can suffer
Verbo regular: suffer - suffered- suffered

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

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't suffer
you can't suffer
she can't suffer
we can't suffer
you can't suffer
they can't suffer 	I can't be suffering
you can't be suffering
she can't be suffering
we can't be suffering
you can't be suffering
they can't be suffering	I can't have suffered
you can't have suffered
she can't have suffered
we can't have suffered
you can't have suffered
they can't have suffered	I can't have been suffering
you can't have been suffering
she can't have been suffering
we can't have been suffering
you can't have been suffering
they can't have been suffering	

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

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I suffer?
can't you suffer?
can't she suffer?
can't we suffer?
can't you suffer?
can't they suffer? 	can't I be suffering?
can't you be suffering?
can't she be suffering?
can't we be suffering?
can't you be suffering?
can't they be suffering? 	can't I have suffered?
can't you have suffered?
can't she have suffered?
can't we have suffered?
can't you have suffered?
can't they have suffered? 	can't I have been suffering?
can't you have been suffering?
can't she have been suffering?
can't we have been suffering?
can't you have been suffering?
can't they have been suffering?