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 mustn't rethink you mustn't rethink he mustn't rethink we mustn't rethink you mustn't rethink they mustn't rethink	I mustn't be rethinking you mustn't be rethinking he mustn't be rethinking we mustn't be rethinking you mustn't be rethinking they mustn't be rethinking
Perfect	V-ing perfect
I mustn't have rethought you mustn't have rethought he mustn't have rethought we mustn't have rethought you mustn't have rethought they mustn't have rethought	I mustn't have been rethinking you mustn't have been rethinking he mustn't have been rethinking we mustn't have been rethinking you mustn't have been rethinking they mustn't 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
mustn't I rethink? mustn't you rethink? mustn't he rethink? mustn't we rethink? mustn't you rethink? mustn't they rethink?	mustn't I be rethinking? mustn't you be rethinking? mustn't he be rethinking? mustn't we be rethinking? mustn't you be rethinking? mustn't they be rethinking?
Perfect	V-ing perfect
mustn't I have rethought? mustn't you have rethought? mustn't he have rethought? mustn't we have rethought? mustn't you have rethought? mustn't they have rethought?	mustn't I have been rethinking? mustn't you have been rethinking? mustn't he have been rethinking? mustn't we have been rethinking? mustn't you have been rethinking? mustn't they have been rethinking?