English verb conjugation
MUST APPAL

Regular verb: appal - appaled - appaled

Affirmation

Simple form	V-ing form
I must appal you must appal she must appal we must appal you must appal they must appal	I must be appaling you must be appaling she must be appaling we must be appaling you must be appaling they must be appaling
Perfect	V-ing perfect
I must have appaled you must have appaled she must have appaled we must have appaled you must have appaled they must have appaled	I must have been appaling you must have been appaling she must have been appaling we must have been appaling you must have been appaling they must have been appaling

Negation

Simple form	V-ing form
I mustn't appal you mustn't appal she mustn't appal we mustn't appal you mustn't appal they mustn't appal	I mustn't be appaling you mustn't be appaling she mustn't be appaling we mustn't be appaling you mustn't be appaling they mustn't be appaling
Perfect	V-ing perfect
I mustn't have appaled you mustn't have appaled she mustn't have appaled we mustn't have appaled you mustn't have appaled they mustn't have appaled	I mustn't have been appaling you mustn't have been appaling she mustn't have been appaling we mustn't have been appaling you mustn't have been appaling they mustn't have been appaling

Interrogative form

Simple form	V-ing form
must I appal? must you appal? must she appal? must we appal? must you appal? must they appal?	must I be appaling? must you be appaling? must she be appaling? must we be appaling? must you be appaling? must they be appaling?
Perfect	V-ing perfect
must I have appaled? must you have appaled? must she have appaled? must we have appaled? must you have appaled? must they have appaled?	must I have been appaling? must you have been appaling? must she have been appaling? must we have been appaling? must you have been appaling? must they have been appaling?

Interro-negative form

Simple form	V-ing form
mustn't I appal? mustn't you appal? mustn't she appal? mustn't we appal? mustn't you appal? mustn't they appal?	mustn't I be appaling? mustn't you be appaling? mustn't she be appaling? mustn't we be appaling? mustn't you be appaling? mustn't they be appaling?
Perfect	V-ing perfect
mustn't I have appaled? mustn't you have appaled? mustn't she have appaled? mustn't we have appaled? mustn't you have appaled? mustn't they have appaled?	mustn't I have been appaling? mustn't you have been appaling? mustn't she have been appaling? mustn't we have been appaling? mustn't you have been appaling? mustn't they have been appaling?