English verb conjugation
MUST SLATHER

Regular verb: slather - slathered - slathered

Affirmation

Simple form	V-ing form
I must slather you must slather she must slather we must slather you must slather they must slather	I must be slathering you must be slathering she must be slathering we must be slathering you must be slathering they must be slathering
Perfect	V-ing perfect
I must have slathered you must have slathered she must have slathered we must have slathered you must have slathered they must have slathered	I must have been slathering you must have been slathering she must have been slathering we must have been slathering you must have been slathering they must have been slathering

Negation

Simple form	V-ing form
I mustn't slather you mustn't slather she mustn't slather we mustn't slather you mustn't slather they mustn't slather	I mustn't be slathering you mustn't be slathering she mustn't be slathering we mustn't be slathering you mustn't be slathering they mustn't be slathering
Perfect	V-ing perfect
I mustn't have slathered you mustn't have slathered she mustn't have slathered we mustn't have slathered you mustn't have slathered they mustn't have slathered	I mustn't have been slathering you mustn't have been slathering she mustn't have been slathering we mustn't have been slathering you mustn't have been slathering they mustn't have been slathering

Interrogative form

Simple form	V-ing form
must I slather? must you slather? must she slather? must we slather? must you slather? must they slather?	must I be slathering? must you be slathering? must she be slathering? must we be slathering? must you be slathering? must they be slathering?
Perfect	V-ing perfect
must I have slathered? must you have slathered? must she have slathered? must we have slathered? must you have slathered? must they have slathered?	must I have been slathering? must you have been slathering? must she have been slathering? must we have been slathering? must you have been slathering? must they have been slathering?

Interro-negative form

Simple form	V-ing form
mustn't I slather? mustn't you slather? mustn't she slather? mustn't we slather? mustn't you slather? mustn't they slather?	mustn't I be slathering? mustn't you be slathering? mustn't she be slathering? mustn't we be slathering? mustn't you be slathering? mustn't they be slathering?
Perfect	V-ing perfect
mustn't I have slathered? mustn't you have slathered? mustn't she have slathered? mustn't we have slathered? mustn't you have slathered? mustn't they have slathered?	mustn't I have been slathering? mustn't you have been slathering? mustn't she have been slathering? mustn't we have been slathering? mustn't you have been slathering? mustn't they have been slathering?