must disappoint
Verbo regular: disappoint - disappointed- disappointed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must disappoint
you must disappoint
he must disappoint
we must disappoint
you must disappoint
they must disappoint 	I must be disappointing
you must be disappointing
he must be disappointing
we must be disappointing
you must be disappointing
they must be disappointing	I must have disappointed
you must have disappointed
he must have disappointed
we must have disappointed
you must have disappointed
they must have disappointed	I must have been disappointing
you must have been disappointing
he must have been disappointing
we must have been disappointing
you must have been disappointing
they must have been disappointing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not disappoint
you must not disappoint
he must not disappoint
we must not disappoint
you must not disappoint
they must not disappoint 	I must not be disappointing
you must not be disappointing
he must not be disappointing
we must not be disappointing
you must not be disappointing
they must not be disappointing	I must not have disappointed
you must not have disappointed
he must not have disappointed
we must not have disappointed
you must not have disappointed
they must not have disappointed	I must not have been disappointing
you must not have been disappointing
he must not have been disappointing
we must not have been disappointing
you must not have been disappointing
they must not have been disappointing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I disappoint?
must you disappoint?
must he disappoint?
must we disappoint?
must you disappoint?
must they disappoint? 	must I be disappointing?
must you be disappointing?
must he be disappointing?
must we be disappointing?
must you be disappointing?
must they be disappointing? 	must I have disappointed?
must you have disappointed?
must he have disappointed?
must we have disappointed?
must you have disappointed?
must they have disappointed? 	must I have been disappointing?
must you have been disappointing?
must he have been disappointing?
must we have been disappointing?
must you have been disappointing?
must they have been disappointing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not disappoint?
must you not disappoint?
must he not disappoint?
must we not disappoint?
must you not disappoint?
must they not disappoint? 	must I not be disappointing?
must you not be disappointing?
must he not be disappointing?
must we not be disappointing?
must you not be disappointing?
must they not be disappointing? 	must I not have disappointed?
must you not have disappointed?
must he not have disappointed?
must we not have disappointed?
must you not have disappointed?
must they not have disappointed? 	must I not have been disappointing?
must you not have been disappointing?
must he not have been disappointing?
must we not have been disappointing?
must you not have been disappointing?
must they not have been disappointing?