I must waggle you must waggle he must waggle we must waggle you must waggle they must waggle
V-ing form
I must be waggling you must be waggling he must be waggling we must be waggling you must be waggling they must be waggling
Perfect
I must have waggled you must have waggled he must have waggled we must have waggled you must have waggled they must have waggled
V-ing perfect
I must have been waggling you must have been waggling he must have been waggling we must have been waggling you must have been waggling they must have been waggling
Negation
Simple form
I must not waggle you must not waggle he must not waggle we must not waggle you must not waggle they must not waggle
V-ing form
I must not be waggling you must not be waggling he must not be waggling we must not be waggling you must not be waggling they must not be waggling
Perfect
I must not have waggled you must not have waggled he must not have waggled we must not have waggled you must not have waggled they must not have waggled
V-ing perfect
I must not have been waggling you must not have been waggling he must not have been waggling we must not have been waggling you must not have been waggling they must not have been waggling
Interrogative form
Simple form
must I waggle? must you waggle? must he waggle? must we waggle? must you waggle? must they waggle?
V-ing form
must I be waggling? must you be waggling? must he be waggling? must we be waggling? must you be waggling? must they be waggling?
Perfect
must I have waggled? must you have waggled? must he have waggled? must we have waggled? must you have waggled? must they have waggled?
V-ing perfect
must I have been waggling? must you have been waggling? must he have been waggling? must we have been waggling? must you have been waggling? must they have been waggling?
Interro-negative form
Simple form
must I not waggle? must you not waggle? must he not waggle? must we not waggle? must you not waggle? must they not waggle?
V-ing form
must I not be waggling? must you not be waggling? must he not be waggling? must we not be waggling? must you not be waggling? must they not be waggling?
Perfect
must I not have waggled? must you not have waggled? must he not have waggled? must we not have waggled? must you not have waggled? must they not have waggled?
V-ing perfect
must I not have been waggling? must you not have been waggling? must he not have been waggling? must we not have been waggling? must you not have been waggling? must they not have been waggling?