I can sail you can sail he can sail we can sail you can sail they can sail
Forma com V-ing
I can be sailing you can be sailing he can be sailing we can be sailing you can be sailing they can be sailing
Perfeito
I can have sailed you can have sailed he can have sailed we can have sailed you can have sailed they can have sailed
Perfeito com V-ing
I can have been sailing you can have been sailing he can have been sailing we can have been sailing you can have been sailing they can have been sailing
Negação
Forma simple
I can't sail you can't sail he can't sail we can't sail you can't sail they can't sail
Forma com V-ing
I can't be sailing you can't be sailing he can't be sailing we can't be sailing you can't be sailing they can't be sailing
Perfeito
I can't have sailed you can't have sailed he can't have sailed we can't have sailed you can't have sailed they can't have sailed
Perfeito com V-ing
I can't have been sailing you can't have been sailing he can't have been sailing we can't have been sailing you can't have been sailing they can't have been sailing
Forma interrogativa
Forma simple
can I sail? can you sail? can he sail? can we sail? can you sail? can they sail?
Forma com V-ing
can I be sailing? can you be sailing? can he be sailing? can we be sailing? can you be sailing? can they be sailing?
Perfeito
can I have sailed? can you have sailed? can he have sailed? can we have sailed? can you have sailed? can they have sailed?
Perfeito com V-ing
can I have been sailing? can you have been sailing? can he have been sailing? can we have been sailing? can you have been sailing? can they have been sailing?
Forma interro-Negação
Forma simple
can't I sail? can't you sail? can't he sail? can't we sail? can't you sail? can't they sail?
Forma com V-ing
can't I be sailing? can't you be sailing? can't he be sailing? can't we be sailing? can't you be sailing? can't they be sailing?
Perfeito
can't I have sailed? can't you have sailed? can't he have sailed? can't we have sailed? can't you have sailed? can't they have sailed?
Perfeito com V-ing
can't I have been sailing? can't you have been sailing? can't he have been sailing? can't we have been sailing? can't you have been sailing? can't they have been sailing?