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