Complex sentence: Between British attacks, the divisions were to make more spoiling attacks and from the Germans attacked and counter-attacked at least On 1 October, BEF military intelligence predicted the German tactical changes and foresaw the "Gegenangriff" planned for 4 October.
Split into simpler sentences: Between British attacks, the divisions were to make more spoiling attacks. From the Germans attacked and counter-attacked at least BEF military intelligence predicted the German changes on 1 October and foresaw the big German counter-attack planned for 4 October.