must involve
Verbo regular: involve - involved- involved

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must involve
you must involve
she must involve
we must involve
you must involve
they must involve 	I must be involving
you must be involving
she must be involving
we must be involving
you must be involving
they must be involving	I must have involved
you must have involved
she must have involved
we must have involved
you must have involved
they must have involved	I must have been involving
you must have been involving
she must have been involving
we must have been involving
you must have been involving
they must have been involving	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't involve
you mustn't involve
she mustn't involve
we mustn't involve
you mustn't involve
they mustn't involve 	I mustn't be involving
you mustn't be involving
she mustn't be involving
we mustn't be involving
you mustn't be involving
they mustn't be involving	I mustn't have involved
you mustn't have involved
she mustn't have involved
we mustn't have involved
you mustn't have involved
they mustn't have involved	I mustn't have been involving
you mustn't have been involving
she mustn't have been involving
we mustn't have been involving
you mustn't have been involving
they mustn't have been involving	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I involve?
must you involve?
must she involve?
must we involve?
must you involve?
must they involve? 	must I be involving?
must you be involving?
must she be involving?
must we be involving?
must you be involving?
must they be involving? 	must I have involved?
must you have involved?
must she have involved?
must we have involved?
must you have involved?
must they have involved? 	must I have been involving?
must you have been involving?
must she have been involving?
must we have been involving?
must you have been involving?
must they have been involving? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I involve?
mustn't you involve?
mustn't she involve?
mustn't we involve?
mustn't you involve?
mustn't they involve? 	mustn't I be involving?
mustn't you be involving?
mustn't she be involving?
mustn't we be involving?
mustn't you be involving?
mustn't they be involving? 	mustn't I have involved?
mustn't you have involved?
mustn't she have involved?
mustn't we have involved?
mustn't you have involved?
mustn't they have involved? 	mustn't I have been involving?
mustn't you have been involving?
mustn't she have been involving?
mustn't we have been involving?
mustn't you have been involving?
mustn't they have been involving?