English verb conjugation
MUST SCAFFOLD

Regular verb: scaffold - scaffolded - scaffolded

Affirmation

Simple form	V-ing form
I must scaffold you must scaffold he must scaffold we must scaffold you must scaffold they must scaffold	I must be scaffolding you must be scaffolding he must be scaffolding we must be scaffolding you must be scaffolding they must be scaffolding
Perfect	V-ing perfect
I must have scaffolded you must have scaffolded he must have scaffolded we must have scaffolded you must have scaffolded they must have scaffolded	I must have been scaffolding you must have been scaffolding he must have been scaffolding we must have been scaffolding you must have been scaffolding they must have been scaffolding

Negation

Simple form	V-ing form
I must not scaffold you must not scaffold he must not scaffold we must not scaffold you must not scaffold they must not scaffold	I must not be scaffolding you must not be scaffolding he must not be scaffolding we must not be scaffolding you must not be scaffolding they must not be scaffolding
Perfect	V-ing perfect
I must not have scaffolded you must not have scaffolded he must not have scaffolded we must not have scaffolded you must not have scaffolded they must not have scaffolded	I must not have been scaffolding you must not have been scaffolding he must not have been scaffolding we must not have been scaffolding you must not have been scaffolding they must not have been scaffolding

Interrogative form

Simple form	V-ing form
must I scaffold? must you scaffold? must he scaffold? must we scaffold? must you scaffold? must they scaffold?	must I be scaffolding? must you be scaffolding? must he be scaffolding? must we be scaffolding? must you be scaffolding? must they be scaffolding?
Perfect	V-ing perfect
must I have scaffolded? must you have scaffolded? must he have scaffolded? must we have scaffolded? must you have scaffolded? must they have scaffolded?	must I have been scaffolding? must you have been scaffolding? must he have been scaffolding? must we have been scaffolding? must you have been scaffolding? must they have been scaffolding?

Interro-negative form

Simple form	V-ing form
must I not scaffold? must you not scaffold? must he not scaffold? must we not scaffold? must you not scaffold? must they not scaffold?	must I not be scaffolding? must you not be scaffolding? must he not be scaffolding? must we not be scaffolding? must you not be scaffolding? must they not be scaffolding?
Perfect	V-ing perfect
must I not have scaffolded? must you not have scaffolded? must he not have scaffolded? must we not have scaffolded? must you not have scaffolded? must they not have scaffolded?	must I not have been scaffolding? must you not have been scaffolding? must he not have been scaffolding? must we not have been scaffolding? must you not have been scaffolding? must they not have been scaffolding?