Conjugaison du verbe anglais
MUST COUNTERSINK

Verbe irrégulier : countersink - countersank - countersunk

Affirmation

Forme simple	Forme en V-ing
I must countersink you must countersink he must countersink we must countersink you must countersink they must countersink	I must be countersinking you must be countersinking he must be countersinking we must be countersinking you must be countersinking they must be countersinking
Perfect	Perfect en V-ing
I must have countersunk you must have countersunk he must have countersunk we must have countersunk you must have countersunk they must have countersunk	I must have been countersinking you must have been countersinking he must have been countersinking we must have been countersinking you must have been countersinking they must have been countersinking

Négation

Forme simple	Forme en V-ing
I mustn't countersink you mustn't countersink he mustn't countersink we mustn't countersink you mustn't countersink they mustn't countersink	I mustn't be countersinking you mustn't be countersinking he mustn't be countersinking we mustn't be countersinking you mustn't be countersinking they mustn't be countersinking
Perfect	Perfect en V-ing
I mustn't have countersunk you mustn't have countersunk he mustn't have countersunk we mustn't have countersunk you mustn't have countersunk they mustn't have countersunk	I mustn't have been countersinking you mustn't have been countersinking he mustn't have been countersinking we mustn't have been countersinking you mustn't have been countersinking they mustn't have been countersinking

Forme interrogative

Forme simple	Forme en V-ing
must I countersink? must you countersink? must he countersink? must we countersink? must you countersink? must they countersink?	must I be countersinking? must you be countersinking? must he be countersinking? must we be countersinking? must you be countersinking? must they be countersinking?
Perfect	Perfect en V-ing
must I have countersunk? must you have countersunk? must he have countersunk? must we have countersunk? must you have countersunk? must they have countersunk?	must I have been countersinking? must you have been countersinking? must he have been countersinking? must we have been countersinking? must you have been countersinking? must they have been countersinking?

Forme interro-négative

Forme simple	Forme en V-ing
mustn't I countersink? mustn't you countersink? mustn't he countersink? mustn't we countersink? mustn't you countersink? mustn't they countersink?	mustn't I be countersinking? mustn't you be countersinking? mustn't he be countersinking? mustn't we be countersinking? mustn't you be countersinking? mustn't they be countersinking?
Perfect	Perfect en V-ing
mustn't I have countersunk? mustn't you have countersunk? mustn't he have countersunk? mustn't we have countersunk? mustn't you have countersunk? mustn't they have countersunk?	mustn't I have been countersinking? mustn't you have been countersinking? mustn't he have been countersinking? mustn't we have been countersinking? mustn't you have been countersinking? mustn't they have been countersinking?