I can mess you can mess she can mess we can mess you can mess they can mess
Forma com V-ing
I can be messing you can be messing she can be messing we can be messing you can be messing they can be messing
Perfeito
I can have messed you can have messed she can have messed we can have messed you can have messed they can have messed
Perfeito com V-ing
I can have been messing you can have been messing she can have been messing we can have been messing you can have been messing they can have been messing
Negação
Forma simple
I cannot mess you cannot mess she cannot mess we cannot mess you cannot mess they cannot mess
Forma com V-ing
I cannot be messing you cannot be messing she cannot be messing we cannot be messing you cannot be messing they cannot be messing
Perfeito
I cannot have messed you cannot have messed she cannot have messed we cannot have messed you cannot have messed they cannot have messed
Perfeito com V-ing
I cannot have been messing you cannot have been messing she cannot have been messing we cannot have been messing you cannot have been messing they cannot have been messing
Forma interrogativa
Forma simple
can I mess? can you mess? can she mess? can we mess? can you mess? can they mess?
Forma com V-ing
can I be messing? can you be messing? can she be messing? can we be messing? can you be messing? can they be messing?
Perfeito
can I have messed? can you have messed? can she have messed? can we have messed? can you have messed? can they have messed?
Perfeito com V-ing
can I have been messing? can you have been messing? can she have been messing? can we have been messing? can you have been messing? can they have been messing?
Forma interro-Negação
Forma simple
can I not mess? can you not mess? can she not mess? can we not mess? can you not mess? can they not mess?
Forma com V-ing
can I not be messing? can you not be messing? can she not be messing? can we not be messing? can you not be messing? can they not be messing?
Perfeito
can I not have messed? can you not have messed? can she not have messed? can we not have messed? can you not have messed? can they not have messed?
Perfeito com V-ing
can I not have been messing? can you not have been messing? can she not have been messing? can we not have been messing? can you not have been messing? can they not have been messing?