I can leach you can leach he can leach we can leach you can leach they can leach
Forme en V-ing
I can be leaching you can be leaching he can be leaching we can be leaching you can be leaching they can be leaching
Perfect
I can have leached you can have leached he can have leached we can have leached you can have leached they can have leached
Perfect en V-ing
I can have been leaching you can have been leaching he can have been leaching we can have been leaching you can have been leaching they can have been leaching
Négation
Forme simple
I can't leach you can't leach he can't leach we can't leach you can't leach they can't leach
Forme en V-ing
I can't be leaching you can't be leaching he can't be leaching we can't be leaching you can't be leaching they can't be leaching
Perfect
I can't have leached you can't have leached he can't have leached we can't have leached you can't have leached they can't have leached
Perfect en V-ing
I can't have been leaching you can't have been leaching he can't have been leaching we can't have been leaching you can't have been leaching they can't have been leaching
Forme interrogative
Forme simple
can I leach? can you leach? can he leach? can we leach? can you leach? can they leach?
Forme en V-ing
can I be leaching? can you be leaching? can he be leaching? can we be leaching? can you be leaching? can they be leaching?
Perfect
can I have leached? can you have leached? can he have leached? can we have leached? can you have leached? can they have leached?
Perfect en V-ing
can I have been leaching? can you have been leaching? can he have been leaching? can we have been leaching? can you have been leaching? can they have been leaching?
Forme interro-négative
Forme simple
can't I leach? can't you leach? can't he leach? can't we leach? can't you leach? can't they leach?
Forme en V-ing
can't I be leaching? can't you be leaching? can't he be leaching? can't we be leaching? can't you be leaching? can't they be leaching?
Perfect
can't I have leached? can't you have leached? can't he have leached? can't we have leached? can't you have leached? can't they have leached?
Perfect en V-ing
can't I have been leaching? can't you have been leaching? can't he have been leaching? can't we have been leaching? can't you have been leaching? can't they have been leaching?