Conjugación del verbo inglés
MUST DESCEND

Verbo regular: descend - descended - descended

Afirmación

Forma simple	Forma con V-ing
I must descend you must descend he must descend we must descend you must descend they must descend	I must be descending you must be descending he must be descending we must be descending you must be descending they must be descending
Perfecto	Perfecto con V-ing
I must have descended you must have descended he must have descended we must have descended you must have descended they must have descended	I must have been descending you must have been descending he must have been descending we must have been descending you must have been descending they must have been descending

Negación

Forma simple	Forma con V-ing
I mustn't descend you mustn't descend he mustn't descend we mustn't descend you mustn't descend they mustn't descend	I mustn't be descending you mustn't be descending he mustn't be descending we mustn't be descending you mustn't be descending they mustn't be descending
Perfecto	Perfecto con V-ing
I mustn't have descended you mustn't have descended he mustn't have descended we mustn't have descended you mustn't have descended they mustn't have descended	I mustn't have been descending you mustn't have been descending he mustn't have been descending we mustn't have been descending you mustn't have been descending they mustn't have been descending

Forma interrogativa

Forma simple	Forma con V-ing
must I descend? must you descend? must he descend? must we descend? must you descend? must they descend?	must I be descending? must you be descending? must he be descending? must we be descending? must you be descending? must they be descending?
Perfecto	Perfecto con V-ing
must I have descended? must you have descended? must he have descended? must we have descended? must you have descended? must they have descended?	must I have been descending? must you have been descending? must he have been descending? must we have been descending? must you have been descending? must they have been descending?

Forma interro-negativa

Forma simple	Forma con V-ing
mustn't I descend? mustn't you descend? mustn't he descend? mustn't we descend? mustn't you descend? mustn't they descend?	mustn't I be descending? mustn't you be descending? mustn't he be descending? mustn't we be descending? mustn't you be descending? mustn't they be descending?
Perfecto	Perfecto con V-ing
mustn't I have descended? mustn't you have descended? mustn't he have descended? mustn't we have descended? mustn't you have descended? mustn't they have descended?	mustn't I have been descending? mustn't you have been descending? mustn't he have been descending? mustn't we have been descending? mustn't you have been descending? mustn't they have been descending?