could grouse
Verbo regular: grouse - groused- groused

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could grouse
you could grouse
he could grouse
we could grouse
you could grouse
they could grouse 	I could be grousing
you could be grousing
he could be grousing
we could be grousing
you could be grousing
they could be grousing	I could have groused
you could have groused
he could have groused
we could have groused
you could have groused
they could have groused	I could have been grousing
you could have been grousing
he could have been grousing
we could have been grousing
you could have been grousing
they could have been grousing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not grouse
you could not grouse
he could not grouse
we could not grouse
you could not grouse
they could not grouse 	I could not be grousing
you could not be grousing
he could not be grousing
we could not be grousing
you could not be grousing
they could not be grousing	I could not have groused
you could not have groused
he could not have groused
we could not have groused
you could not have groused
they could not have groused	I could not have been grousing
you could not have been grousing
he could not have been grousing
we could not have been grousing
you could not have been grousing
they could not have been grousing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I grouse?
could you grouse?
could he grouse?
could we grouse?
could you grouse?
could they grouse? 	could I be grousing?
could you be grousing?
could he be grousing?
could we be grousing?
could you be grousing?
could they be grousing? 	could I have groused?
could you have groused?
could he have groused?
could we have groused?
could you have groused?
could they have groused? 	could I have been grousing?
could you have been grousing?
could he have been grousing?
could we have been grousing?
could you have been grousing?
could they have been grousing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not grouse?
could you not grouse?
could he not grouse?
could we not grouse?
could you not grouse?
could they not grouse? 	could I not be grousing?
could you not be grousing?
could he not be grousing?
could we not be grousing?
could you not be grousing?
could they not be grousing? 	could I not have groused?
could you not have groused?
could he not have groused?
could we not have groused?
could you not have groused?
could they not have groused? 	could I not have been grousing?
could you not have been grousing?
could he not have been grousing?
could we not have been grousing?
could you not have been grousing?
could they not have been grousing?