English verb conjugation
MUST SCHOOL

Regular verb: school - schooled - schooled

Affirmation

Simple form	V-ing form
I must school you must school he must school we must school you must school they must school	I must be schooling you must be schooling he must be schooling we must be schooling you must be schooling they must be schooling
Perfect	V-ing perfect
I must have schooled you must have schooled he must have schooled we must have schooled you must have schooled they must have schooled	I must have been schooling you must have been schooling he must have been schooling we must have been schooling you must have been schooling they must have been schooling

Negation

Simple form	V-ing form
I mustn't school you mustn't school he mustn't school we mustn't school you mustn't school they mustn't school	I mustn't be schooling you mustn't be schooling he mustn't be schooling we mustn't be schooling you mustn't be schooling they mustn't be schooling
Perfect	V-ing perfect
I mustn't have schooled you mustn't have schooled he mustn't have schooled we mustn't have schooled you mustn't have schooled they mustn't have schooled	I mustn't have been schooling you mustn't have been schooling he mustn't have been schooling we mustn't have been schooling you mustn't have been schooling they mustn't have been schooling

Interrogative form

Simple form	V-ing form
must I school? must you school? must he school? must we school? must you school? must they school?	must I be schooling? must you be schooling? must he be schooling? must we be schooling? must you be schooling? must they be schooling?
Perfect	V-ing perfect
must I have schooled? must you have schooled? must he have schooled? must we have schooled? must you have schooled? must they have schooled?	must I have been schooling? must you have been schooling? must he have been schooling? must we have been schooling? must you have been schooling? must they have been schooling?

Interro-negative form

Simple form	V-ing form
mustn't I school? mustn't you school? mustn't he school? mustn't we school? mustn't you school? mustn't they school?	mustn't I be schooling? mustn't you be schooling? mustn't he be schooling? mustn't we be schooling? mustn't you be schooling? mustn't they be schooling?
Perfect	V-ing perfect
mustn't I have schooled? mustn't you have schooled? mustn't he have schooled? mustn't we have schooled? mustn't you have schooled? mustn't they have schooled?	mustn't I have been schooling? mustn't you have been schooling? mustn't he have been schooling? mustn't we have been schooling? mustn't you have been schooling? mustn't they have been schooling?