English verb conjugation
MUST ENTER STH

Regular verb: enter sth - enter sthed - enter sthed

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

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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