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