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