I can seed you can seed he can seed we can seed you can seed they can seed
Forma com V-ing
I can be seeding you can be seeding he can be seeding we can be seeding you can be seeding they can be seeding
Perfeito
I can have seeded you can have seeded he can have seeded we can have seeded you can have seeded they can have seeded
Perfeito com V-ing
I can have been seeding you can have been seeding he can have been seeding we can have been seeding you can have been seeding they can have been seeding
Negação
Forma simple
I can't seed you can't seed he can't seed we can't seed you can't seed they can't seed
Forma com V-ing
I can't be seeding you can't be seeding he can't be seeding we can't be seeding you can't be seeding they can't be seeding
Perfeito
I can't have seeded you can't have seeded he can't have seeded we can't have seeded you can't have seeded they can't have seeded
Perfeito com V-ing
I can't have been seeding you can't have been seeding he can't have been seeding we can't have been seeding you can't have been seeding they can't have been seeding
Forma interrogativa
Forma simple
can I seed? can you seed? can he seed? can we seed? can you seed? can they seed?
Forma com V-ing
can I be seeding? can you be seeding? can he be seeding? can we be seeding? can you be seeding? can they be seeding?
Perfeito
can I have seeded? can you have seeded? can he have seeded? can we have seeded? can you have seeded? can they have seeded?
Perfeito com V-ing
can I have been seeding? can you have been seeding? can he have been seeding? can we have been seeding? can you have been seeding? can they have been seeding?
Forma interro-Negação
Forma simple
can't I seed? can't you seed? can't he seed? can't we seed? can't you seed? can't they seed?
Forma com V-ing
can't I be seeding? can't you be seeding? can't he be seeding? can't we be seeding? can't you be seeding? can't they be seeding?
Perfeito
can't I have seeded? can't you have seeded? can't he have seeded? can't we have seeded? can't you have seeded? can't they have seeded?
Perfeito com V-ing
can't I have been seeding? can't you have been seeding? can't he have been seeding? can't we have been seeding? can't you have been seeding? can't they have been seeding?