Complex sentence: On 27 July every British gun available fired on the wood and village from as infantry patrols were sent forward through a German counter-bombardment to study the effect of the british fire, finding "a horrible scene of chaos and destruction".
Split into simpler sentences: On 27 July every British gun in range, fired on the wood and village from as infantry patrols were sent forward through a German counter-bombardment, to study the effect of the british fire. The patrols found "a horrible scene of chaos and destruction".