I must dismay you must dismay she must dismay we must dismay you must dismay they must dismay
V-ing form
I must be dismaying you must be dismaying she must be dismaying we must be dismaying you must be dismaying they must be dismaying
Perfect
I must have dismayed you must have dismayed she must have dismayed we must have dismayed you must have dismayed they must have dismayed
V-ing perfect
I must have been dismaying you must have been dismaying she must have been dismaying we must have been dismaying you must have been dismaying they must have been dismaying
Negation
Simple form
I must not dismay you must not dismay she must not dismay we must not dismay you must not dismay they must not dismay
V-ing form
I must not be dismaying you must not be dismaying she must not be dismaying we must not be dismaying you must not be dismaying they must not be dismaying
Perfect
I must not have dismayed you must not have dismayed she must not have dismayed we must not have dismayed you must not have dismayed they must not have dismayed
V-ing perfect
I must not have been dismaying you must not have been dismaying she must not have been dismaying we must not have been dismaying you must not have been dismaying they must not have been dismaying
Interrogative form
Simple form
must I dismay? must you dismay? must she dismay? must we dismay? must you dismay? must they dismay?
V-ing form
must I be dismaying? must you be dismaying? must she be dismaying? must we be dismaying? must you be dismaying? must they be dismaying?
Perfect
must I have dismayed? must you have dismayed? must she have dismayed? must we have dismayed? must you have dismayed? must they have dismayed?
V-ing perfect
must I have been dismaying? must you have been dismaying? must she have been dismaying? must we have been dismaying? must you have been dismaying? must they have been dismaying?
Interro-negative form
Simple form
must I not dismay? must you not dismay? must she not dismay? must we not dismay? must you not dismay? must they not dismay?
V-ing form
must I not be dismaying? must you not be dismaying? must she not be dismaying? must we not be dismaying? must you not be dismaying? must they not be dismaying?
Perfect
must I not have dismayed? must you not have dismayed? must she not have dismayed? must we not have dismayed? must you not have dismayed? must they not have dismayed?
V-ing perfect
must I not have been dismaying? must you not have been dismaying? must she not have been dismaying? must we not have been dismaying? must you not have been dismaying? must they not have been dismaying?