I can prefix you can prefix he can prefix we can prefix you can prefix they can prefix
Forme en V-ing
I can be prefixing you can be prefixing he can be prefixing we can be prefixing you can be prefixing they can be prefixing
Perfect
I can have prefixed you can have prefixed he can have prefixed we can have prefixed you can have prefixed they can have prefixed
Perfect en V-ing
I can have been prefixing you can have been prefixing he can have been prefixing we can have been prefixing you can have been prefixing they can have been prefixing
Négation
Forme simple
I can't prefix you can't prefix he can't prefix we can't prefix you can't prefix they can't prefix
Forme en V-ing
I can't be prefixing you can't be prefixing he can't be prefixing we can't be prefixing you can't be prefixing they can't be prefixing
Perfect
I can't have prefixed you can't have prefixed he can't have prefixed we can't have prefixed you can't have prefixed they can't have prefixed
Perfect en V-ing
I can't have been prefixing you can't have been prefixing he can't have been prefixing we can't have been prefixing you can't have been prefixing they can't have been prefixing
Forme interrogative
Forme simple
can I prefix? can you prefix? can he prefix? can we prefix? can you prefix? can they prefix?
Forme en V-ing
can I be prefixing? can you be prefixing? can he be prefixing? can we be prefixing? can you be prefixing? can they be prefixing?
Perfect
can I have prefixed? can you have prefixed? can he have prefixed? can we have prefixed? can you have prefixed? can they have prefixed?
Perfect en V-ing
can I have been prefixing? can you have been prefixing? can he have been prefixing? can we have been prefixing? can you have been prefixing? can they have been prefixing?
Forme interro-négative
Forme simple
can't I prefix? can't you prefix? can't he prefix? can't we prefix? can't you prefix? can't they prefix?
Forme en V-ing
can't I be prefixing? can't you be prefixing? can't he be prefixing? can't we be prefixing? can't you be prefixing? can't they be prefixing?
Perfect
can't I have prefixed? can't you have prefixed? can't he have prefixed? can't we have prefixed? can't you have prefixed? can't they have prefixed?
Perfect en V-ing
can't I have been prefixing? can't you have been prefixing? can't he have been prefixing? can't we have been prefixing? can't you have been prefixing? can't they have been prefixing?