There are tons of prayers you can pray – it all depends on you (and your girlfriend). You can pray “standard” ones like the Our Father, Hail Mary, Glory Be, etc. You can pray the Rosary and/or the chaplet of Divine Mercy, or you can just pray “spontaneously” together.
If you want specific prayers for specific things (healing of sickness, for strength in adversity, for peace, for joy, etc.) I’d suggest doing a search – you’ll come up with a lot. Also, the following links are great (lots of prayers listed):
Remember, the important thing is that you and your girlfriend are praying together to God. Prayer is a conversation between us and God…so it can be fancy or plain, as long as it’s sincere.
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