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