must cock
Verbo regular: cock - cocked- cocked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must cock
you must cock
he must cock
we must cock
you must cock
they must cock 	I must be cocking
you must be cocking
he must be cocking
we must be cocking
you must be cocking
they must be cocking	I must have cocked
you must have cocked
he must have cocked
we must have cocked
you must have cocked
they must have cocked	I must have been cocking
you must have been cocking
he must have been cocking
we must have been cocking
you must have been cocking
they must have been cocking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't cock
you mustn't cock
he mustn't cock
we mustn't cock
you mustn't cock
they mustn't cock 	I mustn't be cocking
you mustn't be cocking
he mustn't be cocking
we mustn't be cocking
you mustn't be cocking
they mustn't be cocking	I mustn't have cocked
you mustn't have cocked
he mustn't have cocked
we mustn't have cocked
you mustn't have cocked
they mustn't have cocked	I mustn't have been cocking
you mustn't have been cocking
he mustn't have been cocking
we mustn't have been cocking
you mustn't have been cocking
they mustn't have been cocking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I cock?
must you cock?
must he cock?
must we cock?
must you cock?
must they cock? 	must I be cocking?
must you be cocking?
must he be cocking?
must we be cocking?
must you be cocking?
must they be cocking? 	must I have cocked?
must you have cocked?
must he have cocked?
must we have cocked?
must you have cocked?
must they have cocked? 	must I have been cocking?
must you have been cocking?
must he have been cocking?
must we have been cocking?
must you have been cocking?
must they have been cocking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I cock?
mustn't you cock?
mustn't he cock?
mustn't we cock?
mustn't you cock?
mustn't they cock? 	mustn't I be cocking?
mustn't you be cocking?
mustn't he be cocking?
mustn't we be cocking?
mustn't you be cocking?
mustn't they be cocking? 	mustn't I have cocked?
mustn't you have cocked?
mustn't he have cocked?
mustn't we have cocked?
mustn't you have cocked?
mustn't they have cocked? 	mustn't I have been cocking?
mustn't you have been cocking?
mustn't he have been cocking?
mustn't we have been cocking?
mustn't you have been cocking?
mustn't they have been cocking?