could build
Verbo irregular: build - built- built

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could build
you could build
she could build
we could build
you could build
they could build 	I could be building
you could be building
she could be building
we could be building
you could be building
they could be building	I could have built
you could have built
she could have built
we could have built
you could have built
they could have built	I could have been building
you could have been building
she could have been building
we could have been building
you could have been building
they could have been building	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not build
you could not build
she could not build
we could not build
you could not build
they could not build 	I could not be building
you could not be building
she could not be building
we could not be building
you could not be building
they could not be building	I could not have built
you could not have built
she could not have built
we could not have built
you could not have built
they could not have built	I could not have been building
you could not have been building
she could not have been building
we could not have been building
you could not have been building
they could not have been building	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I build?
could you build?
could she build?
could we build?
could you build?
could they build? 	could I be building?
could you be building?
could she be building?
could we be building?
could you be building?
could they be building? 	could I have built?
could you have built?
could she have built?
could we have built?
could you have built?
could they have built? 	could I have been building?
could you have been building?
could she have been building?
could we have been building?
could you have been building?
could they have been building? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not build?
could you not build?
could she not build?
could we not build?
could you not build?
could they not build? 	could I not be building?
could you not be building?
could she not be building?
could we not be building?
could you not be building?
could they not be building? 	could I not have built?
could you not have built?
could she not have built?
could we not have built?
could you not have built?
could they not have built? 	could I not have been building?
could you not have been building?
could she not have been building?
could we not have been building?
could you not have been building?
could they not have been building?