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 mustn't scaffold you mustn't scaffold he mustn't scaffold we mustn't scaffold you mustn't scaffold they mustn't scaffold	I mustn't be scaffolding you mustn't be scaffolding he mustn't be scaffolding we mustn't be scaffolding you mustn't be scaffolding they mustn't be scaffolding
Perfect	V-ing perfect
I mustn't have scaffolded you mustn't have scaffolded he mustn't have scaffolded we mustn't have scaffolded you mustn't have scaffolded they mustn't have scaffolded	I mustn't have been scaffolding you mustn't have been scaffolding he mustn't have been scaffolding we mustn't have been scaffolding you mustn't have been scaffolding they mustn't 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
mustn't I scaffold? mustn't you scaffold? mustn't he scaffold? mustn't we scaffold? mustn't you scaffold? mustn't they scaffold?	mustn't I be scaffolding? mustn't you be scaffolding? mustn't he be scaffolding? mustn't we be scaffolding? mustn't you be scaffolding? mustn't they be scaffolding?
Perfect	V-ing perfect
mustn't I have scaffolded? mustn't you have scaffolded? mustn't he have scaffolded? mustn't we have scaffolded? mustn't you have scaffolded? mustn't they have scaffolded?	mustn't I have been scaffolding? mustn't you have been scaffolding? mustn't he have been scaffolding? mustn't we have been scaffolding? mustn't you have been scaffolding? mustn't they have been scaffolding?