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