I must snuggle you must snuggle he must snuggle we must snuggle you must snuggle they must snuggle
V-ing form
I must be snuggling you must be snuggling he must be snuggling we must be snuggling you must be snuggling they must be snuggling
Perfect
I must have snuggled you must have snuggled he must have snuggled we must have snuggled you must have snuggled they must have snuggled
V-ing perfect
I must have been snuggling you must have been snuggling he must have been snuggling we must have been snuggling you must have been snuggling they must have been snuggling
Negation
Simple form
I must not snuggle you must not snuggle he must not snuggle we must not snuggle you must not snuggle they must not snuggle
V-ing form
I must not be snuggling you must not be snuggling he must not be snuggling we must not be snuggling you must not be snuggling they must not be snuggling
Perfect
I must not have snuggled you must not have snuggled he must not have snuggled we must not have snuggled you must not have snuggled they must not have snuggled
V-ing perfect
I must not have been snuggling you must not have been snuggling he must not have been snuggling we must not have been snuggling you must not have been snuggling they must not have been snuggling
Interrogative form
Simple form
must I snuggle? must you snuggle? must he snuggle? must we snuggle? must you snuggle? must they snuggle?
V-ing form
must I be snuggling? must you be snuggling? must he be snuggling? must we be snuggling? must you be snuggling? must they be snuggling?
Perfect
must I have snuggled? must you have snuggled? must he have snuggled? must we have snuggled? must you have snuggled? must they have snuggled?
V-ing perfect
must I have been snuggling? must you have been snuggling? must he have been snuggling? must we have been snuggling? must you have been snuggling? must they have been snuggling?
Interro-negative form
Simple form
must I not snuggle? must you not snuggle? must he not snuggle? must we not snuggle? must you not snuggle? must they not snuggle?
V-ing form
must I not be snuggling? must you not be snuggling? must he not be snuggling? must we not be snuggling? must you not be snuggling? must they not be snuggling?
Perfect
must I not have snuggled? must you not have snuggled? must he not have snuggled? must we not have snuggled? must you not have snuggled? must they not have snuggled?
V-ing perfect
must I not have been snuggling? must you not have been snuggling? must he not have been snuggling? must we not have been snuggling? must you not have been snuggling? must they not have been snuggling?