English verb conjugation
MUST COEXTEND

Regular verb: coextend - coextended - coextended

Affirmation

Simple form	V-ing form
I must coextend you must coextend he must coextend we must coextend you must coextend they must coextend	I must be coextending you must be coextending he must be coextending we must be coextending you must be coextending they must be coextending
Perfect	V-ing perfect
I must have coextended you must have coextended he must have coextended we must have coextended you must have coextended they must have coextended	I must have been coextending you must have been coextending he must have been coextending we must have been coextending you must have been coextending they must have been coextending

Negation

Simple form	V-ing form
I must not coextend you must not coextend he must not coextend we must not coextend you must not coextend they must not coextend	I must not be coextending you must not be coextending he must not be coextending we must not be coextending you must not be coextending they must not be coextending
Perfect	V-ing perfect
I must not have coextended you must not have coextended he must not have coextended we must not have coextended you must not have coextended they must not have coextended	I must not have been coextending you must not have been coextending he must not have been coextending we must not have been coextending you must not have been coextending they must not have been coextending

Interrogative form

Simple form	V-ing form
must I coextend? must you coextend? must he coextend? must we coextend? must you coextend? must they coextend?	must I be coextending? must you be coextending? must he be coextending? must we be coextending? must you be coextending? must they be coextending?
Perfect	V-ing perfect
must I have coextended? must you have coextended? must he have coextended? must we have coextended? must you have coextended? must they have coextended?	must I have been coextending? must you have been coextending? must he have been coextending? must we have been coextending? must you have been coextending? must they have been coextending?

Interro-negative form

Simple form	V-ing form
must I not coextend? must you not coextend? must he not coextend? must we not coextend? must you not coextend? must they not coextend?	must I not be coextending? must you not be coextending? must he not be coextending? must we not be coextending? must you not be coextending? must they not be coextending?
Perfect	V-ing perfect
must I not have coextended? must you not have coextended? must he not have coextended? must we not have coextended? must you not have coextended? must they not have coextended?	must I not have been coextending? must you not have been coextending? must he not have been coextending? must we not have been coextending? must you not have been coextending? must they not have been coextending?