I can boil you can boil he can boil we can boil you can boil they can boil
Forma con V-ing
I can be boiling you can be boiling he can be boiling we can be boiling you can be boiling they can be boiling
Perfecto
I can have boiled you can have boiled he can have boiled we can have boiled you can have boiled they can have boiled
Perfecto con V-ing
I can have been boiling you can have been boiling he can have been boiling we can have been boiling you can have been boiling they can have been boiling
Negación
Forma simple
I cannot boil you cannot boil he cannot boil we cannot boil you cannot boil they cannot boil
Forma con V-ing
I cannot be boiling you cannot be boiling he cannot be boiling we cannot be boiling you cannot be boiling they cannot be boiling
Perfecto
I cannot have boiled you cannot have boiled he cannot have boiled we cannot have boiled you cannot have boiled they cannot have boiled
Perfecto con V-ing
I cannot have been boiling you cannot have been boiling he cannot have been boiling we cannot have been boiling you cannot have been boiling they cannot have been boiling
Forma interrogativa
Forma simple
can I boil? can you boil? can he boil? can we boil? can you boil? can they boil?
Forma con V-ing
can I be boiling? can you be boiling? can he be boiling? can we be boiling? can you be boiling? can they be boiling?
Perfecto
can I have boiled? can you have boiled? can he have boiled? can we have boiled? can you have boiled? can they have boiled?
Perfecto con V-ing
can I have been boiling? can you have been boiling? can he have been boiling? can we have been boiling? can you have been boiling? can they have been boiling?
Forma interro-negativa
Forma simple
can I not boil? can you not boil? can he not boil? can we not boil? can you not boil? can they not boil?
Forma con V-ing
can I not be boiling? can you not be boiling? can he not be boiling? can we not be boiling? can you not be boiling? can they not be boiling?
Perfecto
can I not have boiled? can you not have boiled? can he not have boiled? can we not have boiled? can you not have boiled? can they not have boiled?
Perfecto con V-ing
can I not have been boiling? can you not have been boiling? can he not have been boiling? can we not have been boiling? can you not have been boiling? can they not have been boiling?