English verb conjugation
MUST RETHINK

Irregular verb: rethink - rethought - rethought

Affirmation

Simple form	V-ing form
I must rethink you must rethink he must rethink we must rethink you must rethink they must rethink	I must be rethinking you must be rethinking he must be rethinking we must be rethinking you must be rethinking they must be rethinking
Perfect	V-ing perfect
I must have rethought you must have rethought he must have rethought we must have rethought you must have rethought they must have rethought	I must have been rethinking you must have been rethinking he must have been rethinking we must have been rethinking you must have been rethinking they must have been rethinking

Negation

Simple form	V-ing form
I must not rethink you must not rethink he must not rethink we must not rethink you must not rethink they must not rethink	I must not be rethinking you must not be rethinking he must not be rethinking we must not be rethinking you must not be rethinking they must not be rethinking
Perfect	V-ing perfect
I must not have rethought you must not have rethought he must not have rethought we must not have rethought you must not have rethought they must not have rethought	I must not have been rethinking you must not have been rethinking he must not have been rethinking we must not have been rethinking you must not have been rethinking they must not have been rethinking

Interrogative form

Simple form	V-ing form
must I rethink? must you rethink? must he rethink? must we rethink? must you rethink? must they rethink?	must I be rethinking? must you be rethinking? must he be rethinking? must we be rethinking? must you be rethinking? must they be rethinking?
Perfect	V-ing perfect
must I have rethought? must you have rethought? must he have rethought? must we have rethought? must you have rethought? must they have rethought?	must I have been rethinking? must you have been rethinking? must he have been rethinking? must we have been rethinking? must you have been rethinking? must they have been rethinking?

Interro-negative form

Simple form	V-ing form
must I not rethink? must you not rethink? must he not rethink? must we not rethink? must you not rethink? must they not rethink?	must I not be rethinking? must you not be rethinking? must he not be rethinking? must we not be rethinking? must you not be rethinking? must they not be rethinking?
Perfect	V-ing perfect
must I not have rethought? must you not have rethought? must he not have rethought? must we not have rethought? must you not have rethought? must they not have rethought?	must I not have been rethinking? must you not have been rethinking? must he not have been rethinking? must we not have been rethinking? must you not have been rethinking? must they not have been rethinking?