English verb conjugation
MUST SLATHER

Regular verb: slather - slathered - slathered

Affirmation

Simple form	V-ing form
I must slather you must slather he must slather we must slather you must slather they must slather	I must be slathering you must be slathering he 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 he 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 he 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 must not slather you must not slather he must not slather we must not slather you must not slather they must not slather	I must not be slathering you must not be slathering he must not be slathering we must not be slathering you must not be slathering they must not be slathering
Perfect	V-ing perfect
I must not have slathered you must not have slathered he must not have slathered we must not have slathered you must not have slathered they must not have slathered	I must not have been slathering you must not have been slathering he must not have been slathering we must not have been slathering you must not have been slathering they must not have been slathering

Interrogative form

Simple form	V-ing form
must I slather? must you slather? must he slather? must we slather? must you slather? must they slather?	must I be slathering? must you be slathering? must he 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 he 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 he 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
must I not slather? must you not slather? must he not slather? must we not slather? must you not slather? must they not slather?	must I not be slathering? must you not be slathering? must he not be slathering? must we not be slathering? must you not be slathering? must they not be slathering?
Perfect	V-ing perfect
must I not have slathered? must you not have slathered? must he not have slathered? must we not have slathered? must you not have slathered? must they not have slathered?	must I not have been slathering? must you not have been slathering? must he not have been slathering? must we not have been slathering? must you not have been slathering? must they not have been slathering?