I must sway you must sway she must sway we must sway you must sway they must sway
V-ing form
I must be swaying you must be swaying she must be swaying we must be swaying you must be swaying they must be swaying
Perfect
I must have swayed you must have swayed she must have swayed we must have swayed you must have swayed they must have swayed
V-ing perfect
I must have been swaying you must have been swaying she must have been swaying we must have been swaying you must have been swaying they must have been swaying
Negation
Simple form
I must not sway you must not sway she must not sway we must not sway you must not sway they must not sway
V-ing form
I must not be swaying you must not be swaying she must not be swaying we must not be swaying you must not be swaying they must not be swaying
Perfect
I must not have swayed you must not have swayed she must not have swayed we must not have swayed you must not have swayed they must not have swayed
V-ing perfect
I must not have been swaying you must not have been swaying she must not have been swaying we must not have been swaying you must not have been swaying they must not have been swaying
Interrogative form
Simple form
must I sway? must you sway? must she sway? must we sway? must you sway? must they sway?
V-ing form
must I be swaying? must you be swaying? must she be swaying? must we be swaying? must you be swaying? must they be swaying?
Perfect
must I have swayed? must you have swayed? must she have swayed? must we have swayed? must you have swayed? must they have swayed?
V-ing perfect
must I have been swaying? must you have been swaying? must she have been swaying? must we have been swaying? must you have been swaying? must they have been swaying?
Interro-negative form
Simple form
must I not sway? must you not sway? must she not sway? must we not sway? must you not sway? must they not sway?
V-ing form
must I not be swaying? must you not be swaying? must she not be swaying? must we not be swaying? must you not be swaying? must they not be swaying?
Perfect
must I not have swayed? must you not have swayed? must she not have swayed? must we not have swayed? must you not have swayed? must they not have swayed?
V-ing perfect
must I not have been swaying? must you not have been swaying? must she not have been swaying? must we not have been swaying? must you not have been swaying? must they not have been swaying?