must lassoo
Verbo regular: lassoo - lassooed- lassooed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must lassoo
you must lassoo
she must lassoo
we must lassoo
you must lassoo
they must lassoo 	I must be lassooing
you must be lassooing
she must be lassooing
we must be lassooing
you must be lassooing
they must be lassooing	I must have lassooed
you must have lassooed
she must have lassooed
we must have lassooed
you must have lassooed
they must have lassooed	I must have been lassooing
you must have been lassooing
she must have been lassooing
we must have been lassooing
you must have been lassooing
they must have been lassooing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not lassoo
you must not lassoo
she must not lassoo
we must not lassoo
you must not lassoo
they must not lassoo 	I must not be lassooing
you must not be lassooing
she must not be lassooing
we must not be lassooing
you must not be lassooing
they must not be lassooing	I must not have lassooed
you must not have lassooed
she must not have lassooed
we must not have lassooed
you must not have lassooed
they must not have lassooed	I must not have been lassooing
you must not have been lassooing
she must not have been lassooing
we must not have been lassooing
you must not have been lassooing
they must not have been lassooing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I lassoo?
must you lassoo?
must she lassoo?
must we lassoo?
must you lassoo?
must they lassoo? 	must I be lassooing?
must you be lassooing?
must she be lassooing?
must we be lassooing?
must you be lassooing?
must they be lassooing? 	must I have lassooed?
must you have lassooed?
must she have lassooed?
must we have lassooed?
must you have lassooed?
must they have lassooed? 	must I have been lassooing?
must you have been lassooing?
must she have been lassooing?
must we have been lassooing?
must you have been lassooing?
must they have been lassooing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not lassoo?
must you not lassoo?
must she not lassoo?
must we not lassoo?
must you not lassoo?
must they not lassoo? 	must I not be lassooing?
must you not be lassooing?
must she not be lassooing?
must we not be lassooing?
must you not be lassooing?
must they not be lassooing? 	must I not have lassooed?
must you not have lassooed?
must she not have lassooed?
must we not have lassooed?
must you not have lassooed?
must they not have lassooed? 	must I not have been lassooing?
must you not have been lassooing?
must she not have been lassooing?
must we not have been lassooing?
must you not have been lassooing?
must they not have been lassooing?