English verb conjugation
MUST SCHEME

Regular verb: scheme - schemed - schemed

Affirmation

Simple form	V-ing form
I must scheme you must scheme she must scheme we must scheme you must scheme they must scheme	I must be scheming you must be scheming she must be scheming we must be scheming you must be scheming they must be scheming
Perfect	V-ing perfect
I must have schemed you must have schemed she must have schemed we must have schemed you must have schemed they must have schemed	I must have been scheming you must have been scheming she must have been scheming we must have been scheming you must have been scheming they must have been scheming

Negation

Simple form	V-ing form
I mustn't scheme you mustn't scheme she mustn't scheme we mustn't scheme you mustn't scheme they mustn't scheme	I mustn't be scheming you mustn't be scheming she mustn't be scheming we mustn't be scheming you mustn't be scheming they mustn't be scheming
Perfect	V-ing perfect
I mustn't have schemed you mustn't have schemed she mustn't have schemed we mustn't have schemed you mustn't have schemed they mustn't have schemed	I mustn't have been scheming you mustn't have been scheming she mustn't have been scheming we mustn't have been scheming you mustn't have been scheming they mustn't have been scheming

Interrogative form

Simple form	V-ing form
must I scheme? must you scheme? must she scheme? must we scheme? must you scheme? must they scheme?	must I be scheming? must you be scheming? must she be scheming? must we be scheming? must you be scheming? must they be scheming?
Perfect	V-ing perfect
must I have schemed? must you have schemed? must she have schemed? must we have schemed? must you have schemed? must they have schemed?	must I have been scheming? must you have been scheming? must she have been scheming? must we have been scheming? must you have been scheming? must they have been scheming?

Interro-negative form

Simple form	V-ing form
mustn't I scheme? mustn't you scheme? mustn't she scheme? mustn't we scheme? mustn't you scheme? mustn't they scheme?	mustn't I be scheming? mustn't you be scheming? mustn't she be scheming? mustn't we be scheming? mustn't you be scheming? mustn't they be scheming?
Perfect	V-ing perfect
mustn't I have schemed? mustn't you have schemed? mustn't she have schemed? mustn't we have schemed? mustn't you have schemed? mustn't they have schemed?	mustn't I have been scheming? mustn't you have been scheming? mustn't she have been scheming? mustn't we have been scheming? mustn't you have been scheming? mustn't they have been scheming?