English verb conjugation
MUST OBTUND

Regular verb: obtund - obtunded - obtunded

Affirmation

Simple form	V-ing form
I must obtund you must obtund he must obtund we must obtund you must obtund they must obtund	I must be obtunding you must be obtunding he must be obtunding we must be obtunding you must be obtunding they must be obtunding
Perfect	V-ing perfect
I must have obtunded you must have obtunded he must have obtunded we must have obtunded you must have obtunded they must have obtunded	I must have been obtunding you must have been obtunding he must have been obtunding we must have been obtunding you must have been obtunding they must have been obtunding

Negation

Simple form	V-ing form
I mustn't obtund you mustn't obtund he mustn't obtund we mustn't obtund you mustn't obtund they mustn't obtund	I mustn't be obtunding you mustn't be obtunding he mustn't be obtunding we mustn't be obtunding you mustn't be obtunding they mustn't be obtunding
Perfect	V-ing perfect
I mustn't have obtunded you mustn't have obtunded he mustn't have obtunded we mustn't have obtunded you mustn't have obtunded they mustn't have obtunded	I mustn't have been obtunding you mustn't have been obtunding he mustn't have been obtunding we mustn't have been obtunding you mustn't have been obtunding they mustn't have been obtunding

Interrogative form

Simple form	V-ing form
must I obtund? must you obtund? must he obtund? must we obtund? must you obtund? must they obtund?	must I be obtunding? must you be obtunding? must he be obtunding? must we be obtunding? must you be obtunding? must they be obtunding?
Perfect	V-ing perfect
must I have obtunded? must you have obtunded? must he have obtunded? must we have obtunded? must you have obtunded? must they have obtunded?	must I have been obtunding? must you have been obtunding? must he have been obtunding? must we have been obtunding? must you have been obtunding? must they have been obtunding?

Interro-negative form

Simple form	V-ing form
mustn't I obtund? mustn't you obtund? mustn't he obtund? mustn't we obtund? mustn't you obtund? mustn't they obtund?	mustn't I be obtunding? mustn't you be obtunding? mustn't he be obtunding? mustn't we be obtunding? mustn't you be obtunding? mustn't they be obtunding?
Perfect	V-ing perfect
mustn't I have obtunded? mustn't you have obtunded? mustn't he have obtunded? mustn't we have obtunded? mustn't you have obtunded? mustn't they have obtunded?	mustn't I have been obtunding? mustn't you have been obtunding? mustn't he have been obtunding? mustn't we have been obtunding? mustn't you have been obtunding? mustn't they have been obtunding?