must fix
Verbo regular: fix - fixed- fixed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must fix
you must fix
she must fix
we must fix
you must fix
they must fix 	I must be fixing
you must be fixing
she must be fixing
we must be fixing
you must be fixing
they must be fixing	I must have fixed
you must have fixed
she must have fixed
we must have fixed
you must have fixed
they must have fixed	I must have been fixing
you must have been fixing
she must have been fixing
we must have been fixing
you must have been fixing
they must have been fixing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not fix
you must not fix
she must not fix
we must not fix
you must not fix
they must not fix 	I must not be fixing
you must not be fixing
she must not be fixing
we must not be fixing
you must not be fixing
they must not be fixing	I must not have fixed
you must not have fixed
she must not have fixed
we must not have fixed
you must not have fixed
they must not have fixed	I must not have been fixing
you must not have been fixing
she must not have been fixing
we must not have been fixing
you must not have been fixing
they must not have been fixing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I fix?
must you fix?
must she fix?
must we fix?
must you fix?
must they fix? 	must I be fixing?
must you be fixing?
must she be fixing?
must we be fixing?
must you be fixing?
must they be fixing? 	must I have fixed?
must you have fixed?
must she have fixed?
must we have fixed?
must you have fixed?
must they have fixed? 	must I have been fixing?
must you have been fixing?
must she have been fixing?
must we have been fixing?
must you have been fixing?
must they have been fixing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not fix?
must you not fix?
must she not fix?
must we not fix?
must you not fix?
must they not fix? 	must I not be fixing?
must you not be fixing?
must she not be fixing?
must we not be fixing?
must you not be fixing?
must they not be fixing? 	must I not have fixed?
must you not have fixed?
must she not have fixed?
must we not have fixed?
must you not have fixed?
must they not have fixed? 	must I not have been fixing?
must you not have been fixing?
must she not have been fixing?
must we not have been fixing?
must you not have been fixing?
must they not have been fixing?