must program
Verbo regular: program - programmed- programmed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must program
you must program
she must program
we must program
you must program
they must program 	I must be programming
you must be programming
she must be programming
we must be programming
you must be programming
they must be programming	I must have programmed
you must have programmed
she must have programmed
we must have programmed
you must have programmed
they must have programmed	I must have been programming
you must have been programming
she must have been programming
we must have been programming
you must have been programming
they must have been programming	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not program
you must not program
she must not program
we must not program
you must not program
they must not program 	I must not be programming
you must not be programming
she must not be programming
we must not be programming
you must not be programming
they must not be programming	I must not have programmed
you must not have programmed
she must not have programmed
we must not have programmed
you must not have programmed
they must not have programmed	I must not have been programming
you must not have been programming
she must not have been programming
we must not have been programming
you must not have been programming
they must not have been programming	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I program?
must you program?
must she program?
must we program?
must you program?
must they program? 	must I be programming?
must you be programming?
must she be programming?
must we be programming?
must you be programming?
must they be programming? 	must I have programmed?
must you have programmed?
must she have programmed?
must we have programmed?
must you have programmed?
must they have programmed? 	must I have been programming?
must you have been programming?
must she have been programming?
must we have been programming?
must you have been programming?
must they have been programming? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not program?
must you not program?
must she not program?
must we not program?
must you not program?
must they not program? 	must I not be programming?
must you not be programming?
must she not be programming?
must we not be programming?
must you not be programming?
must they not be programming? 	must I not have programmed?
must you not have programmed?
must she not have programmed?
must we not have programmed?
must you not have programmed?
must they not have programmed? 	must I not have been programming?
must you not have been programming?
must she not have been programming?
must we not have been programming?
must you not have been programming?
must they not have been programming?