Conjugación del verbo inglés
MUST DESCRIBE

Verbo regular: describe - described - described

Afirmación

Forma simple	Forma con V-ing
I must describe you must describe she must describe we must describe you must describe they must describe	I must be describing you must be describing she must be describing we must be describing you must be describing they must be describing
Perfecto	Perfecto con V-ing
I must have described you must have described she must have described we must have described you must have described they must have described	I must have been describing you must have been describing she must have been describing we must have been describing you must have been describing they must have been describing

Negación

Forma simple	Forma con V-ing
I must not describe you must not describe she must not describe we must not describe you must not describe they must not describe	I must not be describing you must not be describing she must not be describing we must not be describing you must not be describing they must not be describing
Perfecto	Perfecto con V-ing
I must not have described you must not have described she must not have described we must not have described you must not have described they must not have described	I must not have been describing you must not have been describing she must not have been describing we must not have been describing you must not have been describing they must not have been describing

Forma interrogativa

Forma simple	Forma con V-ing
must I describe? must you describe? must she describe? must we describe? must you describe? must they describe?	must I be describing? must you be describing? must she be describing? must we be describing? must you be describing? must they be describing?
Perfecto	Perfecto con V-ing
must I have described? must you have described? must she have described? must we have described? must you have described? must they have described?	must I have been describing? must you have been describing? must she have been describing? must we have been describing? must you have been describing? must they have been describing?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not describe? must you not describe? must she not describe? must we not describe? must you not describe? must they not describe?	must I not be describing? must you not be describing? must she not be describing? must we not be describing? must you not be describing? must they not be describing?
Perfecto	Perfecto con V-ing
must I not have described? must you not have described? must she not have described? must we not have described? must you not have described? must they not have described?	must I not have been describing? must you not have been describing? must she not have been describing? must we not have been describing? must you not have been describing? must they not have been describing?