English verb conjugation
MUST COMPREHEND

Regular verb: comprehend - comprehended - comprehended

Affirmation

Simple form	V-ing form
I must comprehend you must comprehend he must comprehend we must comprehend you must comprehend they must comprehend	I must be comprehending you must be comprehending he must be comprehending we must be comprehending you must be comprehending they must be comprehending
Perfect	V-ing perfect
I must have comprehended you must have comprehended he must have comprehended we must have comprehended you must have comprehended they must have comprehended	I must have been comprehending you must have been comprehending he must have been comprehending we must have been comprehending you must have been comprehending they must have been comprehending

Negation

Simple form	V-ing form
I mustn't comprehend you mustn't comprehend he mustn't comprehend we mustn't comprehend you mustn't comprehend they mustn't comprehend	I mustn't be comprehending you mustn't be comprehending he mustn't be comprehending we mustn't be comprehending you mustn't be comprehending they mustn't be comprehending
Perfect	V-ing perfect
I mustn't have comprehended you mustn't have comprehended he mustn't have comprehended we mustn't have comprehended you mustn't have comprehended they mustn't have comprehended	I mustn't have been comprehending you mustn't have been comprehending he mustn't have been comprehending we mustn't have been comprehending you mustn't have been comprehending they mustn't have been comprehending

Interrogative form

Simple form	V-ing form
must I comprehend? must you comprehend? must he comprehend? must we comprehend? must you comprehend? must they comprehend?	must I be comprehending? must you be comprehending? must he be comprehending? must we be comprehending? must you be comprehending? must they be comprehending?
Perfect	V-ing perfect
must I have comprehended? must you have comprehended? must he have comprehended? must we have comprehended? must you have comprehended? must they have comprehended?	must I have been comprehending? must you have been comprehending? must he have been comprehending? must we have been comprehending? must you have been comprehending? must they have been comprehending?

Interro-negative form

Simple form	V-ing form
mustn't I comprehend? mustn't you comprehend? mustn't he comprehend? mustn't we comprehend? mustn't you comprehend? mustn't they comprehend?	mustn't I be comprehending? mustn't you be comprehending? mustn't he be comprehending? mustn't we be comprehending? mustn't you be comprehending? mustn't they be comprehending?
Perfect	V-ing perfect
mustn't I have comprehended? mustn't you have comprehended? mustn't he have comprehended? mustn't we have comprehended? mustn't you have comprehended? mustn't they have comprehended?	mustn't I have been comprehending? mustn't you have been comprehending? mustn't he have been comprehending? mustn't we have been comprehending? mustn't you have been comprehending? mustn't they have been comprehending?