English verb conjugation
MUST COGITATE

Regular verb: cogitate - cogitated - cogitated

Affirmation

Simple form	V-ing form
I must cogitate you must cogitate he must cogitate we must cogitate you must cogitate they must cogitate	I must be cogitating you must be cogitating he must be cogitating we must be cogitating you must be cogitating they must be cogitating
Perfect	V-ing perfect
I must have cogitated you must have cogitated he must have cogitated we must have cogitated you must have cogitated they must have cogitated	I must have been cogitating you must have been cogitating he must have been cogitating we must have been cogitating you must have been cogitating they must have been cogitating

Negation

Simple form	V-ing form
I must not cogitate you must not cogitate he must not cogitate we must not cogitate you must not cogitate they must not cogitate	I must not be cogitating you must not be cogitating he must not be cogitating we must not be cogitating you must not be cogitating they must not be cogitating
Perfect	V-ing perfect
I must not have cogitated you must not have cogitated he must not have cogitated we must not have cogitated you must not have cogitated they must not have cogitated	I must not have been cogitating you must not have been cogitating he must not have been cogitating we must not have been cogitating you must not have been cogitating they must not have been cogitating

Interrogative form

Simple form	V-ing form
must I cogitate? must you cogitate? must he cogitate? must we cogitate? must you cogitate? must they cogitate?	must I be cogitating? must you be cogitating? must he be cogitating? must we be cogitating? must you be cogitating? must they be cogitating?
Perfect	V-ing perfect
must I have cogitated? must you have cogitated? must he have cogitated? must we have cogitated? must you have cogitated? must they have cogitated?	must I have been cogitating? must you have been cogitating? must he have been cogitating? must we have been cogitating? must you have been cogitating? must they have been cogitating?

Interro-negative form

Simple form	V-ing form
must I not cogitate? must you not cogitate? must he not cogitate? must we not cogitate? must you not cogitate? must they not cogitate?	must I not be cogitating? must you not be cogitating? must he not be cogitating? must we not be cogitating? must you not be cogitating? must they not be cogitating?
Perfect	V-ing perfect
must I not have cogitated? must you not have cogitated? must he not have cogitated? must we not have cogitated? must you not have cogitated? must they not have cogitated?	must I not have been cogitating? must you not have been cogitating? must he not have been cogitating? must we not have been cogitating? must you not have been cogitating? must they not have been cogitating?