English verb conjugation
MUST RESERVE

Regular verb: reserve - reserved - reserved

Affirmation

Simple form	V-ing form
I must reserve you must reserve she must reserve we must reserve you must reserve they must reserve	I must be reserving you must be reserving she must be reserving we must be reserving you must be reserving they must be reserving
Perfect	V-ing perfect
I must have reserved you must have reserved she must have reserved we must have reserved you must have reserved they must have reserved	I must have been reserving you must have been reserving she must have been reserving we must have been reserving you must have been reserving they must have been reserving

Negation

Simple form	V-ing form
I mustn't reserve you mustn't reserve she mustn't reserve we mustn't reserve you mustn't reserve they mustn't reserve	I mustn't be reserving you mustn't be reserving she mustn't be reserving we mustn't be reserving you mustn't be reserving they mustn't be reserving
Perfect	V-ing perfect
I mustn't have reserved you mustn't have reserved she mustn't have reserved we mustn't have reserved you mustn't have reserved they mustn't have reserved	I mustn't have been reserving you mustn't have been reserving she mustn't have been reserving we mustn't have been reserving you mustn't have been reserving they mustn't have been reserving

Interrogative form

Simple form	V-ing form
must I reserve? must you reserve? must she reserve? must we reserve? must you reserve? must they reserve?	must I be reserving? must you be reserving? must she be reserving? must we be reserving? must you be reserving? must they be reserving?
Perfect	V-ing perfect
must I have reserved? must you have reserved? must she have reserved? must we have reserved? must you have reserved? must they have reserved?	must I have been reserving? must you have been reserving? must she have been reserving? must we have been reserving? must you have been reserving? must they have been reserving?

Interro-negative form

Simple form	V-ing form
mustn't I reserve? mustn't you reserve? mustn't she reserve? mustn't we reserve? mustn't you reserve? mustn't they reserve?	mustn't I be reserving? mustn't you be reserving? mustn't she be reserving? mustn't we be reserving? mustn't you be reserving? mustn't they be reserving?
Perfect	V-ing perfect
mustn't I have reserved? mustn't you have reserved? mustn't she have reserved? mustn't we have reserved? mustn't you have reserved? mustn't they have reserved?	mustn't I have been reserving? mustn't you have been reserving? mustn't she have been reserving? mustn't we have been reserving? mustn't you have been reserving? mustn't they have been reserving?