could suffer
Verbo regular: suffer - suffered- suffered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could suffer
you could suffer
he could suffer
we could suffer
you could suffer
they could suffer 	I could be suffering
you could be suffering
he could be suffering
we could be suffering
you could be suffering
they could be suffering	I could have suffered
you could have suffered
he could have suffered
we could have suffered
you could have suffered
they could have suffered	I could have been suffering
you could have been suffering
he could have been suffering
we could have been suffering
you could have been suffering
they could have been suffering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not suffer
you could not suffer
he could not suffer
we could not suffer
you could not suffer
they could not suffer 	I could not be suffering
you could not be suffering
he could not be suffering
we could not be suffering
you could not be suffering
they could not be suffering	I could not have suffered
you could not have suffered
he could not have suffered
we could not have suffered
you could not have suffered
they could not have suffered	I could not have been suffering
you could not have been suffering
he could not have been suffering
we could not have been suffering
you could not have been suffering
they could not have been suffering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I suffer?
could you suffer?
could he suffer?
could we suffer?
could you suffer?
could they suffer? 	could I be suffering?
could you be suffering?
could he be suffering?
could we be suffering?
could you be suffering?
could they be suffering? 	could I have suffered?
could you have suffered?
could he have suffered?
could we have suffered?
could you have suffered?
could they have suffered? 	could I have been suffering?
could you have been suffering?
could he have been suffering?
could we have been suffering?
could you have been suffering?
could they have been suffering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not suffer?
could you not suffer?
could he not suffer?
could we not suffer?
could you not suffer?
could they not suffer? 	could I not be suffering?
could you not be suffering?
could he not be suffering?
could we not be suffering?
could you not be suffering?
could they not be suffering? 	could I not have suffered?
could you not have suffered?
could he not have suffered?
could we not have suffered?
could you not have suffered?
could they not have suffered? 	could I not have been suffering?
could you not have been suffering?
could he not have been suffering?
could we not have been suffering?
could you not have been suffering?
could they not have been suffering?