I must forgive you must forgive he must forgive we must forgive you must forgive they must forgive
V-ing form
I must be forgiving you must be forgiving he must be forgiving we must be forgiving you must be forgiving they must be forgiving
Perfect
I must have forgiven you must have forgiven he must have forgiven we must have forgiven you must have forgiven they must have forgiven
V-ing perfect
I must have been forgiving you must have been forgiving he must have been forgiving we must have been forgiving you must have been forgiving they must have been forgiving
Negation
Simple form
I mustn't forgive you mustn't forgive he mustn't forgive we mustn't forgive you mustn't forgive they mustn't forgive
V-ing form
I mustn't be forgiving you mustn't be forgiving he mustn't be forgiving we mustn't be forgiving you mustn't be forgiving they mustn't be forgiving
Perfect
I mustn't have forgiven you mustn't have forgiven he mustn't have forgiven we mustn't have forgiven you mustn't have forgiven they mustn't have forgiven
V-ing perfect
I mustn't have been forgiving you mustn't have been forgiving he mustn't have been forgiving we mustn't have been forgiving you mustn't have been forgiving they mustn't have been forgiving
Interrogative form
Simple form
must I forgive? must you forgive? must he forgive? must we forgive? must you forgive? must they forgive?
V-ing form
must I be forgiving? must you be forgiving? must he be forgiving? must we be forgiving? must you be forgiving? must they be forgiving?
Perfect
must I have forgiven? must you have forgiven? must he have forgiven? must we have forgiven? must you have forgiven? must they have forgiven?
V-ing perfect
must I have been forgiving? must you have been forgiving? must he have been forgiving? must we have been forgiving? must you have been forgiving? must they have been forgiving?
Interro-negative form
Simple form
mustn't I forgive? mustn't you forgive? mustn't he forgive? mustn't we forgive? mustn't you forgive? mustn't they forgive?
V-ing form
mustn't I be forgiving? mustn't you be forgiving? mustn't he be forgiving? mustn't we be forgiving? mustn't you be forgiving? mustn't they be forgiving?
Perfect
mustn't I have forgiven? mustn't you have forgiven? mustn't he have forgiven? mustn't we have forgiven? mustn't you have forgiven? mustn't they have forgiven?
V-ing perfect
mustn't I have been forgiving? mustn't you have been forgiving? mustn't he have been forgiving? mustn't we have been forgiving? mustn't you have been forgiving? mustn't they have been forgiving?