I can roast you can roast he can roast we can roast you can roast they can roast
Forme en V-ing
I can be roasting you can be roasting he can be roasting we can be roasting you can be roasting they can be roasting
Perfect
I can have roasted you can have roasted he can have roasted we can have roasted you can have roasted they can have roasted
Perfect en V-ing
I can have been roasting you can have been roasting he can have been roasting we can have been roasting you can have been roasting they can have been roasting
Négation
Forme simple
I can't roast you can't roast he can't roast we can't roast you can't roast they can't roast
Forme en V-ing
I can't be roasting you can't be roasting he can't be roasting we can't be roasting you can't be roasting they can't be roasting
Perfect
I can't have roasted you can't have roasted he can't have roasted we can't have roasted you can't have roasted they can't have roasted
Perfect en V-ing
I can't have been roasting you can't have been roasting he can't have been roasting we can't have been roasting you can't have been roasting they can't have been roasting
Forme interrogative
Forme simple
can I roast? can you roast? can he roast? can we roast? can you roast? can they roast?
Forme en V-ing
can I be roasting? can you be roasting? can he be roasting? can we be roasting? can you be roasting? can they be roasting?
Perfect
can I have roasted? can you have roasted? can he have roasted? can we have roasted? can you have roasted? can they have roasted?
Perfect en V-ing
can I have been roasting? can you have been roasting? can he have been roasting? can we have been roasting? can you have been roasting? can they have been roasting?
Forme interro-négative
Forme simple
can't I roast? can't you roast? can't he roast? can't we roast? can't you roast? can't they roast?
Forme en V-ing
can't I be roasting? can't you be roasting? can't he be roasting? can't we be roasting? can't you be roasting? can't they be roasting?
Perfect
can't I have roasted? can't you have roasted? can't he have roasted? can't we have roasted? can't you have roasted? can't they have roasted?
Perfect en V-ing
can't I have been roasting? can't you have been roasting? can't he have been roasting? can't we have been roasting? can't you have been roasting? can't they have been roasting?