must flub
Verbo regular: flub - flubed- flubed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must flub
you must flub
she must flub
we must flub
you must flub
they must flub 	I must be flubing
you must be flubing
she must be flubing
we must be flubing
you must be flubing
they must be flubing	I must have flubed
you must have flubed
she must have flubed
we must have flubed
you must have flubed
they must have flubed	I must have been flubing
you must have been flubing
she must have been flubing
we must have been flubing
you must have been flubing
they must have been flubing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not flub
you must not flub
she must not flub
we must not flub
you must not flub
they must not flub 	I must not be flubing
you must not be flubing
she must not be flubing
we must not be flubing
you must not be flubing
they must not be flubing	I must not have flubed
you must not have flubed
she must not have flubed
we must not have flubed
you must not have flubed
they must not have flubed	I must not have been flubing
you must not have been flubing
she must not have been flubing
we must not have been flubing
you must not have been flubing
they must not have been flubing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I flub?
must you flub?
must she flub?
must we flub?
must you flub?
must they flub? 	must I be flubing?
must you be flubing?
must she be flubing?
must we be flubing?
must you be flubing?
must they be flubing? 	must I have flubed?
must you have flubed?
must she have flubed?
must we have flubed?
must you have flubed?
must they have flubed? 	must I have been flubing?
must you have been flubing?
must she have been flubing?
must we have been flubing?
must you have been flubing?
must they have been flubing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not flub?
must you not flub?
must she not flub?
must we not flub?
must you not flub?
must they not flub? 	must I not be flubing?
must you not be flubing?
must she not be flubing?
must we not be flubing?
must you not be flubing?
must they not be flubing? 	must I not have flubed?
must you not have flubed?
must she not have flubed?
must we not have flubed?
must you not have flubed?
must they not have flubed? 	must I not have been flubing?
must you not have been flubing?
must she not have been flubing?
must we not have been flubing?
must you not have been flubing?
must they not have been flubing?