can boil
Verbo regular: boil - boiled- boiled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can boil
you can boil
he can boil
we can boil
you can boil
they can boil 	I can be boiling
you can be boiling
he can be boiling
we can be boiling
you can be boiling
they can be boiling	I can have boiled
you can have boiled
he can have boiled
we can have boiled
you can have boiled
they can have boiled	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 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot boil
you cannot boil
he cannot boil
we cannot boil
you cannot boil
they cannot boil 	I cannot be boiling
you cannot be boiling
he cannot be boiling
we cannot be boiling
you cannot be boiling
they cannot be boiling	I cannot have boiled
you cannot have boiled
he cannot have boiled
we cannot have boiled
you cannot have boiled
they cannot have boiled	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 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I boil?
can you boil?
can he boil?
can we boil?
can you boil?
can they boil? 	can I be boiling?
can you be boiling?
can he be boiling?
can we be boiling?
can you be boiling?
can they be boiling? 	can I have boiled?
can you have boiled?
can he have boiled?
can we have boiled?
can you have boiled?
can they have boiled? 	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 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not boil?
can you not boil?
can he not boil?
can we not boil?
can you not boil?
can they not boil? 	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? 	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? 	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?