can vulcanise
Verbo regular: vulcanise - vulcanised- vulcanised

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can vulcanise
you can vulcanise
he can vulcanise
we can vulcanise
you can vulcanise
they can vulcanise 	I can be vulcanising
you can be vulcanising
he can be vulcanising
we can be vulcanising
you can be vulcanising
they can be vulcanising	I can have vulcanised
you can have vulcanised
he can have vulcanised
we can have vulcanised
you can have vulcanised
they can have vulcanised	I can have been vulcanising
you can have been vulcanising
he can have been vulcanising
we can have been vulcanising
you can have been vulcanising
they can have been vulcanising	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot vulcanise
you cannot vulcanise
he cannot vulcanise
we cannot vulcanise
you cannot vulcanise
they cannot vulcanise 	I cannot be vulcanising
you cannot be vulcanising
he cannot be vulcanising
we cannot be vulcanising
you cannot be vulcanising
they cannot be vulcanising	I cannot have vulcanised
you cannot have vulcanised
he cannot have vulcanised
we cannot have vulcanised
you cannot have vulcanised
they cannot have vulcanised	I cannot have been vulcanising
you cannot have been vulcanising
he cannot have been vulcanising
we cannot have been vulcanising
you cannot have been vulcanising
they cannot have been vulcanising	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I vulcanise?
can you vulcanise?
can he vulcanise?
can we vulcanise?
can you vulcanise?
can they vulcanise? 	can I be vulcanising?
can you be vulcanising?
can he be vulcanising?
can we be vulcanising?
can you be vulcanising?
can they be vulcanising? 	can I have vulcanised?
can you have vulcanised?
can he have vulcanised?
can we have vulcanised?
can you have vulcanised?
can they have vulcanised? 	can I have been vulcanising?
can you have been vulcanising?
can he have been vulcanising?
can we have been vulcanising?
can you have been vulcanising?
can they have been vulcanising? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not vulcanise?
can you not vulcanise?
can he not vulcanise?
can we not vulcanise?
can you not vulcanise?
can they not vulcanise? 	can I not be vulcanising?
can you not be vulcanising?
can he not be vulcanising?
can we not be vulcanising?
can you not be vulcanising?
can they not be vulcanising? 	can I not have vulcanised?
can you not have vulcanised?
can he not have vulcanised?
can we not have vulcanised?
can you not have vulcanised?
can they not have vulcanised? 	can I not have been vulcanising?
can you not have been vulcanising?
can he not have been vulcanising?
can we not have been vulcanising?
can you not have been vulcanising?
can they not have been vulcanising?