I can thicken you can thicken he can thicken we can thicken you can thicken they can thicken
Forme en V-ing
I can be thickening you can be thickening he can be thickening we can be thickening you can be thickening they can be thickening
Perfect
I can have thickened you can have thickened he can have thickened we can have thickened you can have thickened they can have thickened
Perfect en V-ing
I can have been thickening you can have been thickening he can have been thickening we can have been thickening you can have been thickening they can have been thickening
Négation
Forme simple
I cannot thicken you cannot thicken he cannot thicken we cannot thicken you cannot thicken they cannot thicken
Forme en V-ing
I cannot be thickening you cannot be thickening he cannot be thickening we cannot be thickening you cannot be thickening they cannot be thickening
Perfect
I cannot have thickened you cannot have thickened he cannot have thickened we cannot have thickened you cannot have thickened they cannot have thickened
Perfect en V-ing
I cannot have been thickening you cannot have been thickening he cannot have been thickening we cannot have been thickening you cannot have been thickening they cannot have been thickening
Forme interrogative
Forme simple
can I thicken? can you thicken? can he thicken? can we thicken? can you thicken? can they thicken?
Forme en V-ing
can I be thickening? can you be thickening? can he be thickening? can we be thickening? can you be thickening? can they be thickening?
Perfect
can I have thickened? can you have thickened? can he have thickened? can we have thickened? can you have thickened? can they have thickened?
Perfect en V-ing
can I have been thickening? can you have been thickening? can he have been thickening? can we have been thickening? can you have been thickening? can they have been thickening?
Forme interro-négative
Forme simple
can I not thicken? can you not thicken? can he not thicken? can we not thicken? can you not thicken? can they not thicken?
Forme en V-ing
can I not be thickening? can you not be thickening? can he not be thickening? can we not be thickening? can you not be thickening? can they not be thickening?
Perfect
can I not have thickened? can you not have thickened? can he not have thickened? can we not have thickened? can you not have thickened? can they not have thickened?
Perfect en V-ing
can I not have been thickening? can you not have been thickening? can he not have been thickening? can we not have been thickening? can you not have been thickening? can they not have been thickening?