Complex sentence: The present-day St Mary's Quad, or third quadrangle, of Oriel occupies three ranges of the former buildings of the Hall, while the Principal's house was demolished for the construction of the Rhodes Building, designed by Basil Champneys and completed in 1911.
Split into simpler sentences: The present-day St Mary's Quad, or third quadrangle, of Oriel occupy three ranges of the former buildings of the Hall. The Principal's house was demolished in the construction of the Rhodes Building, designed by Basil Champneys, completed in 1911.