When you said “modern breviary” I assumed you meant Liturgy of the Hours. All three are recent additions (post-1970) to the calendar and as such do not have proper antiphons. Moreover they are not in the 1962 Breviary. Someone familiar with that breviary could tell you how to celebrate them, but they would not have proper antiphons there either because they are so new, so would have to be celebrated from the Common.
For the current LOTH you need to know the class of the celebration.
Our Lady of Fatima: optional memorial
Mary, Mother of the Church: obligatory memorial
Our Lady of Guadalupe: optional memorial, except in N. America, feast.
For optional and obligatory memorials without proper antiphons, the psalmody of the day is always used. By that I mean, if the memorial falls Tuesday of week III, you use the psalms of Tuesday of week III.
For feasts, the festival psalter is used, with the antiphons from the Common of the BVM.
The classification of feasts is different in the 1962 breviary, but being optional/obligatory memorials in the LOTH they are likely the lowest class (except for Guadalupe in N. America), which I believe is a memorial.
In the LOTH, you would take the following from the common for optional and obligatory memorials: the hymn, the reading, the responsory, the Gospel canticle antiphon, the intercessions, and the collect. The psalmody would be as I indicated, from the day. The BVM is no different, her memorials, feasts and solemnities follow the same structure as for all the other saints.
My suggestion is as usual, for users of the LOTH, to become familiar with the General Instruction. You can find it on line, or also in the first volume of the 4-volume set, or at the beginning of Christian Prayer (for those using English).
But I thought that celebrations for the Blessed Virgin Mary were considered more important, and, for such celebrations, the Common psalms for Mary (not for the current day) were preferred.
No, her celebrations follow the same rules. Her “specialness” is indicated by the sheer number of solemnities, feasts and memorials she has. Most saints have only one day dedicated to them in the General Roman Calendar. One (St. John the Baptist) has two, and there are a couple dedicated to Saints Peter and Paul. But Mary takes the prize. A quick count in my monastic breviary gave something like 15 celebrations of the BVM throughout the year.