Conjugaison du verbe anglais
COULD PERCUSS

Verbe régulier : percuss - percussed - percussed

Affirmation

Forme simple	Forme en V-ing
I could percuss you could percuss he could percuss we could percuss you could percuss they could percuss	I could be percussing you could be percussing he could be percussing we could be percussing you could be percussing they could be percussing
Perfect	Perfect en V-ing
I could have percussed you could have percussed he could have percussed we could have percussed you could have percussed they could have percussed	I could have been percussing you could have been percussing he could have been percussing we could have been percussing you could have been percussing they could have been percussing

Négation

Forme simple	Forme en V-ing
I couldn't percuss you couldn't percuss he couldn't percuss we couldn't percuss you couldn't percuss they couldn't percuss	I couldn't be percussing you couldn't be percussing he couldn't be percussing we couldn't be percussing you couldn't be percussing they couldn't be percussing
Perfect	Perfect en V-ing
I couldn't have percussed you couldn't have percussed he couldn't have percussed we couldn't have percussed you couldn't have percussed they couldn't have percussed	I couldn't have been percussing you couldn't have been percussing he couldn't have been percussing we couldn't have been percussing you couldn't have been percussing they couldn't have been percussing

Forme interrogative

Forme simple	Forme en V-ing
could I percuss? could you percuss? could he percuss? could we percuss? could you percuss? could they percuss?	could I be percussing? could you be percussing? could he be percussing? could we be percussing? could you be percussing? could they be percussing?
Perfect	Perfect en V-ing
could I have percussed? could you have percussed? could he have percussed? could we have percussed? could you have percussed? could they have percussed?	could I have been percussing? could you have been percussing? could he have been percussing? could we have been percussing? could you have been percussing? could they have been percussing?

Forme interro-négative

Forme simple	Forme en V-ing
couldn't I percuss? couldn't you percuss? couldn't he percuss? couldn't we percuss? couldn't you percuss? couldn't they percuss?	couldn't I be percussing? couldn't you be percussing? couldn't he be percussing? couldn't we be percussing? couldn't you be percussing? couldn't they be percussing?
Perfect	Perfect en V-ing
couldn't I have percussed? couldn't you have percussed? couldn't he have percussed? couldn't we have percussed? couldn't you have percussed? couldn't they have percussed?	couldn't I have been percussing? couldn't you have been percussing? couldn't he have been percussing? couldn't we have been percussing? couldn't you have been percussing? couldn't they have been percussing?