I must pickaback you must pickaback she must pickaback we must pickaback you must pickaback they must pickaback
Forme en V-ing
I must be pickabacking you must be pickabacking she must be pickabacking we must be pickabacking you must be pickabacking they must be pickabacking
Perfect
I must have pickabacked you must have pickabacked she must have pickabacked we must have pickabacked you must have pickabacked they must have pickabacked
Perfect en V-ing
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
Négation
Forme simple
I mustn't pickaback you mustn't pickaback she mustn't pickaback we mustn't pickaback you mustn't pickaback they mustn't pickaback
Forme en V-ing
I mustn't be pickabacking you mustn't be pickabacking she mustn't be pickabacking we mustn't be pickabacking you mustn't be pickabacking they mustn't be pickabacking
Perfect
I mustn't have pickabacked you mustn't have pickabacked she mustn't have pickabacked we mustn't have pickabacked you mustn't have pickabacked they mustn't have pickabacked
Perfect en V-ing
I mustn't have been pickabacking you mustn't have been pickabacking she mustn't have been pickabacking we mustn't have been pickabacking you mustn't have been pickabacking they mustn't have been pickabacking
Forme interrogative
Forme simple
must I pickaback? must you pickaback? must she pickaback? must we pickaback? must you pickaback? must they pickaback?
Forme en V-ing
must I be pickabacking? must you be pickabacking? must she be pickabacking? must we be pickabacking? must you be pickabacking? must they be pickabacking?
Perfect
must I have pickabacked? must you have pickabacked? must she have pickabacked? must we have pickabacked? must you have pickabacked? must they have pickabacked?
Perfect en V-ing
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?
Forme interro-négative
Forme simple
mustn't I pickaback? mustn't you pickaback? mustn't she pickaback? mustn't we pickaback? mustn't you pickaback? mustn't they pickaback?
Forme en V-ing
mustn't I be pickabacking? mustn't you be pickabacking? mustn't she be pickabacking? mustn't we be pickabacking? mustn't you be pickabacking? mustn't they be pickabacking?
Perfect
mustn't I have pickabacked? mustn't you have pickabacked? mustn't she have pickabacked? mustn't we have pickabacked? mustn't you have pickabacked? mustn't they have pickabacked?
Perfect en V-ing
mustn't I have been pickabacking? mustn't you have been pickabacking? mustn't she have been pickabacking? mustn't we have been pickabacking? mustn't you have been pickabacking? mustn't they have been pickabacking?