must single
Verbo regular: single - singled- singled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must single
you must single
she must single
we must single
you must single
they must single 	I must be singling
you must be singling
she must be singling
we must be singling
you must be singling
they must be singling	I must have singled
you must have singled
she must have singled
we must have singled
you must have singled
they must have singled	I must have been singling
you must have been singling
she must have been singling
we must have been singling
you must have been singling
they must have been singling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not single
you must not single
she must not single
we must not single
you must not single
they must not single 	I must not be singling
you must not be singling
she must not be singling
we must not be singling
you must not be singling
they must not be singling	I must not have singled
you must not have singled
she must not have singled
we must not have singled
you must not have singled
they must not have singled	I must not have been singling
you must not have been singling
she must not have been singling
we must not have been singling
you must not have been singling
they must not have been singling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I single?
must you single?
must she single?
must we single?
must you single?
must they single? 	must I be singling?
must you be singling?
must she be singling?
must we be singling?
must you be singling?
must they be singling? 	must I have singled?
must you have singled?
must she have singled?
must we have singled?
must you have singled?
must they have singled? 	must I have been singling?
must you have been singling?
must she have been singling?
must we have been singling?
must you have been singling?
must they have been singling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not single?
must you not single?
must she not single?
must we not single?
must you not single?
must they not single? 	must I not be singling?
must you not be singling?
must she not be singling?
must we not be singling?
must you not be singling?
must they not be singling? 	must I not have singled?
must you not have singled?
must she not have singled?
must we not have singled?
must you not have singled?
must they not have singled? 	must I not have been singling?
must you not have been singling?
must she not have been singling?
must we not have been singling?
must you not have been singling?
must they not have been singling?