I can boil you can boil he can boil we can boil you can boil they can boil
Forma com 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
Perfeito
I can have boiled you can have boiled he can have boiled we can have boiled you can have boiled they can have boiled
Perfeito com 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
Negação
Forma simple
I cannot boil you cannot boil he cannot boil we cannot boil you cannot boil they cannot boil
Forma com 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
Perfeito
I cannot have boiled you cannot have boiled he cannot have boiled we cannot have boiled you cannot have boiled they cannot have boiled
Perfeito com 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 com 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?
Perfeito
can I have boiled? can you have boiled? can he have boiled? can we have boiled? can you have boiled? can they have boiled?
Perfeito com 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-Negação
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 com 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?
Perfeito
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?
Perfeito com 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?