I must fantasise you must fantasise she must fantasise we must fantasise you must fantasise they must fantasise
V-ing form
I must be fantasising you must be fantasising she must be fantasising we must be fantasising you must be fantasising they must be fantasising
Perfect
I must have fantasised you must have fantasised she must have fantasised we must have fantasised you must have fantasised they must have fantasised
V-ing perfect
I must have been fantasising you must have been fantasising she must have been fantasising we must have been fantasising you must have been fantasising they must have been fantasising
Negation
Simple form
I must not fantasise you must not fantasise she must not fantasise we must not fantasise you must not fantasise they must not fantasise
V-ing form
I must not be fantasising you must not be fantasising she must not be fantasising we must not be fantasising you must not be fantasising they must not be fantasising
Perfect
I must not have fantasised you must not have fantasised she must not have fantasised we must not have fantasised you must not have fantasised they must not have fantasised
V-ing perfect
I must not have been fantasising you must not have been fantasising she must not have been fantasising we must not have been fantasising you must not have been fantasising they must not have been fantasising
Interrogative form
Simple form
must I fantasise? must you fantasise? must she fantasise? must we fantasise? must you fantasise? must they fantasise?
V-ing form
must I be fantasising? must you be fantasising? must she be fantasising? must we be fantasising? must you be fantasising? must they be fantasising?
Perfect
must I have fantasised? must you have fantasised? must she have fantasised? must we have fantasised? must you have fantasised? must they have fantasised?
V-ing perfect
must I have been fantasising? must you have been fantasising? must she have been fantasising? must we have been fantasising? must you have been fantasising? must they have been fantasising?
Interro-negative form
Simple form
must I not fantasise? must you not fantasise? must she not fantasise? must we not fantasise? must you not fantasise? must they not fantasise?
V-ing form
must I not be fantasising? must you not be fantasising? must she not be fantasising? must we not be fantasising? must you not be fantasising? must they not be fantasising?
Perfect
must I not have fantasised? must you not have fantasised? must she not have fantasised? must we not have fantasised? must you not have fantasised? must they not have fantasised?
V-ing perfect
must I not have been fantasising? must you not have been fantasising? must she not have been fantasising? must we not have been fantasising? must you not have been fantasising? must they not have been fantasising?