must scheme
Verbo regular: scheme - schemed- schemed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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	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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not scheme
you must not scheme
she must not scheme
we must not scheme
you must not scheme
they must not scheme 	I must not be scheming
you must not be scheming
she must not be scheming
we must not be scheming
you must not be scheming
they must not be scheming	I must not have schemed
you must not have schemed
she must not have schemed
we must not have schemed
you must not have schemed
they must not have schemed	I must not have been scheming
you must not have been scheming
she must not have been scheming
we must not have been scheming
you must not have been scheming
they must not have been scheming	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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? 	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? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not scheme?
must you not scheme?
must she not scheme?
must we not scheme?
must you not scheme?
must they not scheme? 	must I not be scheming?
must you not be scheming?
must she not be scheming?
must we not be scheming?
must you not be scheming?
must they not be scheming? 	must I not have schemed?
must you not have schemed?
must she not have schemed?
must we not have schemed?
must you not have schemed?
must they not have schemed? 	must I not have been scheming?
must you not have been scheming?
must she not have been scheming?
must we not have been scheming?
must you not have been scheming?
must they not have been scheming?