Complex sentence: She attended the local grammar school and trained at Bristol's Old Vic Drama School before making her film debut in Carol Reed's "The Young Mr Pitt" (1942), in which she had two lines as a maid opposite Robert Donat.
Split into simpler sentences: She attended the local grammar school and trained at Bristol's Old Vic Drama School. She made her film debut in Carol Reed's "The Young Mr Pitt" (1942), in which she had two lines as a maid opposite Robert Donat.