Today's Web lesson!
Conjunctions
A conjunction is any word or group of words, other than a relative pronoun, that connects words, phrases, or clauses.
eg. He shut the door and switched off the light.
1) And-But-Or
2) Conjunctions - so, but, or, and.
http://www.oocities.org/Athens/Delphi/1979/grammar/sobutorand.html
3) Here's a tough quiz for you!