Compare the different English speech accents.
That´s a very scientific approach. Audio + Text.
Browse by atlas/regions
Georg Mason University
The Speech Accent Archive, Huge Database
http://accent.gmu.edu
The Audio Archive, Audio/Text
http://alt-usage-english.org/audio_archive.shtml
BORED ???
Answer These Questions. NOW !
http://iteslj.org/questions/
Sentence Diagrams
http://www.geocities.com/gene_moutoux/diagrams.htm