English verb conjugation
MUST STILL STILL

Regular verb: still still - still stilled - still stilled

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

Affirmation

Simple form	V-ing form
I must still still you must still still she must still still we must still still you must still still they must still still	I must be still stilling you must be still stilling she must be still stilling we must be still stilling you must be still stilling they must be still stilling
Perfect	V-ing perfect
I must have still stilled you must have still stilled she must have still stilled we must have still stilled you must have still stilled they must have still stilled	I must have been still stilling you must have been still stilling she must have been still stilling we must have been still stilling you must have been still stilling they must have been still stilling

Negation

Simple form	V-ing form
I must not still still you must not still still she must not still still we must not still still you must not still still they must not still still	I must not be still stilling you must not be still stilling she must not be still stilling we must not be still stilling you must not be still stilling they must not be still stilling
Perfect	V-ing perfect
I must not have still stilled you must not have still stilled she must not have still stilled we must not have still stilled you must not have still stilled they must not have still stilled	I must not have been still stilling you must not have been still stilling she must not have been still stilling we must not have been still stilling you must not have been still stilling they must not have been still stilling

Interrogative form

Simple form	V-ing form
must I still still? must you still still? must she still still? must we still still? must you still still? must they still still?	must I be still stilling? must you be still stilling? must she be still stilling? must we be still stilling? must you be still stilling? must they be still stilling?
Perfect	V-ing perfect
must I have still stilled? must you have still stilled? must she have still stilled? must we have still stilled? must you have still stilled? must they have still stilled?	must I have been still stilling? must you have been still stilling? must she have been still stilling? must we have been still stilling? must you have been still stilling? must they have been still stilling?

Interro-negative form

Simple form	V-ing form
must I not still still? must you not still still? must she not still still? must we not still still? must you not still still? must they not still still?	must I not be still stilling? must you not be still stilling? must she not be still stilling? must we not be still stilling? must you not be still stilling? must they not be still stilling?
Perfect	V-ing perfect
must I not have still stilled? must you not have still stilled? must she not have still stilled? must we not have still stilled? must you not have still stilled? must they not have still stilled?	must I not have been still stilling? must you not have been still stilling? must she not have been still stilling? must we not have been still stilling? must you not have been still stilling? must they not have been still stilling?