YOU SAID:
1週間 (を) 3回 () 彼女に 電話を かります。
INTO JAPANESE
1週間 (を) 3回 () 彼女に 電話を かります。
BACK INTO ENGLISH
I call her three times a week.
INTO JAPANESE
私は週に3回彼女に電話します。
BACK INTO ENGLISH
I call her three times a week.
That didn't even make that much sense in English.