could apprentice
Verbo regular: apprentice - apprenticed- apprenticed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could apprentice
you could apprentice
he could apprentice
we could apprentice
you could apprentice
they could apprentice 	I could be apprenticing
you could be apprenticing
he could be apprenticing
we could be apprenticing
you could be apprenticing
they could be apprenticing	I could have apprenticed
you could have apprenticed
he could have apprenticed
we could have apprenticed
you could have apprenticed
they could have apprenticed	I could have been apprenticing
you could have been apprenticing
he could have been apprenticing
we could have been apprenticing
you could have been apprenticing
they could have been apprenticing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't apprentice
you couldn't apprentice
he couldn't apprentice
we couldn't apprentice
you couldn't apprentice
they couldn't apprentice 	I couldn't be apprenticing
you couldn't be apprenticing
he couldn't be apprenticing
we couldn't be apprenticing
you couldn't be apprenticing
they couldn't be apprenticing	I couldn't have apprenticed
you couldn't have apprenticed
he couldn't have apprenticed
we couldn't have apprenticed
you couldn't have apprenticed
they couldn't have apprenticed	I couldn't have been apprenticing
you couldn't have been apprenticing
he couldn't have been apprenticing
we couldn't have been apprenticing
you couldn't have been apprenticing
they couldn't have been apprenticing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I apprentice?
could you apprentice?
could he apprentice?
could we apprentice?
could you apprentice?
could they apprentice? 	could I be apprenticing?
could you be apprenticing?
could he be apprenticing?
could we be apprenticing?
could you be apprenticing?
could they be apprenticing? 	could I have apprenticed?
could you have apprenticed?
could he have apprenticed?
could we have apprenticed?
could you have apprenticed?
could they have apprenticed? 	could I have been apprenticing?
could you have been apprenticing?
could he have been apprenticing?
could we have been apprenticing?
could you have been apprenticing?
could they have been apprenticing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I apprentice?
couldn't you apprentice?
couldn't he apprentice?
couldn't we apprentice?
couldn't you apprentice?
couldn't they apprentice? 	couldn't I be apprenticing?
couldn't you be apprenticing?
couldn't he be apprenticing?
couldn't we be apprenticing?
couldn't you be apprenticing?
couldn't they be apprenticing? 	couldn't I have apprenticed?
couldn't you have apprenticed?
couldn't he have apprenticed?
couldn't we have apprenticed?
couldn't you have apprenticed?
couldn't they have apprenticed? 	couldn't I have been apprenticing?
couldn't you have been apprenticing?
couldn't he have been apprenticing?
couldn't we have been apprenticing?
couldn't you have been apprenticing?
couldn't they have been apprenticing?