I must groove you must groove he must groove we must groove you must groove they must groove
Forme en V-ing
I must be grooving you must be grooving he must be grooving we must be grooving you must be grooving they must be grooving
Perfect
I must have grooved you must have grooved he must have grooved we must have grooved you must have grooved they must have grooved
Perfect en V-ing
I must have been grooving you must have been grooving he must have been grooving we must have been grooving you must have been grooving they must have been grooving
Négation
Forme simple
I mustn't groove you mustn't groove he mustn't groove we mustn't groove you mustn't groove they mustn't groove
Forme en V-ing
I mustn't be grooving you mustn't be grooving he mustn't be grooving we mustn't be grooving you mustn't be grooving they mustn't be grooving
Perfect
I mustn't have grooved you mustn't have grooved he mustn't have grooved we mustn't have grooved you mustn't have grooved they mustn't have grooved
Perfect en V-ing
I mustn't have been grooving you mustn't have been grooving he mustn't have been grooving we mustn't have been grooving you mustn't have been grooving they mustn't have been grooving
Forme interrogative
Forme simple
must I groove? must you groove? must he groove? must we groove? must you groove? must they groove?
Forme en V-ing
must I be grooving? must you be grooving? must he be grooving? must we be grooving? must you be grooving? must they be grooving?
Perfect
must I have grooved? must you have grooved? must he have grooved? must we have grooved? must you have grooved? must they have grooved?
Perfect en V-ing
must I have been grooving? must you have been grooving? must he have been grooving? must we have been grooving? must you have been grooving? must they have been grooving?
Forme interro-négative
Forme simple
mustn't I groove? mustn't you groove? mustn't he groove? mustn't we groove? mustn't you groove? mustn't they groove?
Forme en V-ing
mustn't I be grooving? mustn't you be grooving? mustn't he be grooving? mustn't we be grooving? mustn't you be grooving? mustn't they be grooving?
Perfect
mustn't I have grooved? mustn't you have grooved? mustn't he have grooved? mustn't we have grooved? mustn't you have grooved? mustn't they have grooved?
Perfect en V-ing
mustn't I have been grooving? mustn't you have been grooving? mustn't he have been grooving? mustn't we have been grooving? mustn't you have been grooving? mustn't they have been grooving?