English verb conjugation
MUST EXPAND STH

Regular verb: expand sth - expand sthed - expand sthed

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I must expand sth you must expand sth he must expand sth we must expand sth you must expand sth they must expand sth	I must be expand sthing you must be expand sthing he must be expand sthing we must be expand sthing you must be expand sthing they must be expand sthing
Perfect	V-ing perfect
I must have expand sthed you must have expand sthed he must have expand sthed we must have expand sthed you must have expand sthed they must have expand sthed	I must have been expand sthing you must have been expand sthing he must have been expand sthing we must have been expand sthing you must have been expand sthing they must have been expand sthing

Negation

Simple form	V-ing form
I must not expand sth you must not expand sth he must not expand sth we must not expand sth you must not expand sth they must not expand sth	I must not be expand sthing you must not be expand sthing he must not be expand sthing we must not be expand sthing you must not be expand sthing they must not be expand sthing
Perfect	V-ing perfect
I must not have expand sthed you must not have expand sthed he must not have expand sthed we must not have expand sthed you must not have expand sthed they must not have expand sthed	I must not have been expand sthing you must not have been expand sthing he must not have been expand sthing we must not have been expand sthing you must not have been expand sthing they must not have been expand sthing

Interrogative form

Simple form	V-ing form
must I expand sth? must you expand sth? must he expand sth? must we expand sth? must you expand sth? must they expand sth?	must I be expand sthing? must you be expand sthing? must he be expand sthing? must we be expand sthing? must you be expand sthing? must they be expand sthing?
Perfect	V-ing perfect
must I have expand sthed? must you have expand sthed? must he have expand sthed? must we have expand sthed? must you have expand sthed? must they have expand sthed?	must I have been expand sthing? must you have been expand sthing? must he have been expand sthing? must we have been expand sthing? must you have been expand sthing? must they have been expand sthing?

Interro-negative form

Simple form	V-ing form
must I not expand sth? must you not expand sth? must he not expand sth? must we not expand sth? must you not expand sth? must they not expand sth?	must I not be expand sthing? must you not be expand sthing? must he not be expand sthing? must we not be expand sthing? must you not be expand sthing? must they not be expand sthing?
Perfect	V-ing perfect
must I not have expand sthed? must you not have expand sthed? must he not have expand sthed? must we not have expand sthed? must you not have expand sthed? must they not have expand sthed?	must I not have been expand sthing? must you not have been expand sthing? must he not have been expand sthing? must we not have been expand sthing? must you not have been expand sthing? must they not have been expand sthing?