English verb conjugation
MUST LAUNCH

Regular verb: launch - launched - launched

Affirmation

Simple form	V-ing form
I must launch you must launch he must launch we must launch you must launch they must launch	I must be launching you must be launching he must be launching we must be launching you must be launching they must be launching
Perfect	V-ing perfect
I must have launched you must have launched he must have launched we must have launched you must have launched they must have launched	I must have been launching you must have been launching he must have been launching we must have been launching you must have been launching they must have been launching

Negation

Simple form	V-ing form
I must not launch you must not launch he must not launch we must not launch you must not launch they must not launch	I must not be launching you must not be launching he must not be launching we must not be launching you must not be launching they must not be launching
Perfect	V-ing perfect
I must not have launched you must not have launched he must not have launched we must not have launched you must not have launched they must not have launched	I must not have been launching you must not have been launching he must not have been launching we must not have been launching you must not have been launching they must not have been launching

Interrogative form

Simple form	V-ing form
must I launch? must you launch? must he launch? must we launch? must you launch? must they launch?	must I be launching? must you be launching? must he be launching? must we be launching? must you be launching? must they be launching?
Perfect	V-ing perfect
must I have launched? must you have launched? must he have launched? must we have launched? must you have launched? must they have launched?	must I have been launching? must you have been launching? must he have been launching? must we have been launching? must you have been launching? must they have been launching?

Interro-negative form

Simple form	V-ing form
must I not launch? must you not launch? must he not launch? must we not launch? must you not launch? must they not launch?	must I not be launching? must you not be launching? must he not be launching? must we not be launching? must you not be launching? must they not be launching?
Perfect	V-ing perfect
must I not have launched? must you not have launched? must he not have launched? must we not have launched? must you not have launched? must they not have launched?	must I not have been launching? must you not have been launching? must he not have been launching? must we not have been launching? must you not have been launching? must they not have been launching?