English verb conjugation
CAN SCAFFOLD

Regular verb: scaffold - scaffolded - scaffolded

Affirmation

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

Negation

Simple form	V-ing form
I cannot scaffold you cannot scaffold she cannot scaffold we cannot scaffold you cannot scaffold they cannot scaffold	I cannot be scaffolding you cannot be scaffolding she cannot be scaffolding we cannot be scaffolding you cannot be scaffolding they cannot be scaffolding
Perfect	V-ing perfect
I cannot have scaffolded you cannot have scaffolded she cannot have scaffolded we cannot have scaffolded you cannot have scaffolded they cannot have scaffolded	I cannot have been scaffolding you cannot have been scaffolding she cannot have been scaffolding we cannot have been scaffolding you cannot have been scaffolding they cannot have been scaffolding

Interrogative form

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

Interro-negative form

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