must pickaback
Verbo regular: pickaback - pickabacked- pickabacked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must pickaback
you must pickaback
she must pickaback
we must pickaback
you must pickaback
they must pickaback 	I must be pickabacking
you must be pickabacking
she must be pickabacking
we must be pickabacking
you must be pickabacking
they must be pickabacking	I must have pickabacked
you must have pickabacked
she 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
she must have been pickabacking
we must have been pickabacking
you must have been pickabacking
they must have been pickabacking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not pickaback
you must not pickaback
she must not pickaback
we must not pickaback
you must not pickaback
they must not pickaback 	I must not be pickabacking
you must not be pickabacking
she must not be pickabacking
we must not be pickabacking
you must not be pickabacking
they must not be pickabacking	I must not have pickabacked
you must not have pickabacked
she must not have pickabacked
we must not have pickabacked
you must not have pickabacked
they must not have pickabacked	I must not have been pickabacking
you must not have been pickabacking
she must not have been pickabacking
we must not have been pickabacking
you must not have been pickabacking
they must not have been pickabacking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I pickaback?
must you pickaback?
must she pickaback?
must we pickaback?
must you pickaback?
must they pickaback? 	must I be pickabacking?
must you be pickabacking?
must she be pickabacking?
must we be pickabacking?
must you be pickabacking?
must they be pickabacking? 	must I have pickabacked?
must you have pickabacked?
must she 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 she have been pickabacking?
must we have been pickabacking?
must you have been pickabacking?
must they have been pickabacking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not pickaback?
must you not pickaback?
must she not pickaback?
must we not pickaback?
must you not pickaback?
must they not pickaback? 	must I not be pickabacking?
must you not be pickabacking?
must she not be pickabacking?
must we not be pickabacking?
must you not be pickabacking?
must they not be pickabacking? 	must I not have pickabacked?
must you not have pickabacked?
must she not have pickabacked?
must we not have pickabacked?
must you not have pickabacked?
must they not have pickabacked? 	must I not have been pickabacking?
must you not have been pickabacking?
must she not have been pickabacking?
must we not have been pickabacking?
must you not have been pickabacking?
must they not have been pickabacking?