Conjugación del verbo inglés
MUST ENGRAVE

Verbo regular: engrave - engraved - engraved

Afirmación

Forma simple	Forma con V-ing
I must engrave you must engrave he must engrave we must engrave you must engrave they must engrave	I must be engraving you must be engraving he must be engraving we must be engraving you must be engraving they must be engraving
Perfecto	Perfecto con V-ing
I must have engraved you must have engraved he must have engraved we must have engraved you must have engraved they must have engraved	I must have been engraving you must have been engraving he must have been engraving we must have been engraving you must have been engraving they must have been engraving

Negación

Forma simple	Forma con V-ing
I must not engrave you must not engrave he must not engrave we must not engrave you must not engrave they must not engrave	I must not be engraving you must not be engraving he must not be engraving we must not be engraving you must not be engraving they must not be engraving
Perfecto	Perfecto con V-ing
I must not have engraved you must not have engraved he must not have engraved we must not have engraved you must not have engraved they must not have engraved	I must not have been engraving you must not have been engraving he must not have been engraving we must not have been engraving you must not have been engraving they must not have been engraving

Forma interrogativa

Forma simple	Forma con V-ing
must I engrave? must you engrave? must he engrave? must we engrave? must you engrave? must they engrave?	must I be engraving? must you be engraving? must he be engraving? must we be engraving? must you be engraving? must they be engraving?
Perfecto	Perfecto con V-ing
must I have engraved? must you have engraved? must he have engraved? must we have engraved? must you have engraved? must they have engraved?	must I have been engraving? must you have been engraving? must he have been engraving? must we have been engraving? must you have been engraving? must they have been engraving?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not engrave? must you not engrave? must he not engrave? must we not engrave? must you not engrave? must they not engrave?	must I not be engraving? must you not be engraving? must he not be engraving? must we not be engraving? must you not be engraving? must they not be engraving?
Perfecto	Perfecto con V-ing
must I not have engraved? must you not have engraved? must he not have engraved? must we not have engraved? must you not have engraved? must they not have engraved?	must I not have been engraving? must you not have been engraving? must he not have been engraving? must we not have been engraving? must you not have been engraving? must they not have been engraving?