English verb conjugation
MUST OVERPLAN

Regular verb: overplan - overplaned - overplaned

Affirmation

Simple form	V-ing form
I must overplan you must overplan he must overplan we must overplan you must overplan they must overplan	I must be overplaning you must be overplaning he must be overplaning we must be overplaning you must be overplaning they must be overplaning
Perfect	V-ing perfect
I must have overplaned you must have overplaned he must have overplaned we must have overplaned you must have overplaned they must have overplaned	I must have been overplaning you must have been overplaning he must have been overplaning we must have been overplaning you must have been overplaning they must have been overplaning

Negation

Simple form	V-ing form
I mustn't overplan you mustn't overplan he mustn't overplan we mustn't overplan you mustn't overplan they mustn't overplan	I mustn't be overplaning you mustn't be overplaning he mustn't be overplaning we mustn't be overplaning you mustn't be overplaning they mustn't be overplaning
Perfect	V-ing perfect
I mustn't have overplaned you mustn't have overplaned he mustn't have overplaned we mustn't have overplaned you mustn't have overplaned they mustn't have overplaned	I mustn't have been overplaning you mustn't have been overplaning he mustn't have been overplaning we mustn't have been overplaning you mustn't have been overplaning they mustn't have been overplaning

Interrogative form

Simple form	V-ing form
must I overplan? must you overplan? must he overplan? must we overplan? must you overplan? must they overplan?	must I be overplaning? must you be overplaning? must he be overplaning? must we be overplaning? must you be overplaning? must they be overplaning?
Perfect	V-ing perfect
must I have overplaned? must you have overplaned? must he have overplaned? must we have overplaned? must you have overplaned? must they have overplaned?	must I have been overplaning? must you have been overplaning? must he have been overplaning? must we have been overplaning? must you have been overplaning? must they have been overplaning?

Interro-negative form

Simple form	V-ing form
mustn't I overplan? mustn't you overplan? mustn't he overplan? mustn't we overplan? mustn't you overplan? mustn't they overplan?	mustn't I be overplaning? mustn't you be overplaning? mustn't he be overplaning? mustn't we be overplaning? mustn't you be overplaning? mustn't they be overplaning?
Perfect	V-ing perfect
mustn't I have overplaned? mustn't you have overplaned? mustn't he have overplaned? mustn't we have overplaned? mustn't you have overplaned? mustn't they have overplaned?	mustn't I have been overplaning? mustn't you have been overplaning? mustn't he have been overplaning? mustn't we have been overplaning? mustn't you have been overplaning? mustn't they have been overplaning?