I must synopsise you must synopsise she must synopsise we must synopsise you must synopsise they must synopsise
V-ing form
I must be synopsising you must be synopsising she must be synopsising we must be synopsising you must be synopsising they must be synopsising
Perfect
I must have synopsised you must have synopsised she must have synopsised we must have synopsised you must have synopsised they must have synopsised
V-ing perfect
I must have been synopsising you must have been synopsising she must have been synopsising we must have been synopsising you must have been synopsising they must have been synopsising
Negation
Simple form
I mustn't synopsise you mustn't synopsise she mustn't synopsise we mustn't synopsise you mustn't synopsise they mustn't synopsise
V-ing form
I mustn't be synopsising you mustn't be synopsising she mustn't be synopsising we mustn't be synopsising you mustn't be synopsising they mustn't be synopsising
Perfect
I mustn't have synopsised you mustn't have synopsised she mustn't have synopsised we mustn't have synopsised you mustn't have synopsised they mustn't have synopsised
V-ing perfect
I mustn't have been synopsising you mustn't have been synopsising she mustn't have been synopsising we mustn't have been synopsising you mustn't have been synopsising they mustn't have been synopsising
Interrogative form
Simple form
must I synopsise? must you synopsise? must she synopsise? must we synopsise? must you synopsise? must they synopsise?
V-ing form
must I be synopsising? must you be synopsising? must she be synopsising? must we be synopsising? must you be synopsising? must they be synopsising?
Perfect
must I have synopsised? must you have synopsised? must she have synopsised? must we have synopsised? must you have synopsised? must they have synopsised?
V-ing perfect
must I have been synopsising? must you have been synopsising? must she have been synopsising? must we have been synopsising? must you have been synopsising? must they have been synopsising?
Interro-negative form
Simple form
mustn't I synopsise? mustn't you synopsise? mustn't she synopsise? mustn't we synopsise? mustn't you synopsise? mustn't they synopsise?
V-ing form
mustn't I be synopsising? mustn't you be synopsising? mustn't she be synopsising? mustn't we be synopsising? mustn't you be synopsising? mustn't they be synopsising?
Perfect
mustn't I have synopsised? mustn't you have synopsised? mustn't she have synopsised? mustn't we have synopsised? mustn't you have synopsised? mustn't they have synopsised?
V-ing perfect
mustn't I have been synopsising? mustn't you have been synopsising? mustn't she have been synopsising? mustn't we have been synopsising? mustn't you have been synopsising? mustn't they have been synopsising?