I can thicken you can thicken he can thicken we can thicken you can thicken they can thicken
Forma con 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
Perfecto
I can have thickened you can have thickened he can have thickened we can have thickened you can have thickened they can have thickened
Perfecto con 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
Negación
Forma simple
I cannot thicken you cannot thicken he cannot thicken we cannot thicken you cannot thicken they cannot thicken
Forma con 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
Perfecto
I cannot have thickened you cannot have thickened he cannot have thickened we cannot have thickened you cannot have thickened they cannot have thickened
Perfecto con 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
Forma interrogativa
Forma simple
can I thicken? can you thicken? can he thicken? can we thicken? can you thicken? can they thicken?
Forma con 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?
Perfecto
can I have thickened? can you have thickened? can he have thickened? can we have thickened? can you have thickened? can they have thickened?
Perfecto con 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?
Forma interro-negativa
Forma 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?
Forma con 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?
Perfecto
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?
Perfecto con 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?