must train
Verbo regular: train - trained- trained

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must train
you must train
he must train
we must train
you must train
they must train 	I must be training
you must be training
he must be training
we must be training
you must be training
they must be training	I must have trained
you must have trained
he must have trained
we must have trained
you must have trained
they must have trained	I must have been training
you must have been training
he must have been training
we must have been training
you must have been training
they must have been training	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't train
you mustn't train
he mustn't train
we mustn't train
you mustn't train
they mustn't train 	I mustn't be training
you mustn't be training
he mustn't be training
we mustn't be training
you mustn't be training
they mustn't be training	I mustn't have trained
you mustn't have trained
he mustn't have trained
we mustn't have trained
you mustn't have trained
they mustn't have trained	I mustn't have been training
you mustn't have been training
he mustn't have been training
we mustn't have been training
you mustn't have been training
they mustn't have been training	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I train?
must you train?
must he train?
must we train?
must you train?
must they train? 	must I be training?
must you be training?
must he be training?
must we be training?
must you be training?
must they be training? 	must I have trained?
must you have trained?
must he have trained?
must we have trained?
must you have trained?
must they have trained? 	must I have been training?
must you have been training?
must he have been training?
must we have been training?
must you have been training?
must they have been training? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I train?
mustn't you train?
mustn't he train?
mustn't we train?
mustn't you train?
mustn't they train? 	mustn't I be training?
mustn't you be training?
mustn't he be training?
mustn't we be training?
mustn't you be training?
mustn't they be training? 	mustn't I have trained?
mustn't you have trained?
mustn't he have trained?
mustn't we have trained?
mustn't you have trained?
mustn't they have trained? 	mustn't I have been training?
mustn't you have been training?
mustn't he have been training?
mustn't we have been training?
mustn't you have been training?
mustn't they have been training?