must focus
Verbo regular: focus - focused- focused

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must focus
you must focus
she must focus
we must focus
you must focus
they must focus 	I must be focusing
you must be focusing
she must be focusing
we must be focusing
you must be focusing
they must be focusing	I must have focused
you must have focused
she must have focused
we must have focused
you must have focused
they must have focused	I must have been focusing
you must have been focusing
she must have been focusing
we must have been focusing
you must have been focusing
they must have been focusing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not focus
you must not focus
she must not focus
we must not focus
you must not focus
they must not focus 	I must not be focusing
you must not be focusing
she must not be focusing
we must not be focusing
you must not be focusing
they must not be focusing	I must not have focused
you must not have focused
she must not have focused
we must not have focused
you must not have focused
they must not have focused	I must not have been focusing
you must not have been focusing
she must not have been focusing
we must not have been focusing
you must not have been focusing
they must not have been focusing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I focus?
must you focus?
must she focus?
must we focus?
must you focus?
must they focus? 	must I be focusing?
must you be focusing?
must she be focusing?
must we be focusing?
must you be focusing?
must they be focusing? 	must I have focused?
must you have focused?
must she have focused?
must we have focused?
must you have focused?
must they have focused? 	must I have been focusing?
must you have been focusing?
must she have been focusing?
must we have been focusing?
must you have been focusing?
must they have been focusing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not focus?
must you not focus?
must she not focus?
must we not focus?
must you not focus?
must they not focus? 	must I not be focusing?
must you not be focusing?
must she not be focusing?
must we not be focusing?
must you not be focusing?
must they not be focusing? 	must I not have focused?
must you not have focused?
must she not have focused?
must we not have focused?
must you not have focused?
must they not have focused? 	must I not have been focusing?
must you not have been focusing?
must she not have been focusing?
must we not have been focusing?
must you not have been focusing?
must they not have been focusing?