I can lighten you can lighten she can lighten we can lighten you can lighten they can lighten
Forma com V-ing
I can be lightening you can be lightening she can be lightening we can be lightening you can be lightening they can be lightening
Perfeito
I can have lightened you can have lightened she can have lightened we can have lightened you can have lightened they can have lightened
Perfeito com V-ing
I can have been lightening you can have been lightening she can have been lightening we can have been lightening you can have been lightening they can have been lightening
Negação
Forma simple
I cannot lighten you cannot lighten she cannot lighten we cannot lighten you cannot lighten they cannot lighten
Forma com V-ing
I cannot be lightening you cannot be lightening she cannot be lightening we cannot be lightening you cannot be lightening they cannot be lightening
Perfeito
I cannot have lightened you cannot have lightened she cannot have lightened we cannot have lightened you cannot have lightened they cannot have lightened
Perfeito com V-ing
I cannot have been lightening you cannot have been lightening she cannot have been lightening we cannot have been lightening you cannot have been lightening they cannot have been lightening
Forma interrogativa
Forma simple
can I lighten? can you lighten? can she lighten? can we lighten? can you lighten? can they lighten?
Forma com V-ing
can I be lightening? can you be lightening? can she be lightening? can we be lightening? can you be lightening? can they be lightening?
Perfeito
can I have lightened? can you have lightened? can she have lightened? can we have lightened? can you have lightened? can they have lightened?
Perfeito com V-ing
can I have been lightening? can you have been lightening? can she have been lightening? can we have been lightening? can you have been lightening? can they have been lightening?
Forma interro-Negação
Forma simple
can I not lighten? can you not lighten? can she not lighten? can we not lighten? can you not lighten? can they not lighten?
Forma com V-ing
can I not be lightening? can you not be lightening? can she not be lightening? can we not be lightening? can you not be lightening? can they not be lightening?
Perfeito
can I not have lightened? can you not have lightened? can she not have lightened? can we not have lightened? can you not have lightened? can they not have lightened?
Perfeito com V-ing
can I not have been lightening? can you not have been lightening? can she not have been lightening? can we not have been lightening? can you not have been lightening? can they not have been lightening?