard you could lifeguard she could lifeguard we could lifeguard you could lifeguard they could lifeguard	I could be lifeguarding you could be lifeguarding she could be lifeguarding we could be lifeguarding you could be lifeguarding they could be lifeguarding
Perfect	Perfect en V-ing
I could have lifeguarded you could have lifeguarded she could have lifeguarded we could have lifeguarded you could have lifeguarded they could have lifeguarded	I could have been lifeguarding you could have been lifeguarding she could have been lifeguarding we could have been lifeguarding you could have been lifeguarding they could have been lifeguarding

Négation

Forme simple	Forme en V-ing
I could not lifeguard you could not lifeguard she could not lifeguard we could not lifeguard you could not lifeguard they could not lifeguard	I could not be lifeguarding you could not be lifeguarding she could not be lifeguarding we could not be lifeguarding you could not be lifeguarding they could not be lifeguarding
Perfect	Perfect en V-ing
I could not have lifeguarded you could not have lifeguarded she could not have lifeguarded we could not have lifeguarded you could not have lifeguarded they could not have lifeguarded	I could not have been lifeguarding you could not have been lifeguarding she could not have been lifeguarding we could not have been lifeguarding you could not have been lifeguarding they could not have been lifeguarding

Forme interrogative

Forme simple	Forme en V-ing
could I lifeguard? could you lifeguard? could she lifeguard? could we lifeguard? could you lifeguard? could they lifeguard?	could I be lifeguarding? could you be lifeguarding? could she be lifeguarding? could we be lifeguarding? could you be lifeguarding? could they be lifeguarding?
Perfect	Perfect en V-ing
could I have lifeguarded? could you have lifeguarded? could she have lifeguarded? could we have lifeguarded? could you have lifeguarded? could they have lifeguarded?	could I have been lifeguarding? could you have been lifeguarding? could she have been lifeguarding? could we have been lifeguarding? could you have been lifeguarding? could they have been lifeguarding?

Forme interro-négative

Forme simple	Forme en V-ing
could I not lifeguard? could you not lifeguard? could she not lifeguard? could we not lifeguard? could you not lifeguard? could they not lifeguard?	could I not be lifeguarding? could you not be lifeguarding? could she not be lifeguarding? could we not be lifeguarding? could you not be lifeguarding? could they not be lifeguarding?
Perfect	Perfect en V-ing
could I not have lifeguarded? could you not have lifeguarded? could she not have lifeguarded? could we not have lifeguarded? could you not have lifeguarded? could they not have lifeguarded?	could I not have been lifeguarding? could you not have been lifeguarding? could she not have been lifeguarding? could we not have been lifeguarding? could you not have been lifeguarding? could they not have been lifeguarding?