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 must not cock
you must not cock
he must not cock
we must not cock
you must not cock
they must not cock 	I must not be cocking
you must not be cocking
he must not be cocking
we must not be cocking
you must not be cocking
they must not be cocking	I must not have cocked
you must not have cocked
he must not have cocked
we must not have cocked
you must not have cocked
they must not have cocked	I must not have been cocking
you must not have been cocking
he must not have been cocking
we must not have been cocking
you must not have been cocking
they must not 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 	
must I not cock?
must you not cock?
must he not cock?
must we not cock?
must you not cock?
must they not cock? 	must I not be cocking?
must you not be cocking?
must he not be cocking?
must we not be cocking?
must you not be cocking?
must they not be cocking? 	must I not have cocked?
must you not have cocked?
must he not have cocked?
must we not have cocked?
must you not have cocked?
must they not have cocked? 	must I not have been cocking?
must you not have been cocking?
must he not have been cocking?
must we not have been cocking?
must you not have been cocking?
must they not have been cocking?