can headbutt
Verbo regular: headbutt - headbutted- headbutted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can headbutt
you can headbutt
he can headbutt
we can headbutt
you can headbutt
they can headbutt 	I can be headbutting
you can be headbutting
he can be headbutting
we can be headbutting
you can be headbutting
they can be headbutting	I can have headbutted
you can have headbutted
he can have headbutted
we can have headbutted
you can have headbutted
they can have headbutted	I can have been headbutting
you can have been headbutting
he can have been headbutting
we can have been headbutting
you can have been headbutting
they can have been headbutting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot headbutt
you cannot headbutt
he cannot headbutt
we cannot headbutt
you cannot headbutt
they cannot headbutt 	I cannot be headbutting
you cannot be headbutting
he cannot be headbutting
we cannot be headbutting
you cannot be headbutting
they cannot be headbutting	I cannot have headbutted
you cannot have headbutted
he cannot have headbutted
we cannot have headbutted
you cannot have headbutted
they cannot have headbutted	I cannot have been headbutting
you cannot have been headbutting
he cannot have been headbutting
we cannot have been headbutting
you cannot have been headbutting
they cannot have been headbutting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I headbutt?
can you headbutt?
can he headbutt?
can we headbutt?
can you headbutt?
can they headbutt? 	can I be headbutting?
can you be headbutting?
can he be headbutting?
can we be headbutting?
can you be headbutting?
can they be headbutting? 	can I have headbutted?
can you have headbutted?
can he have headbutted?
can we have headbutted?
can you have headbutted?
can they have headbutted? 	can I have been headbutting?
can you have been headbutting?
can he have been headbutting?
can we have been headbutting?
can you have been headbutting?
can they have been headbutting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not headbutt?
can you not headbutt?
can he not headbutt?
can we not headbutt?
can you not headbutt?
can they not headbutt? 	can I not be headbutting?
can you not be headbutting?
can he not be headbutting?
can we not be headbutting?
can you not be headbutting?
can they not be headbutting? 	can I not have headbutted?
can you not have headbutted?
can he not have headbutted?
can we not have headbutted?
can you not have headbutted?
can they not have headbutted? 	can I not have been headbutting?
can you not have been headbutting?
can he not have been headbutting?
can we not have been headbutting?
can you not have been headbutting?
can they not have been headbutting?