English verb conjugation
MUST CIRCUMNAVIGATE

Regular verb: circumnavigate - circumnavigated - circumnavigated

Affirmation

Simple form	V-ing form
I must circumnavigate you must circumnavigate he must circumnavigate we must circumnavigate you must circumnavigate they must circumnavigate	I must be circumnavigating you must be circumnavigating he must be circumnavigating we must be circumnavigating you must be circumnavigating they must be circumnavigating
Perfect	V-ing perfect
I must have circumnavigated you must have circumnavigated he must have circumnavigated we must have circumnavigated you must have circumnavigated they must have circumnavigated	I must have been circumnavigating you must have been circumnavigating he must have been circumnavigating we must have been circumnavigating you must have been circumnavigating they must have been circumnavigating

Negation

Simple form	V-ing form
I mustn't circumnavigate you mustn't circumnavigate he mustn't circumnavigate we mustn't circumnavigate you mustn't circumnavigate they mustn't circumnavigate	I mustn't be circumnavigating you mustn't be circumnavigating he mustn't be circumnavigating we mustn't be circumnavigating you mustn't be circumnavigating they mustn't be circumnavigating
Perfect	V-ing perfect
I mustn't have circumnavigated you mustn't have circumnavigated he mustn't have circumnavigated we mustn't have circumnavigated you mustn't have circumnavigated they mustn't have circumnavigated	I mustn't have been circumnavigating you mustn't have been circumnavigating he mustn't have been circumnavigating we mustn't have been circumnavigating you mustn't have been circumnavigating they mustn't have been circumnavigating

Interrogative form

Simple form	V-ing form
must I circumnavigate? must you circumnavigate? must he circumnavigate? must we circumnavigate? must you circumnavigate? must they circumnavigate?	must I be circumnavigating? must you be circumnavigating? must he be circumnavigating? must we be circumnavigating? must you be circumnavigating? must they be circumnavigating?
Perfect	V-ing perfect
must I have circumnavigated? must you have circumnavigated? must he have circumnavigated? must we have circumnavigated? must you have circumnavigated? must they have circumnavigated?	must I have been circumnavigating? must you have been circumnavigating? must he have been circumnavigating? must we have been circumnavigating? must you have been circumnavigating? must they have been circumnavigating?

Interro-negative form

Simple form	V-ing form
mustn't I circumnavigate? mustn't you circumnavigate? mustn't he circumnavigate? mustn't we circumnavigate? mustn't you circumnavigate? mustn't they circumnavigate?	mustn't I be circumnavigating? mustn't you be circumnavigating? mustn't he be circumnavigating? mustn't we be circumnavigating? mustn't you be circumnavigating? mustn't they be circumnavigating?
Perfect	V-ing perfect
mustn't I have circumnavigated? mustn't you have circumnavigated? mustn't he have circumnavigated? mustn't we have circumnavigated? mustn't you have circumnavigated? mustn't they have circumnavigated?	mustn't I have been circumnavigating? mustn't you have been circumnavigating? mustn't he have been circumnavigating? mustn't we have been circumnavigating? mustn't you have been circumnavigating? mustn't they have been circumnavigating?