I must pray you must pray she must pray we must pray you must pray they must pray
V-ing form
I must be praying you must be praying she must be praying we must be praying you must be praying they must be praying
Perfect
I must have prayed you must have prayed she must have prayed we must have prayed you must have prayed they must have prayed
V-ing perfect
I must have been praying you must have been praying she must have been praying we must have been praying you must have been praying they must have been praying
Negation
Simple form
I must not pray you must not pray she must not pray we must not pray you must not pray they must not pray
V-ing form
I must not be praying you must not be praying she must not be praying we must not be praying you must not be praying they must not be praying
Perfect
I must not have prayed you must not have prayed she must not have prayed we must not have prayed you must not have prayed they must not have prayed
V-ing perfect
I must not have been praying you must not have been praying she must not have been praying we must not have been praying you must not have been praying they must not have been praying
Interrogative form
Simple form
must I pray? must you pray? must she pray? must we pray? must you pray? must they pray?
V-ing form
must I be praying? must you be praying? must she be praying? must we be praying? must you be praying? must they be praying?
Perfect
must I have prayed? must you have prayed? must she have prayed? must we have prayed? must you have prayed? must they have prayed?
V-ing perfect
must I have been praying? must you have been praying? must she have been praying? must we have been praying? must you have been praying? must they have been praying?
Interro-negative form
Simple form
must I not pray? must you not pray? must she not pray? must we not pray? must you not pray? must they not pray?
V-ing form
must I not be praying? must you not be praying? must she not be praying? must we not be praying? must you not be praying? must they not be praying?
Perfect
must I not have prayed? must you not have prayed? must she not have prayed? must we not have prayed? must you not have prayed? must they not have prayed?
V-ing perfect
must I not have been praying? must you not have been praying? must she not have been praying? must we not have been praying? must you not have been praying? must they not have been praying?