There is little variance in the first three days of Holy Week.
Feria II
Gospel: Jn 12:1-36 [longer than the Roman pericope]
Feria III
Epistle: Sap 2:12-22
Feria IV
Secret:
Purifica nos misericors Deus: ut Ecclesiae tuae preces, quae tibi gratiae sunt, pia munera deferentes, fiant expiati mentibus gratiores.
Purify us merciful God, that the prayers of thy Church, which are beloved to thee, may be made expiatory by our offering of pious gifts with minds more pleasing to thee.
Alma Bracarense 