Complex sentence: Between 2002 and 2007 all but three of the Class 17Es were rebuilt to Class 18E, Series 1, with the exceptions being numbers E1778, E1803 and E2035 which are presumed to have been scrapped.
Split into simpler sentences: Between 2002 and 2007 all but three of the Class 17Es were rebuilt to Class 18E, Series 1. The exceptions are numbers E1778, E1803 and E2035 which are presumed to have been scrapped.