must tailspin
Verbo regular: tailspin - tailspined- tailspined

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must tailspin
you must tailspin
he must tailspin
we must tailspin
you must tailspin
they must tailspin 	I must be tailspining
you must be tailspining
he must be tailspining
we must be tailspining
you must be tailspining
they must be tailspining	I must have tailspined
you must have tailspined
he must have tailspined
we must have tailspined
you must have tailspined
they must have tailspined	I must have been tailspining
you must have been tailspining
he must have been tailspining
we must have been tailspining
you must have been tailspining
they must have been tailspining	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not tailspin
you must not tailspin
he must not tailspin
we must not tailspin
you must not tailspin
they must not tailspin 	I must not be tailspining
you must not be tailspining
he must not be tailspining
we must not be tailspining
you must not be tailspining
they must not be tailspining	I must not have tailspined
you must not have tailspined
he must not have tailspined
we must not have tailspined
you must not have tailspined
they must not have tailspined	I must not have been tailspining
you must not have been tailspining
he must not have been tailspining
we must not have been tailspining
you must not have been tailspining
they must not have been tailspining	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I tailspin?
must you tailspin?
must he tailspin?
must we tailspin?
must you tailspin?
must they tailspin? 	must I be tailspining?
must you be tailspining?
must he be tailspining?
must we be tailspining?
must you be tailspining?
must they be tailspining? 	must I have tailspined?
must you have tailspined?
must he have tailspined?
must we have tailspined?
must you have tailspined?
must they have tailspined? 	must I have been tailspining?
must you have been tailspining?
must he have been tailspining?
must we have been tailspining?
must you have been tailspining?
must they have been tailspining? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not tailspin?
must you not tailspin?
must he not tailspin?
must we not tailspin?
must you not tailspin?
must they not tailspin? 	must I not be tailspining?
must you not be tailspining?
must he not be tailspining?
must we not be tailspining?
must you not be tailspining?
must they not be tailspining? 	must I not have tailspined?
must you not have tailspined?
must he not have tailspined?
must we not have tailspined?
must you not have tailspined?
must they not have tailspined? 	must I not have been tailspining?
must you not have been tailspining?
must he not have been tailspining?
must we not have been tailspining?
must you not have been tailspining?
must they not have been tailspining?