must luck
Verbo regular: luck - lucked- lucked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must luck
you must luck
she must luck
we must luck
you must luck
they must luck 	I must be lucking
you must be lucking
she must be lucking
we must be lucking
you must be lucking
they must be lucking	I must have lucked
you must have lucked
she must have lucked
we must have lucked
you must have lucked
they must have lucked	I must have been lucking
you must have been lucking
she must have been lucking
we must have been lucking
you must have been lucking
they must have been lucking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not luck
you must not luck
she must not luck
we must not luck
you must not luck
they must not luck 	I must not be lucking
you must not be lucking
she must not be lucking
we must not be lucking
you must not be lucking
they must not be lucking	I must not have lucked
you must not have lucked
she must not have lucked
we must not have lucked
you must not have lucked
they must not have lucked	I must not have been lucking
you must not have been lucking
she must not have been lucking
we must not have been lucking
you must not have been lucking
they must not have been lucking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I luck?
must you luck?
must she luck?
must we luck?
must you luck?
must they luck? 	must I be lucking?
must you be lucking?
must she be lucking?
must we be lucking?
must you be lucking?
must they be lucking? 	must I have lucked?
must you have lucked?
must she have lucked?
must we have lucked?
must you have lucked?
must they have lucked? 	must I have been lucking?
must you have been lucking?
must she have been lucking?
must we have been lucking?
must you have been lucking?
must they have been lucking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not luck?
must you not luck?
must she not luck?
must we not luck?
must you not luck?
must they not luck? 	must I not be lucking?
must you not be lucking?
must she not be lucking?
must we not be lucking?
must you not be lucking?
must they not be lucking? 	must I not have lucked?
must you not have lucked?
must she not have lucked?
must we not have lucked?
must you not have lucked?
must they not have lucked? 	must I not have been lucking?
must you not have been lucking?
must she not have been lucking?
must we not have been lucking?
must you not have been lucking?
must they not have been lucking?