Conjugación del verbo inglés
MUST PRECANCEL

Verbo regular: precancel - precanceled - precanceled

Afirmación

Forma simple	Forma con V-ing
I must precancel you must precancel she must precancel we must precancel you must precancel they must precancel	I must be precanceling you must be precanceling she must be precanceling we must be precanceling you must be precanceling they must be precanceling
Perfecto	Perfecto con V-ing
I must have precanceled you must have precanceled she must have precanceled we must have precanceled you must have precanceled they must have precanceled	I must have been precanceling you must have been precanceling she must have been precanceling we must have been precanceling you must have been precanceling they must have been precanceling

Negación

Forma simple	Forma con V-ing
I must not precancel you must not precancel she must not precancel we must not precancel you must not precancel they must not precancel	I must not be precanceling you must not be precanceling she must not be precanceling we must not be precanceling you must not be precanceling they must not be precanceling
Perfecto	Perfecto con V-ing
I must not have precanceled you must not have precanceled she must not have precanceled we must not have precanceled you must not have precanceled they must not have precanceled	I must not have been precanceling you must not have been precanceling she must not have been precanceling we must not have been precanceling you must not have been precanceling they must not have been precanceling

Forma interrogativa

Forma simple	Forma con V-ing
must I precancel? must you precancel? must she precancel? must we precancel? must you precancel? must they precancel?	must I be precanceling? must you be precanceling? must she be precanceling? must we be precanceling? must you be precanceling? must they be precanceling?
Perfecto	Perfecto con V-ing
must I have precanceled? must you have precanceled? must she have precanceled? must we have precanceled? must you have precanceled? must they have precanceled?	must I have been precanceling? must you have been precanceling? must she have been precanceling? must we have been precanceling? must you have been precanceling? must they have been precanceling?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not precancel? must you not precancel? must she not precancel? must we not precancel? must you not precancel? must they not precancel?	must I not be precanceling? must you not be precanceling? must she not be precanceling? must we not be precanceling? must you not be precanceling? must they not be precanceling?
Perfecto	Perfecto con V-ing
must I not have precanceled? must you not have precanceled? must she not have precanceled? must we not have precanceled? must you not have precanceled? must they not have precanceled?	must I not have been precanceling? must you not have been precanceling? must she not have been precanceling? must we not have been precanceling? must you not have been precanceling? must they not have been precanceling?