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