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