I must pray you must pray he must pray we must pray you must pray they must pray
V-ing form
I must be praying you must be praying he must be praying we must be praying you must be praying they must be praying
Perfect
I must have prayed you must have prayed he 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 he must have been praying we must have been praying you must have been praying they must have been praying
Negation
Simple form
I mustn't pray you mustn't pray he mustn't pray we mustn't pray you mustn't pray they mustn't pray
V-ing form
I mustn't be praying you mustn't be praying he mustn't be praying we mustn't be praying you mustn't be praying they mustn't be praying
Perfect
I mustn't have prayed you mustn't have prayed he mustn't have prayed we mustn't have prayed you mustn't have prayed they mustn't have prayed
V-ing perfect
I mustn't have been praying you mustn't have been praying he mustn't have been praying we mustn't have been praying you mustn't have been praying they mustn't have been praying
Interrogative form
Simple form
must I pray? must you pray? must he pray? must we pray? must you pray? must they pray?
V-ing form
must I be praying? must you be praying? must he be praying? must we be praying? must you be praying? must they be praying?
Perfect
must I have prayed? must you have prayed? must he 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 he have been praying? must we have been praying? must you have been praying? must they have been praying?
Interro-negative form
Simple form
mustn't I pray? mustn't you pray? mustn't he pray? mustn't we pray? mustn't you pray? mustn't they pray?
V-ing form
mustn't I be praying? mustn't you be praying? mustn't he be praying? mustn't we be praying? mustn't you be praying? mustn't they be praying?
Perfect
mustn't I have prayed? mustn't you have prayed? mustn't he have prayed? mustn't we have prayed? mustn't you have prayed? mustn't they have prayed?
V-ing perfect
mustn't I have been praying? mustn't you have been praying? mustn't he have been praying? mustn't we have been praying? mustn't you have been praying? mustn't they have been praying?