can spark
Verbo regular: spark - sparked- sparked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can spark
you can spark
he can spark
we can spark
you can spark
they can spark 	I can be sparking
you can be sparking
he can be sparking
we can be sparking
you can be sparking
they can be sparking	I can have sparked
you can have sparked
he can have sparked
we can have sparked
you can have sparked
they can have sparked	I can have been sparking
you can have been sparking
he can have been sparking
we can have been sparking
you can have been sparking
they can have been sparking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot spark
you cannot spark
he cannot spark
we cannot spark
you cannot spark
they cannot spark 	I cannot be sparking
you cannot be sparking
he cannot be sparking
we cannot be sparking
you cannot be sparking
they cannot be sparking	I cannot have sparked
you cannot have sparked
he cannot have sparked
we cannot have sparked
you cannot have sparked
they cannot have sparked	I cannot have been sparking
you cannot have been sparking
he cannot have been sparking
we cannot have been sparking
you cannot have been sparking
they cannot have been sparking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I spark?
can you spark?
can he spark?
can we spark?
can you spark?
can they spark? 	can I be sparking?
can you be sparking?
can he be sparking?
can we be sparking?
can you be sparking?
can they be sparking? 	can I have sparked?
can you have sparked?
can he have sparked?
can we have sparked?
can you have sparked?
can they have sparked? 	can I have been sparking?
can you have been sparking?
can he have been sparking?
can we have been sparking?
can you have been sparking?
can they have been sparking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not spark?
can you not spark?
can he not spark?
can we not spark?
can you not spark?
can they not spark? 	can I not be sparking?
can you not be sparking?
can he not be sparking?
can we not be sparking?
can you not be sparking?
can they not be sparking? 	can I not have sparked?
can you not have sparked?
can he not have sparked?
can we not have sparked?
can you not have sparked?
can they not have sparked? 	can I not have been sparking?
can you not have been sparking?
can he not have been sparking?
can we not have been sparking?
can you not have been sparking?
can they not have been sparking?