can taper
Verbo regular: taper - tapered- tapered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can taper
you can taper
he can taper
we can taper
you can taper
they can taper 	I can be tapering
you can be tapering
he can be tapering
we can be tapering
you can be tapering
they can be tapering	I can have tapered
you can have tapered
he can have tapered
we can have tapered
you can have tapered
they can have tapered	I can have been tapering
you can have been tapering
he can have been tapering
we can have been tapering
you can have been tapering
they can have been tapering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot taper
you cannot taper
he cannot taper
we cannot taper
you cannot taper
they cannot taper 	I cannot be tapering
you cannot be tapering
he cannot be tapering
we cannot be tapering
you cannot be tapering
they cannot be tapering	I cannot have tapered
you cannot have tapered
he cannot have tapered
we cannot have tapered
you cannot have tapered
they cannot have tapered	I cannot have been tapering
you cannot have been tapering
he cannot have been tapering
we cannot have been tapering
you cannot have been tapering
they cannot have been tapering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I taper?
can you taper?
can he taper?
can we taper?
can you taper?
can they taper? 	can I be tapering?
can you be tapering?
can he be tapering?
can we be tapering?
can you be tapering?
can they be tapering? 	can I have tapered?
can you have tapered?
can he have tapered?
can we have tapered?
can you have tapered?
can they have tapered? 	can I have been tapering?
can you have been tapering?
can he have been tapering?
can we have been tapering?
can you have been tapering?
can they have been tapering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not taper?
can you not taper?
can he not taper?
can we not taper?
can you not taper?
can they not taper? 	can I not be tapering?
can you not be tapering?
can he not be tapering?
can we not be tapering?
can you not be tapering?
can they not be tapering? 	can I not have tapered?
can you not have tapered?
can he not have tapered?
can we not have tapered?
can you not have tapered?
can they not have tapered? 	can I not have been tapering?
can you not have been tapering?
can he not have been tapering?
can we not have been tapering?
can you not have been tapering?
can they not have been tapering?