1)
What is the tense of "Ravta" and "Ga'alta?
1.
Rav Sadya Gaon: They are commands written in past tense.
2.
Rashi: They are past tense; this was in days that passed. Ibn Ezra - what I feuded, You feuded for me. Ri Kara - You always used to wage the battles of my Nefesh.
2)
What is the meaning of "Ga'alta Chayai"?
1.
Ri Kara: An example is in Egypt - "v'Ga'alti Eschem bi'Zero'a Netuyah" (Shemos 6:6).
2.
Palgei Mayim: This refers to saving Daniel; the lions ate the enemies.