Complex sentence: The Canadian Corps operation was to be executed in a series of three limited attacks, at intervals of three or more days, on 26 October, 30 October and 6 November.
Split into simpler sentences: The Canadian Corps operation was to be executed in a series of three attacks each with limited objectives, delivered at intervals of three or more days. The dates of the phases were tentatively given as 26 October, 30 October and 6 November.