I can seethe you can seethe he can seethe we can seethe you can seethe they can seethe
Forma con V-ing
I can be seething you can be seething he can be seething we can be seething you can be seething they can be seething
Perfecto
I can have seethed you can have seethed he can have seethed we can have seethed you can have seethed they can have seethed
Perfecto con V-ing
I can have been seething you can have been seething he can have been seething we can have been seething you can have been seething they can have been seething
Negación
Forma simple
I can't seethe you can't seethe he can't seethe we can't seethe you can't seethe they can't seethe
Forma con V-ing
I can't be seething you can't be seething he can't be seething we can't be seething you can't be seething they can't be seething
Perfecto
I can't have seethed you can't have seethed he can't have seethed we can't have seethed you can't have seethed they can't have seethed
Perfecto con V-ing
I can't have been seething you can't have been seething he can't have been seething we can't have been seething you can't have been seething they can't have been seething
Forma interrogativa
Forma simple
can I seethe? can you seethe? can he seethe? can we seethe? can you seethe? can they seethe?
Forma con V-ing
can I be seething? can you be seething? can he be seething? can we be seething? can you be seething? can they be seething?
Perfecto
can I have seethed? can you have seethed? can he have seethed? can we have seethed? can you have seethed? can they have seethed?
Perfecto con V-ing
can I have been seething? can you have been seething? can he have been seething? can we have been seething? can you have been seething? can they have been seething?
Forma interro-negativa
Forma simple
can't I seethe? can't you seethe? can't he seethe? can't we seethe? can't you seethe? can't they seethe?
Forma con V-ing
can't I be seething? can't you be seething? can't he be seething? can't we be seething? can't you be seething? can't they be seething?
Perfecto
can't I have seethed? can't you have seethed? can't he have seethed? can't we have seethed? can't you have seethed? can't they have seethed?
Perfecto con V-ing
can't I have been seething? can't you have been seething? can't he have been seething? can't we have been seething? can't you have been seething? can't they have been seething?