must suffer
Verbo regular: suffer - suffered- suffered

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

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

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

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