must core
Verbo regular: core - cored- cored

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must core
you must core
he must core
we must core
you must core
they must core 	I must be coring
you must be coring
he must be coring
we must be coring
you must be coring
they must be coring	I must have cored
you must have cored
he must have cored
we must have cored
you must have cored
they must have cored	I must have been coring
you must have been coring
he must have been coring
we must have been coring
you must have been coring
they must have been coring	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't core
you mustn't core
he mustn't core
we mustn't core
you mustn't core
they mustn't core 	I mustn't be coring
you mustn't be coring
he mustn't be coring
we mustn't be coring
you mustn't be coring
they mustn't be coring	I mustn't have cored
you mustn't have cored
he mustn't have cored
we mustn't have cored
you mustn't have cored
they mustn't have cored	I mustn't have been coring
you mustn't have been coring
he mustn't have been coring
we mustn't have been coring
you mustn't have been coring
they mustn't have been coring	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I core?
must you core?
must he core?
must we core?
must you core?
must they core? 	must I be coring?
must you be coring?
must he be coring?
must we be coring?
must you be coring?
must they be coring? 	must I have cored?
must you have cored?
must he have cored?
must we have cored?
must you have cored?
must they have cored? 	must I have been coring?
must you have been coring?
must he have been coring?
must we have been coring?
must you have been coring?
must they have been coring? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I core?
mustn't you core?
mustn't he core?
mustn't we core?
mustn't you core?
mustn't they core? 	mustn't I be coring?
mustn't you be coring?
mustn't he be coring?
mustn't we be coring?
mustn't you be coring?
mustn't they be coring? 	mustn't I have cored?
mustn't you have cored?
mustn't he have cored?
mustn't we have cored?
mustn't you have cored?
mustn't they have cored? 	mustn't I have been coring?
mustn't you have been coring?
mustn't he have been coring?
mustn't we have been coring?
mustn't you have been coring?
mustn't they have been coring?