must greet
Verbo regular: greet - greeted- greeted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must greet
you must greet
she must greet
we must greet
you must greet
they must greet 	I must be greeting
you must be greeting
she must be greeting
we must be greeting
you must be greeting
they must be greeting	I must have greeted
you must have greeted
she must have greeted
we must have greeted
you must have greeted
they must have greeted	I must have been greeting
you must have been greeting
she must have been greeting
we must have been greeting
you must have been greeting
they must have been greeting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not greet
you must not greet
she must not greet
we must not greet
you must not greet
they must not greet 	I must not be greeting
you must not be greeting
she must not be greeting
we must not be greeting
you must not be greeting
they must not be greeting	I must not have greeted
you must not have greeted
she must not have greeted
we must not have greeted
you must not have greeted
they must not have greeted	I must not have been greeting
you must not have been greeting
she must not have been greeting
we must not have been greeting
you must not have been greeting
they must not have been greeting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I greet?
must you greet?
must she greet?
must we greet?
must you greet?
must they greet? 	must I be greeting?
must you be greeting?
must she be greeting?
must we be greeting?
must you be greeting?
must they be greeting? 	must I have greeted?
must you have greeted?
must she have greeted?
must we have greeted?
must you have greeted?
must they have greeted? 	must I have been greeting?
must you have been greeting?
must she have been greeting?
must we have been greeting?
must you have been greeting?
must they have been greeting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not greet?
must you not greet?
must she not greet?
must we not greet?
must you not greet?
must they not greet? 	must I not be greeting?
must you not be greeting?
must she not be greeting?
must we not be greeting?
must you not be greeting?
must they not be greeting? 	must I not have greeted?
must you not have greeted?
must she not have greeted?
must we not have greeted?
must you not have greeted?
must they not have greeted? 	must I not have been greeting?
must you not have been greeting?
must she not have been greeting?
must we not have been greeting?
must you not have been greeting?
must they not have been greeting?