Conjugación del verbo inglés
MUST PRECHECK

Verbo regular: precheck - prechecked - prechecked

Afirmación

Forma simple	Forma con V-ing
I must precheck you must precheck he must precheck we must precheck you must precheck they must precheck	I must be prechecking you must be prechecking he must be prechecking we must be prechecking you must be prechecking they must be prechecking
Perfecto	Perfecto con V-ing
I must have prechecked you must have prechecked he must have prechecked we must have prechecked you must have prechecked they must have prechecked	I must have been prechecking you must have been prechecking he must have been prechecking we must have been prechecking you must have been prechecking they must have been prechecking

Negación

Forma simple	Forma con V-ing
I mustn't precheck you mustn't precheck he mustn't precheck we mustn't precheck you mustn't precheck they mustn't precheck	I mustn't be prechecking you mustn't be prechecking he mustn't be prechecking we mustn't be prechecking you mustn't be prechecking they mustn't be prechecking
Perfecto	Perfecto con V-ing
I mustn't have prechecked you mustn't have prechecked he mustn't have prechecked we mustn't have prechecked you mustn't have prechecked they mustn't have prechecked	I mustn't have been prechecking you mustn't have been prechecking he mustn't have been prechecking we mustn't have been prechecking you mustn't have been prechecking they mustn't have been prechecking

Forma interrogativa

Forma simple	Forma con V-ing
must I precheck? must you precheck? must he precheck? must we precheck? must you precheck? must they precheck?	must I be prechecking? must you be prechecking? must he be prechecking? must we be prechecking? must you be prechecking? must they be prechecking?
Perfecto	Perfecto con V-ing
must I have prechecked? must you have prechecked? must he have prechecked? must we have prechecked? must you have prechecked? must they have prechecked?	must I have been prechecking? must you have been prechecking? must he have been prechecking? must we have been prechecking? must you have been prechecking? must they have been prechecking?

Forma interro-negativa

Forma simple	Forma con V-ing
mustn't I precheck? mustn't you precheck? mustn't he precheck? mustn't we precheck? mustn't you precheck? mustn't they precheck?	mustn't I be prechecking? mustn't you be prechecking? mustn't he be prechecking? mustn't we be prechecking? mustn't you be prechecking? mustn't they be prechecking?
Perfecto	Perfecto con V-ing
mustn't I have prechecked? mustn't you have prechecked? mustn't he have prechecked? mustn't we have prechecked? mustn't you have prechecked? mustn't they have prechecked?	mustn't I have been prechecking? mustn't you have been prechecking? mustn't he have been prechecking? mustn't we have been prechecking? mustn't you have been prechecking? mustn't they have been prechecking?