English verb conjugation
MUST LATHER

Regular verb: lather - lathered - lathered

Affirmation

Simple form	V-ing form
I must lather you must lather he must lather we must lather you must lather they must lather	I must be lathering you must be lathering he must be lathering we must be lathering you must be lathering they must be lathering
Perfect	V-ing perfect
I must have lathered you must have lathered he must have lathered we must have lathered you must have lathered they must have lathered	I must have been lathering you must have been lathering he must have been lathering we must have been lathering you must have been lathering they must have been lathering

Negation

Simple form	V-ing form
I mustn't lather you mustn't lather he mustn't lather we mustn't lather you mustn't lather they mustn't lather	I mustn't be lathering you mustn't be lathering he mustn't be lathering we mustn't be lathering you mustn't be lathering they mustn't be lathering
Perfect	V-ing perfect
I mustn't have lathered you mustn't have lathered he mustn't have lathered we mustn't have lathered you mustn't have lathered they mustn't have lathered	I mustn't have been lathering you mustn't have been lathering he mustn't have been lathering we mustn't have been lathering you mustn't have been lathering they mustn't have been lathering

Interrogative form

Simple form	V-ing form
must I lather? must you lather? must he lather? must we lather? must you lather? must they lather?	must I be lathering? must you be lathering? must he be lathering? must we be lathering? must you be lathering? must they be lathering?
Perfect	V-ing perfect
must I have lathered? must you have lathered? must he have lathered? must we have lathered? must you have lathered? must they have lathered?	must I have been lathering? must you have been lathering? must he have been lathering? must we have been lathering? must you have been lathering? must they have been lathering?

Interro-negative form

Simple form	V-ing form
mustn't I lather? mustn't you lather? mustn't he lather? mustn't we lather? mustn't you lather? mustn't they lather?	mustn't I be lathering? mustn't you be lathering? mustn't he be lathering? mustn't we be lathering? mustn't you be lathering? mustn't they be lathering?
Perfect	V-ing perfect
mustn't I have lathered? mustn't you have lathered? mustn't he have lathered? mustn't we have lathered? mustn't you have lathered? mustn't they have lathered?	mustn't I have been lathering? mustn't you have been lathering? mustn't he have been lathering? mustn't we have been lathering? mustn't you have been lathering? mustn't they have been lathering?