Complex sentence: In operation Beit ol-Moqaddas, Tajalaei was the deputy commander of Ashoora brigade.this operation was performed in four steps.and Khorramshahr was librated in this operation.
Split into simpler sentences: In Operation Beit ol-Moqaddas, Tajalaei was the deputy commander of Ashoora brigade. This operation was performed in four steps, and Khorramshahr was liberated in this operation.