Conjugaison du verbe anglais
COULD IMPAIR

Verbe régulier : impair - impaired - impaired
Traduction française : diminuer - détériorer

Affirmation

Forme simple	Forme en V-ing
I could impair you could impair she could impair we could impair you could impair they could impair	I could be impairing you could be impairing she could be impairing we could be impairing you could be impairing they could be impairing
Perfect	Perfect en V-ing
I could have impaired you could have impaired she could have impaired we could have impaired you could have impaired they could have impaired	I could have been impairing you could have been impairing she could have been impairing we could have been impairing you could have been impairing they could have been impairing

Négation

Forme simple	Forme en V-ing
I couldn't impair you couldn't impair she couldn't impair we couldn't impair you couldn't impair they couldn't impair	I couldn't be impairing you couldn't be impairing she couldn't be impairing we couldn't be impairing you couldn't be impairing they couldn't be impairing
Perfect	Perfect en V-ing
I couldn't have impaired you couldn't have impaired she couldn't have impaired we couldn't have impaired you couldn't have impaired they couldn't have impaired	I couldn't have been impairing you couldn't have been impairing she couldn't have been impairing we couldn't have been impairing you couldn't have been impairing they couldn't have been impairing

Forme interrogative

Forme simple	Forme en V-ing
could I impair? could you impair? could she impair? could we impair? could you impair? could they impair?	could I be impairing? could you be impairing? could she be impairing? could we be impairing? could you be impairing? could they be impairing?
Perfect	Perfect en V-ing
could I have impaired? could you have impaired? could she have impaired? could we have impaired? could you have impaired? could they have impaired?	could I have been impairing? could you have been impairing? could she have been impairing? could we have been impairing? could you have been impairing? could they have been impairing?

Forme interro-négative

Forme simple	Forme en V-ing
couldn't I impair? couldn't you impair? couldn't she impair? couldn't we impair? couldn't you impair? couldn't they impair?	couldn't I be impairing? couldn't you be impairing? couldn't she be impairing? couldn't we be impairing? couldn't you be impairing? couldn't they be impairing?
Perfect	Perfect en V-ing
couldn't I have impaired? couldn't you have impaired? couldn't she have impaired? couldn't we have impaired? couldn't you have impaired? couldn't they have impaired?	couldn't I have been impairing? couldn't you have been impairing? couldn't she have been impairing? couldn't we have been impairing? couldn't you have been impairing? couldn't they have been impairing?