English verb conjugation
MUST CONTAIN CONTAIN

Regular verb: contain contain - contain contained - contain contained

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I must contain contain you must contain contain he must contain contain we must contain contain you must contain contain they must contain contain	I must be contain containing you must be contain containing he must be contain containing we must be contain containing you must be contain containing they must be contain containing
Perfect	V-ing perfect
I must have contain contained you must have contain contained he must have contain contained we must have contain contained you must have contain contained they must have contain contained	I must have been contain containing you must have been contain containing he must have been contain containing we must have been contain containing you must have been contain containing they must have been contain containing

Negation

Simple form	V-ing form
I mustn't contain contain you mustn't contain contain he mustn't contain contain we mustn't contain contain you mustn't contain contain they mustn't contain contain	I mustn't be contain containing you mustn't be contain containing he mustn't be contain containing we mustn't be contain containing you mustn't be contain containing they mustn't be contain containing
Perfect	V-ing perfect
I mustn't have contain contained you mustn't have contain contained he mustn't have contain contained we mustn't have contain contained you mustn't have contain contained they mustn't have contain contained	I mustn't have been contain containing you mustn't have been contain containing he mustn't have been contain containing we mustn't have been contain containing you mustn't have been contain containing they mustn't have been contain containing

Interrogative form

Simple form	V-ing form
must I contain contain? must you contain contain? must he contain contain? must we contain contain? must you contain contain? must they contain contain?	must I be contain containing? must you be contain containing? must he be contain containing? must we be contain containing? must you be contain containing? must they be contain containing?
Perfect	V-ing perfect
must I have contain contained? must you have contain contained? must he have contain contained? must we have contain contained? must you have contain contained? must they have contain contained?	must I have been contain containing? must you have been contain containing? must he have been contain containing? must we have been contain containing? must you have been contain containing? must they have been contain containing?

Interro-negative form

Simple form	V-ing form
mustn't I contain contain? mustn't you contain contain? mustn't he contain contain? mustn't we contain contain? mustn't you contain contain? mustn't they contain contain?	mustn't I be contain containing? mustn't you be contain containing? mustn't he be contain containing? mustn't we be contain containing? mustn't you be contain containing? mustn't they be contain containing?
Perfect	V-ing perfect
mustn't I have contain contained? mustn't you have contain contained? mustn't he have contain contained? mustn't we have contain contained? mustn't you have contain contained? mustn't they have contain contained?	mustn't I have been contain containing? mustn't you have been contain containing? mustn't he have been contain containing? mustn't we have been contain containing? mustn't you have been contain containing? mustn't they have been contain containing?