I must betroth you must betroth he must betroth we must betroth you must betroth they must betroth
V-ing form
I must be betrothing you must be betrothing he must be betrothing we must be betrothing you must be betrothing they must be betrothing
Perfect
I must have betrothed you must have betrothed he must have betrothed we must have betrothed you must have betrothed they must have betrothed
V-ing perfect
I must have been betrothing you must have been betrothing he must have been betrothing we must have been betrothing you must have been betrothing they must have been betrothing
Negation
Simple form
I must not betroth you must not betroth he must not betroth we must not betroth you must not betroth they must not betroth
V-ing form
I must not be betrothing you must not be betrothing he must not be betrothing we must not be betrothing you must not be betrothing they must not be betrothing
Perfect
I must not have betrothed you must not have betrothed he must not have betrothed we must not have betrothed you must not have betrothed they must not have betrothed
V-ing perfect
I must not have been betrothing you must not have been betrothing he must not have been betrothing we must not have been betrothing you must not have been betrothing they must not have been betrothing
Interrogative form
Simple form
must I betroth? must you betroth? must he betroth? must we betroth? must you betroth? must they betroth?
V-ing form
must I be betrothing? must you be betrothing? must he be betrothing? must we be betrothing? must you be betrothing? must they be betrothing?
Perfect
must I have betrothed? must you have betrothed? must he have betrothed? must we have betrothed? must you have betrothed? must they have betrothed?
V-ing perfect
must I have been betrothing? must you have been betrothing? must he have been betrothing? must we have been betrothing? must you have been betrothing? must they have been betrothing?
Interro-negative form
Simple form
must I not betroth? must you not betroth? must he not betroth? must we not betroth? must you not betroth? must they not betroth?
V-ing form
must I not be betrothing? must you not be betrothing? must he not be betrothing? must we not be betrothing? must you not be betrothing? must they not be betrothing?
Perfect
must I not have betrothed? must you not have betrothed? must he not have betrothed? must we not have betrothed? must you not have betrothed? must they not have betrothed?
V-ing perfect
must I not have been betrothing? must you not have been betrothing? must he not have been betrothing? must we not have been betrothing? must you not have been betrothing? must they not have been betrothing?