Verbe régulier : begin begin - begin begined - begin begined
Attention, ce verbe peut ne pas exister, la conjugaison est donnée à titre d'exemple.
Affirmation
Forme simple
I must begin begin you must begin begin he must begin begin we must begin begin you must begin begin they must begin begin
Forme en V-ing
I must be begin begining you must be begin begining he must be begin begining we must be begin begining you must be begin begining they must be begin begining
Perfect
I must have begin begined you must have begin begined he must have begin begined we must have begin begined you must have begin begined they must have begin begined
Perfect en V-ing
I must have been begin begining you must have been begin begining he must have been begin begining we must have been begin begining you must have been begin begining they must have been begin begining
Négation
Forme simple
I mustn't begin begin you mustn't begin begin he mustn't begin begin we mustn't begin begin you mustn't begin begin they mustn't begin begin
Forme en V-ing
I mustn't be begin begining you mustn't be begin begining he mustn't be begin begining we mustn't be begin begining you mustn't be begin begining they mustn't be begin begining
Perfect
I mustn't have begin begined you mustn't have begin begined he mustn't have begin begined we mustn't have begin begined you mustn't have begin begined they mustn't have begin begined
Perfect en V-ing
I mustn't have been begin begining you mustn't have been begin begining he mustn't have been begin begining we mustn't have been begin begining you mustn't have been begin begining they mustn't have been begin begining
Forme interrogative
Forme simple
must I begin begin? must you begin begin? must he begin begin? must we begin begin? must you begin begin? must they begin begin?
Forme en V-ing
must I be begin begining? must you be begin begining? must he be begin begining? must we be begin begining? must you be begin begining? must they be begin begining?
Perfect
must I have begin begined? must you have begin begined? must he have begin begined? must we have begin begined? must you have begin begined? must they have begin begined?
Perfect en V-ing
must I have been begin begining? must you have been begin begining? must he have been begin begining? must we have been begin begining? must you have been begin begining? must they have been begin begining?
Forme interro-négative
Forme simple
mustn't I begin begin? mustn't you begin begin? mustn't he begin begin? mustn't we begin begin? mustn't you begin begin? mustn't they begin begin?
Forme en V-ing
mustn't I be begin begining? mustn't you be begin begining? mustn't he be begin begining? mustn't we be begin begining? mustn't you be begin begining? mustn't they be begin begining?
Perfect
mustn't I have begin begined? mustn't you have begin begined? mustn't he have begin begined? mustn't we have begin begined? mustn't you have begin begined? mustn't they have begin begined?
Perfect en V-ing
mustn't I have been begin begining? mustn't you have been begin begining? mustn't he have been begin begining? mustn't we have been begin begining? mustn't you have been begin begining? mustn't they have been begin begining?