must test
Verbo regular: test - tested- tested

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must test
you must test
he must test
we must test
you must test
they must test 	I must be testing
you must be testing
he must be testing
we must be testing
you must be testing
they must be testing	I must have tested
you must have tested
he must have tested
we must have tested
you must have tested
they must have tested	I must have been testing
you must have been testing
he must have been testing
we must have been testing
you must have been testing
they must have been testing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't test
you mustn't test
he mustn't test
we mustn't test
you mustn't test
they mustn't test 	I mustn't be testing
you mustn't be testing
he mustn't be testing
we mustn't be testing
you mustn't be testing
they mustn't be testing	I mustn't have tested
you mustn't have tested
he mustn't have tested
we mustn't have tested
you mustn't have tested
they mustn't have tested	I mustn't have been testing
you mustn't have been testing
he mustn't have been testing
we mustn't have been testing
you mustn't have been testing
they mustn't have been testing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I test?
must you test?
must he test?
must we test?
must you test?
must they test? 	must I be testing?
must you be testing?
must he be testing?
must we be testing?
must you be testing?
must they be testing? 	must I have tested?
must you have tested?
must he have tested?
must we have tested?
must you have tested?
must they have tested? 	must I have been testing?
must you have been testing?
must he have been testing?
must we have been testing?
must you have been testing?
must they have been testing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I test?
mustn't you test?
mustn't he test?
mustn't we test?
mustn't you test?
mustn't they test? 	mustn't I be testing?
mustn't you be testing?
mustn't he be testing?
mustn't we be testing?
mustn't you be testing?
mustn't they be testing? 	mustn't I have tested?
mustn't you have tested?
mustn't he have tested?
mustn't we have tested?
mustn't you have tested?
mustn't they have tested? 	mustn't I have been testing?
mustn't you have been testing?
mustn't he have been testing?
mustn't we have been testing?
mustn't you have been testing?
mustn't they have been testing?