can half-open
Verbo regular: half-open - half-opened- half-opened

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can half-open
you can half-open
he can half-open
we can half-open
you can half-open
they can half-open 	I can be half-opening
you can be half-opening
he can be half-opening
we can be half-opening
you can be half-opening
they can be half-opening	I can have half-opened
you can have half-opened
he can have half-opened
we can have half-opened
you can have half-opened
they can have half-opened	I can have been half-opening
you can have been half-opening
he can have been half-opening
we can have been half-opening
you can have been half-opening
they can have been half-opening	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot half-open
you cannot half-open
he cannot half-open
we cannot half-open
you cannot half-open
they cannot half-open 	I cannot be half-opening
you cannot be half-opening
he cannot be half-opening
we cannot be half-opening
you cannot be half-opening
they cannot be half-opening	I cannot have half-opened
you cannot have half-opened
he cannot have half-opened
we cannot have half-opened
you cannot have half-opened
they cannot have half-opened	I cannot have been half-opening
you cannot have been half-opening
he cannot have been half-opening
we cannot have been half-opening
you cannot have been half-opening
they cannot have been half-opening	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I half-open?
can you half-open?
can he half-open?
can we half-open?
can you half-open?
can they half-open? 	can I be half-opening?
can you be half-opening?
can he be half-opening?
can we be half-opening?
can you be half-opening?
can they be half-opening? 	can I have half-opened?
can you have half-opened?
can he have half-opened?
can we have half-opened?
can you have half-opened?
can they have half-opened? 	can I have been half-opening?
can you have been half-opening?
can he have been half-opening?
can we have been half-opening?
can you have been half-opening?
can they have been half-opening? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not half-open?
can you not half-open?
can he not half-open?
can we not half-open?
can you not half-open?
can they not half-open? 	can I not be half-opening?
can you not be half-opening?
can he not be half-opening?
can we not be half-opening?
can you not be half-opening?
can they not be half-opening? 	can I not have half-opened?
can you not have half-opened?
can he not have half-opened?
can we not have half-opened?
can you not have half-opened?
can they not have half-opened? 	can I not have been half-opening?
can you not have been half-opening?
can he not have been half-opening?
can we not have been half-opening?
can you not have been half-opening?
can they not have been half-opening?