can buttonhole
Verbo regular: buttonhole - buttonholed- buttonholed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can buttonhole
you can buttonhole
he can buttonhole
we can buttonhole
you can buttonhole
they can buttonhole 	I can be buttonholing
you can be buttonholing
he can be buttonholing
we can be buttonholing
you can be buttonholing
they can be buttonholing	I can have buttonholed
you can have buttonholed
he can have buttonholed
we can have buttonholed
you can have buttonholed
they can have buttonholed	I can have been buttonholing
you can have been buttonholing
he can have been buttonholing
we can have been buttonholing
you can have been buttonholing
they can have been buttonholing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot buttonhole
you cannot buttonhole
he cannot buttonhole
we cannot buttonhole
you cannot buttonhole
they cannot buttonhole 	I cannot be buttonholing
you cannot be buttonholing
he cannot be buttonholing
we cannot be buttonholing
you cannot be buttonholing
they cannot be buttonholing	I cannot have buttonholed
you cannot have buttonholed
he cannot have buttonholed
we cannot have buttonholed
you cannot have buttonholed
they cannot have buttonholed	I cannot have been buttonholing
you cannot have been buttonholing
he cannot have been buttonholing
we cannot have been buttonholing
you cannot have been buttonholing
they cannot have been buttonholing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I buttonhole?
can you buttonhole?
can he buttonhole?
can we buttonhole?
can you buttonhole?
can they buttonhole? 	can I be buttonholing?
can you be buttonholing?
can he be buttonholing?
can we be buttonholing?
can you be buttonholing?
can they be buttonholing? 	can I have buttonholed?
can you have buttonholed?
can he have buttonholed?
can we have buttonholed?
can you have buttonholed?
can they have buttonholed? 	can I have been buttonholing?
can you have been buttonholing?
can he have been buttonholing?
can we have been buttonholing?
can you have been buttonholing?
can they have been buttonholing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not buttonhole?
can you not buttonhole?
can he not buttonhole?
can we not buttonhole?
can you not buttonhole?
can they not buttonhole? 	can I not be buttonholing?
can you not be buttonholing?
can he not be buttonholing?
can we not be buttonholing?
can you not be buttonholing?
can they not be buttonholing? 	can I not have buttonholed?
can you not have buttonholed?
can he not have buttonholed?
can we not have buttonholed?
can you not have buttonholed?
can they not have buttonholed? 	can I not have been buttonholing?
can you not have been buttonholing?
can he not have been buttonholing?
can we not have been buttonholing?
can you not have been buttonholing?
can they not have been buttonholing?