I must gourmandise you must gourmandise she must gourmandise we must gourmandise you must gourmandise they must gourmandise
V-ing form
I must be gourmandising you must be gourmandising she must be gourmandising we must be gourmandising you must be gourmandising they must be gourmandising
Perfect
I must have gourmandised you must have gourmandised she must have gourmandised we must have gourmandised you must have gourmandised they must have gourmandised
V-ing perfect
I must have been gourmandising you must have been gourmandising she must have been gourmandising we must have been gourmandising you must have been gourmandising they must have been gourmandising
Negation
Simple form
I must not gourmandise you must not gourmandise she must not gourmandise we must not gourmandise you must not gourmandise they must not gourmandise
V-ing form
I must not be gourmandising you must not be gourmandising she must not be gourmandising we must not be gourmandising you must not be gourmandising they must not be gourmandising
Perfect
I must not have gourmandised you must not have gourmandised she must not have gourmandised we must not have gourmandised you must not have gourmandised they must not have gourmandised
V-ing perfect
I must not have been gourmandising you must not have been gourmandising she must not have been gourmandising we must not have been gourmandising you must not have been gourmandising they must not have been gourmandising
Interrogative form
Simple form
must I gourmandise? must you gourmandise? must she gourmandise? must we gourmandise? must you gourmandise? must they gourmandise?
V-ing form
must I be gourmandising? must you be gourmandising? must she be gourmandising? must we be gourmandising? must you be gourmandising? must they be gourmandising?
Perfect
must I have gourmandised? must you have gourmandised? must she have gourmandised? must we have gourmandised? must you have gourmandised? must they have gourmandised?
V-ing perfect
must I have been gourmandising? must you have been gourmandising? must she have been gourmandising? must we have been gourmandising? must you have been gourmandising? must they have been gourmandising?
Interro-negative form
Simple form
must I not gourmandise? must you not gourmandise? must she not gourmandise? must we not gourmandise? must you not gourmandise? must they not gourmandise?
V-ing form
must I not be gourmandising? must you not be gourmandising? must she not be gourmandising? must we not be gourmandising? must you not be gourmandising? must they not be gourmandising?
Perfect
must I not have gourmandised? must you not have gourmandised? must she not have gourmandised? must we not have gourmandised? must you not have gourmandised? must they not have gourmandised?
V-ing perfect
must I not have been gourmandising? must you not have been gourmandising? must she not have been gourmandising? must we not have been gourmandising? must you not have been gourmandising? must they not have been gourmandising?