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