could lump
Verbo regular: lump - lumped- lumped

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could lump
you could lump
he could lump
we could lump
you could lump
they could lump 	I could be lumping
you could be lumping
he could be lumping
we could be lumping
you could be lumping
they could be lumping	I could have lumped
you could have lumped
he could have lumped
we could have lumped
you could have lumped
they could have lumped	I could have been lumping
you could have been lumping
he could have been lumping
we could have been lumping
you could have been lumping
they could have been lumping	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not lump
you could not lump
he could not lump
we could not lump
you could not lump
they could not lump 	I could not be lumping
you could not be lumping
he could not be lumping
we could not be lumping
you could not be lumping
they could not be lumping	I could not have lumped
you could not have lumped
he could not have lumped
we could not have lumped
you could not have lumped
they could not have lumped	I could not have been lumping
you could not have been lumping
he could not have been lumping
we could not have been lumping
you could not have been lumping
they could not have been lumping	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I lump?
could you lump?
could he lump?
could we lump?
could you lump?
could they lump? 	could I be lumping?
could you be lumping?
could he be lumping?
could we be lumping?
could you be lumping?
could they be lumping? 	could I have lumped?
could you have lumped?
could he have lumped?
could we have lumped?
could you have lumped?
could they have lumped? 	could I have been lumping?
could you have been lumping?
could he have been lumping?
could we have been lumping?
could you have been lumping?
could they have been lumping? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not lump?
could you not lump?
could he not lump?
could we not lump?
could you not lump?
could they not lump? 	could I not be lumping?
could you not be lumping?
could he not be lumping?
could we not be lumping?
could you not be lumping?
could they not be lumping? 	could I not have lumped?
could you not have lumped?
could he not have lumped?
could we not have lumped?
could you not have lumped?
could they not have lumped? 	could I not have been lumping?
could you not have been lumping?
could he not have been lumping?
could we not have been lumping?
could you not have been lumping?
could they not have been lumping?