must sclaff
Verbo regular: sclaff - sclaffed- sclaffed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must sclaff
you must sclaff
she must sclaff
we must sclaff
you must sclaff
they must sclaff 	I must be sclaffing
you must be sclaffing
she must be sclaffing
we must be sclaffing
you must be sclaffing
they must be sclaffing	I must have sclaffed
you must have sclaffed
she must have sclaffed
we must have sclaffed
you must have sclaffed
they must have sclaffed	I must have been sclaffing
you must have been sclaffing
she must have been sclaffing
we must have been sclaffing
you must have been sclaffing
they must have been sclaffing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not sclaff
you must not sclaff
she must not sclaff
we must not sclaff
you must not sclaff
they must not sclaff 	I must not be sclaffing
you must not be sclaffing
she must not be sclaffing
we must not be sclaffing
you must not be sclaffing
they must not be sclaffing	I must not have sclaffed
you must not have sclaffed
she must not have sclaffed
we must not have sclaffed
you must not have sclaffed
they must not have sclaffed	I must not have been sclaffing
you must not have been sclaffing
she must not have been sclaffing
we must not have been sclaffing
you must not have been sclaffing
they must not have been sclaffing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I sclaff?
must you sclaff?
must she sclaff?
must we sclaff?
must you sclaff?
must they sclaff? 	must I be sclaffing?
must you be sclaffing?
must she be sclaffing?
must we be sclaffing?
must you be sclaffing?
must they be sclaffing? 	must I have sclaffed?
must you have sclaffed?
must she have sclaffed?
must we have sclaffed?
must you have sclaffed?
must they have sclaffed? 	must I have been sclaffing?
must you have been sclaffing?
must she have been sclaffing?
must we have been sclaffing?
must you have been sclaffing?
must they have been sclaffing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not sclaff?
must you not sclaff?
must she not sclaff?
must we not sclaff?
must you not sclaff?
must they not sclaff? 	must I not be sclaffing?
must you not be sclaffing?
must she not be sclaffing?
must we not be sclaffing?
must you not be sclaffing?
must they not be sclaffing? 	must I not have sclaffed?
must you not have sclaffed?
must she not have sclaffed?
must we not have sclaffed?
must you not have sclaffed?
must they not have sclaffed? 	must I not have been sclaffing?
must you not have been sclaffing?
must she not have been sclaffing?
must we not have been sclaffing?
must you not have been sclaffing?
must they not have been sclaffing?