I could grease you could grease he could grease we could grease you could grease they could grease
Forme en V-ing
I could be greasing you could be greasing he could be greasing we could be greasing you could be greasing they could be greasing
Perfect
I could have greased you could have greased he could have greased we could have greased you could have greased they could have greased
Perfect en V-ing
I could have been greasing you could have been greasing he could have been greasing we could have been greasing you could have been greasing they could have been greasing
Négation
Forme simple
I couldn't grease you couldn't grease he couldn't grease we couldn't grease you couldn't grease they couldn't grease
Forme en V-ing
I couldn't be greasing you couldn't be greasing he couldn't be greasing we couldn't be greasing you couldn't be greasing they couldn't be greasing
Perfect
I couldn't have greased you couldn't have greased he couldn't have greased we couldn't have greased you couldn't have greased they couldn't have greased
Perfect en V-ing
I couldn't have been greasing you couldn't have been greasing he couldn't have been greasing we couldn't have been greasing you couldn't have been greasing they couldn't have been greasing
Forme interrogative
Forme simple
could I grease? could you grease? could he grease? could we grease? could you grease? could they grease?
Forme en V-ing
could I be greasing? could you be greasing? could he be greasing? could we be greasing? could you be greasing? could they be greasing?
Perfect
could I have greased? could you have greased? could he have greased? could we have greased? could you have greased? could they have greased?
Perfect en V-ing
could I have been greasing? could you have been greasing? could he have been greasing? could we have been greasing? could you have been greasing? could they have been greasing?
Forme interro-négative
Forme simple
couldn't I grease? couldn't you grease? couldn't he grease? couldn't we grease? couldn't you grease? couldn't they grease?
Forme en V-ing
couldn't I be greasing? couldn't you be greasing? couldn't he be greasing? couldn't we be greasing? couldn't you be greasing? couldn't they be greasing?
Perfect
couldn't I have greased? couldn't you have greased? couldn't he have greased? couldn't we have greased? couldn't you have greased? couldn't they have greased?
Perfect en V-ing
couldn't I have been greasing? couldn't you have been greasing? couldn't he have been greasing? couldn't we have been greasing? couldn't you have been greasing? couldn't they have been greasing?