I can congress you can congress he can congress we can congress you can congress they can congress
Forma con V-ing
I can be congressing you can be congressing he can be congressing we can be congressing you can be congressing they can be congressing
Perfecto
I can have congressed you can have congressed he can have congressed we can have congressed you can have congressed they can have congressed
Perfecto con V-ing
I can have been congressing you can have been congressing he can have been congressing we can have been congressing you can have been congressing they can have been congressing
Negación
Forma simple
I can't congress you can't congress he can't congress we can't congress you can't congress they can't congress
Forma con V-ing
I can't be congressing you can't be congressing he can't be congressing we can't be congressing you can't be congressing they can't be congressing
Perfecto
I can't have congressed you can't have congressed he can't have congressed we can't have congressed you can't have congressed they can't have congressed
Perfecto con V-ing
I can't have been congressing you can't have been congressing he can't have been congressing we can't have been congressing you can't have been congressing they can't have been congressing
Forma interrogativa
Forma simple
can I congress? can you congress? can he congress? can we congress? can you congress? can they congress?
Forma con V-ing
can I be congressing? can you be congressing? can he be congressing? can we be congressing? can you be congressing? can they be congressing?
Perfecto
can I have congressed? can you have congressed? can he have congressed? can we have congressed? can you have congressed? can they have congressed?
Perfecto con V-ing
can I have been congressing? can you have been congressing? can he have been congressing? can we have been congressing? can you have been congressing? can they have been congressing?
Forma interro-negativa
Forma simple
can't I congress? can't you congress? can't he congress? can't we congress? can't you congress? can't they congress?
Forma con V-ing
can't I be congressing? can't you be congressing? can't he be congressing? can't we be congressing? can't you be congressing? can't they be congressing?
Perfecto
can't I have congressed? can't you have congressed? can't he have congressed? can't we have congressed? can't you have congressed? can't they have congressed?
Perfecto con V-ing
can't I have been congressing? can't you have been congressing? can't he have been congressing? can't we have been congressing? can't you have been congressing? can't they have been congressing?