I must prevaricate you must prevaricate she must prevaricate we must prevaricate you must prevaricate they must prevaricate
V-ing form
I must be prevaricating you must be prevaricating she must be prevaricating we must be prevaricating you must be prevaricating they must be prevaricating
Perfect
I must have prevaricated you must have prevaricated she must have prevaricated we must have prevaricated you must have prevaricated they must have prevaricated
V-ing perfect
I must have been prevaricating you must have been prevaricating she must have been prevaricating we must have been prevaricating you must have been prevaricating they must have been prevaricating
Negation
Simple form
I must not prevaricate you must not prevaricate she must not prevaricate we must not prevaricate you must not prevaricate they must not prevaricate
V-ing form
I must not be prevaricating you must not be prevaricating she must not be prevaricating we must not be prevaricating you must not be prevaricating they must not be prevaricating
Perfect
I must not have prevaricated you must not have prevaricated she must not have prevaricated we must not have prevaricated you must not have prevaricated they must not have prevaricated
V-ing perfect
I must not have been prevaricating you must not have been prevaricating she must not have been prevaricating we must not have been prevaricating you must not have been prevaricating they must not have been prevaricating
Interrogative form
Simple form
must I prevaricate? must you prevaricate? must she prevaricate? must we prevaricate? must you prevaricate? must they prevaricate?
V-ing form
must I be prevaricating? must you be prevaricating? must she be prevaricating? must we be prevaricating? must you be prevaricating? must they be prevaricating?
Perfect
must I have prevaricated? must you have prevaricated? must she have prevaricated? must we have prevaricated? must you have prevaricated? must they have prevaricated?
V-ing perfect
must I have been prevaricating? must you have been prevaricating? must she have been prevaricating? must we have been prevaricating? must you have been prevaricating? must they have been prevaricating?
Interro-negative form
Simple form
must I not prevaricate? must you not prevaricate? must she not prevaricate? must we not prevaricate? must you not prevaricate? must they not prevaricate?
V-ing form
must I not be prevaricating? must you not be prevaricating? must she not be prevaricating? must we not be prevaricating? must you not be prevaricating? must they not be prevaricating?
Perfect
must I not have prevaricated? must you not have prevaricated? must she not have prevaricated? must we not have prevaricated? must you not have prevaricated? must they not have prevaricated?
V-ing perfect
must I not have been prevaricating? must you not have been prevaricating? must she not have been prevaricating? must we not have been prevaricating? must you not have been prevaricating? must they not have been prevaricating?