English verb conjugation
MUST TINSEL

Regular verb: tinsel - tinselled - tinselled

Affirmation

Simple form	V-ing form
I must tinsel you must tinsel she must tinsel we must tinsel you must tinsel they must tinsel	I must be tinselling you must be tinselling she must be tinselling we must be tinselling you must be tinselling they must be tinselling
Perfect	V-ing perfect
I must have tinselled you must have tinselled she must have tinselled we must have tinselled you must have tinselled they must have tinselled	I must have been tinselling you must have been tinselling she must have been tinselling we must have been tinselling you must have been tinselling they must have been tinselling

Negation

Simple form	V-ing form
I must not tinsel you must not tinsel she must not tinsel we must not tinsel you must not tinsel they must not tinsel	I must not be tinselling you must not be tinselling she must not be tinselling we must not be tinselling you must not be tinselling they must not be tinselling
Perfect	V-ing perfect
I must not have tinselled you must not have tinselled she must not have tinselled we must not have tinselled you must not have tinselled they must not have tinselled	I must not have been tinselling you must not have been tinselling she must not have been tinselling we must not have been tinselling you must not have been tinselling they must not have been tinselling

Interrogative form

Simple form	V-ing form
must I tinsel? must you tinsel? must she tinsel? must we tinsel? must you tinsel? must they tinsel?	must I be tinselling? must you be tinselling? must she be tinselling? must we be tinselling? must you be tinselling? must they be tinselling?
Perfect	V-ing perfect
must I have tinselled? must you have tinselled? must she have tinselled? must we have tinselled? must you have tinselled? must they have tinselled?	must I have been tinselling? must you have been tinselling? must she have been tinselling? must we have been tinselling? must you have been tinselling? must they have been tinselling?

Interro-negative form

Simple form	V-ing form
must I not tinsel? must you not tinsel? must she not tinsel? must we not tinsel? must you not tinsel? must they not tinsel?	must I not be tinselling? must you not be tinselling? must she not be tinselling? must we not be tinselling? must you not be tinselling? must they not be tinselling?
Perfect	V-ing perfect
must I not have tinselled? must you not have tinselled? must she not have tinselled? must we not have tinselled? must you not have tinselled? must they not have tinselled?	must I not have been tinselling? must you not have been tinselling? must she not have been tinselling? must we not have been tinselling? must you not have been tinselling? must they not have been tinselling?