I must jiggle you must jiggle she must jiggle we must jiggle you must jiggle they must jiggle
V-ing form
I must be jiggling you must be jiggling she must be jiggling we must be jiggling you must be jiggling they must be jiggling
Perfect
I must have jiggled you must have jiggled she must have jiggled we must have jiggled you must have jiggled they must have jiggled
V-ing perfect
I must have been jiggling you must have been jiggling she must have been jiggling we must have been jiggling you must have been jiggling they must have been jiggling
Negation
Simple form
I must not jiggle you must not jiggle she must not jiggle we must not jiggle you must not jiggle they must not jiggle
V-ing form
I must not be jiggling you must not be jiggling she must not be jiggling we must not be jiggling you must not be jiggling they must not be jiggling
Perfect
I must not have jiggled you must not have jiggled she must not have jiggled we must not have jiggled you must not have jiggled they must not have jiggled
V-ing perfect
I must not have been jiggling you must not have been jiggling she must not have been jiggling we must not have been jiggling you must not have been jiggling they must not have been jiggling
Interrogative form
Simple form
must I jiggle? must you jiggle? must she jiggle? must we jiggle? must you jiggle? must they jiggle?
V-ing form
must I be jiggling? must you be jiggling? must she be jiggling? must we be jiggling? must you be jiggling? must they be jiggling?
Perfect
must I have jiggled? must you have jiggled? must she have jiggled? must we have jiggled? must you have jiggled? must they have jiggled?
V-ing perfect
must I have been jiggling? must you have been jiggling? must she have been jiggling? must we have been jiggling? must you have been jiggling? must they have been jiggling?
Interro-negative form
Simple form
must I not jiggle? must you not jiggle? must she not jiggle? must we not jiggle? must you not jiggle? must they not jiggle?
V-ing form
must I not be jiggling? must you not be jiggling? must she not be jiggling? must we not be jiggling? must you not be jiggling? must they not be jiggling?
Perfect
must I not have jiggled? must you not have jiggled? must she not have jiggled? must we not have jiggled? must you not have jiggled? must they not have jiggled?
V-ing perfect
must I not have been jiggling? must you not have been jiggling? must she not have been jiggling? must we not have been jiggling? must you not have been jiggling? must they not have been jiggling?