Verbo irregular: countersink - countersank - countersunk
Afirmación
Forma simple
I must countersink you must countersink he must countersink we must countersink you must countersink they must countersink
Forma con V-ing
I must be countersinking you must be countersinking he must be countersinking we must be countersinking you must be countersinking they must be countersinking
Perfecto
I must have countersunk you must have countersunk he must have countersunk we must have countersunk you must have countersunk they must have countersunk
Perfecto con V-ing
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
Negación
Forma simple
I must not countersink you must not countersink he must not countersink we must not countersink you must not countersink they must not countersink
Forma con V-ing
I must not be countersinking you must not be countersinking he must not be countersinking we must not be countersinking you must not be countersinking they must not be countersinking
Perfecto
I must not have countersunk you must not have countersunk he must not have countersunk we must not have countersunk you must not have countersunk they must not have countersunk
Perfecto con V-ing
I must not have been countersinking you must not have been countersinking he must not have been countersinking we must not have been countersinking you must not have been countersinking they must not have been countersinking
Forma interrogativa
Forma simple
must I countersink? must you countersink? must he countersink? must we countersink? must you countersink? must they countersink?
Forma con V-ing
must I be countersinking? must you be countersinking? must he be countersinking? must we be countersinking? must you be countersinking? must they be countersinking?
Perfecto
must I have countersunk? must you have countersunk? must he have countersunk? must we have countersunk? must you have countersunk? must they have countersunk?
Perfecto con V-ing
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?
Forma interro-negativa
Forma simple
must I not countersink? must you not countersink? must he not countersink? must we not countersink? must you not countersink? must they not countersink?
Forma con V-ing
must I not be countersinking? must you not be countersinking? must he not be countersinking? must we not be countersinking? must you not be countersinking? must they not be countersinking?
Perfecto
must I not have countersunk? must you not have countersunk? must he not have countersunk? must we not have countersunk? must you not have countersunk? must they not have countersunk?
Perfecto con V-ing
must I not have been countersinking? must you not have been countersinking? must he not have been countersinking? must we not have been countersinking? must you not have been countersinking? must they not have been countersinking?