must pickaback
Verbo regular: pickaback - pickabacked- pickabacked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must pickaback
you must pickaback
he must pickaback
we must pickaback
you must pickaback
they must pickaback 	I must be pickabacking
you must be pickabacking
he must be pickabacking
we must be pickabacking
you must be pickabacking
they must be pickabacking	I must have pickabacked
you must have pickabacked
he must have pickabacked
we must have pickabacked
you must have pickabacked
they must have pickabacked	I must have been pickabacking
you must have been pickabacking
he must have been pickabacking
we must have been pickabacking
you must have been pickabacking
they must have been pickabacking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't pickaback
you mustn't pickaback
he mustn't pickaback
we mustn't pickaback
you mustn't pickaback
they mustn't pickaback 	I mustn't be pickabacking
you mustn't be pickabacking
he mustn't be pickabacking
we mustn't be pickabacking
you mustn't be pickabacking
they mustn't be pickabacking	I mustn't have pickabacked
you mustn't have pickabacked
he mustn't have pickabacked
we mustn't have pickabacked
you mustn't have pickabacked
they mustn't have pickabacked	I mustn't have been pickabacking
you mustn't have been pickabacking
he mustn't have been pickabacking
we mustn't have been pickabacking
you mustn't have been pickabacking
they mustn't have been pickabacking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I pickaback?
must you pickaback?
must he pickaback?
must we pickaback?
must you pickaback?
must they pickaback? 	must I be pickabacking?
must you be pickabacking?
must he be pickabacking?
must we be pickabacking?
must you be pickabacking?
must they be pickabacking? 	must I have pickabacked?
must you have pickabacked?
must he have pickabacked?
must we have pickabacked?
must you have pickabacked?
must they have pickabacked? 	must I have been pickabacking?
must you have been pickabacking?
must he have been pickabacking?
must we have been pickabacking?
must you have been pickabacking?
must they have been pickabacking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I pickaback?
mustn't you pickaback?
mustn't he pickaback?
mustn't we pickaback?
mustn't you pickaback?
mustn't they pickaback? 	mustn't I be pickabacking?
mustn't you be pickabacking?
mustn't he be pickabacking?
mustn't we be pickabacking?
mustn't you be pickabacking?
mustn't they be pickabacking? 	mustn't I have pickabacked?
mustn't you have pickabacked?
mustn't he have pickabacked?
mustn't we have pickabacked?
mustn't you have pickabacked?
mustn't they have pickabacked? 	mustn't I have been pickabacking?
mustn't you have been pickabacking?
mustn't he have been pickabacking?
mustn't we have been pickabacking?
mustn't you have been pickabacking?
mustn't they have been pickabacking?