I can explain you can explain he can explain we can explain you can explain they can explain
Forma con V-ing
I can be explaining you can be explaining he can be explaining we can be explaining you can be explaining they can be explaining
Perfecto
I can have explained you can have explained he can have explained we can have explained you can have explained they can have explained
Perfecto con V-ing
I can have been explaining you can have been explaining he can have been explaining we can have been explaining you can have been explaining they can have been explaining
Negación
Forma simple
I can't explain you can't explain he can't explain we can't explain you can't explain they can't explain
Forma con V-ing
I can't be explaining you can't be explaining he can't be explaining we can't be explaining you can't be explaining they can't be explaining
Perfecto
I can't have explained you can't have explained he can't have explained we can't have explained you can't have explained they can't have explained
Perfecto con V-ing
I can't have been explaining you can't have been explaining he can't have been explaining we can't have been explaining you can't have been explaining they can't have been explaining
Forma interrogativa
Forma simple
can I explain? can you explain? can he explain? can we explain? can you explain? can they explain?
Forma con V-ing
can I be explaining? can you be explaining? can he be explaining? can we be explaining? can you be explaining? can they be explaining?
Perfecto
can I have explained? can you have explained? can he have explained? can we have explained? can you have explained? can they have explained?
Perfecto con V-ing
can I have been explaining? can you have been explaining? can he have been explaining? can we have been explaining? can you have been explaining? can they have been explaining?
Forma interro-negativa
Forma simple
can't I explain? can't you explain? can't he explain? can't we explain? can't you explain? can't they explain?
Forma con V-ing
can't I be explaining? can't you be explaining? can't he be explaining? can't we be explaining? can't you be explaining? can't they be explaining?
Perfecto
can't I have explained? can't you have explained? can't he have explained? can't we have explained? can't you have explained? can't they have explained?
Perfecto con V-ing
can't I have been explaining? can't you have been explaining? can't he have been explaining? can't we have been explaining? can't you have been explaining? can't they have been explaining?