I must tetanise you must tetanise he must tetanise we must tetanise you must tetanise they must tetanise
V-ing form
I must be tetanising you must be tetanising he must be tetanising we must be tetanising you must be tetanising they must be tetanising
Perfect
I must have tetanised you must have tetanised he must have tetanised we must have tetanised you must have tetanised they must have tetanised
V-ing perfect
I must have been tetanising you must have been tetanising he must have been tetanising we must have been tetanising you must have been tetanising they must have been tetanising
Negation
Simple form
I must not tetanise you must not tetanise he must not tetanise we must not tetanise you must not tetanise they must not tetanise
V-ing form
I must not be tetanising you must not be tetanising he must not be tetanising we must not be tetanising you must not be tetanising they must not be tetanising
Perfect
I must not have tetanised you must not have tetanised he must not have tetanised we must not have tetanised you must not have tetanised they must not have tetanised
V-ing perfect
I must not have been tetanising you must not have been tetanising he must not have been tetanising we must not have been tetanising you must not have been tetanising they must not have been tetanising
Interrogative form
Simple form
must I tetanise? must you tetanise? must he tetanise? must we tetanise? must you tetanise? must they tetanise?
V-ing form
must I be tetanising? must you be tetanising? must he be tetanising? must we be tetanising? must you be tetanising? must they be tetanising?
Perfect
must I have tetanised? must you have tetanised? must he have tetanised? must we have tetanised? must you have tetanised? must they have tetanised?
V-ing perfect
must I have been tetanising? must you have been tetanising? must he have been tetanising? must we have been tetanising? must you have been tetanising? must they have been tetanising?
Interro-negative form
Simple form
must I not tetanise? must you not tetanise? must he not tetanise? must we not tetanise? must you not tetanise? must they not tetanise?
V-ing form
must I not be tetanising? must you not be tetanising? must he not be tetanising? must we not be tetanising? must you not be tetanising? must they not be tetanising?
Perfect
must I not have tetanised? must you not have tetanised? must he not have tetanised? must we not have tetanised? must you not have tetanised? must they not have tetanised?
V-ing perfect
must I not have been tetanising? must you not have been tetanising? must he not have been tetanising? must we not have been tetanising? must you not have been tetanising? must they not have been tetanising?