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 must not hug you must not hug he must not hug we must not hug you must not hug they must not hug
V-ing form
I must not be hugging you must not be hugging he must not be hugging we must not be hugging you must not be hugging they must not be hugging
Perfect
I must not have hugged you must not have hugged he must not have hugged we must not have hugged you must not have hugged they must not have hugged
V-ing perfect
I must not have been hugging you must not have been hugging he must not have been hugging we must not have been hugging you must not have been hugging they must not 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
must I not hug? must you not hug? must he not hug? must we not hug? must you not hug? must they not hug?
V-ing form
must I not be hugging? must you not be hugging? must he not be hugging? must we not be hugging? must you not be hugging? must they not be hugging?
Perfect
must I not have hugged? must you not have hugged? must he not have hugged? must we not have hugged? must you not have hugged? must they not have hugged?
V-ing perfect
must I not have been hugging? must you not have been hugging? must he not have been hugging? must we not have been hugging? must you not have been hugging? must they not have been hugging?