A complex sentence is a sentence consisting of an independent clause and a subordinating clause. Or, to put it more simply, complex sentences involve more than just a straightforward noun + verb. Complex sentences include extra phrases added to a base sentence, but which cannot stand alone as a sentence. For example:
Published 4:00 am, Thursday, January 9, 1997. 1997-01-09 04:00:00 PDT Yosemite National Park -- Yosemite Valley is slowly drying out after what park rangers are calling the worst flood here in recorded history, leaving behind hundreds of upturned tent-cabins and acres of wrecked camping sites.
Water Activities. Besides the outdoor pools available to the public during summer at Half Dome Village (formerly Curry Village) and Yosemite Valley Lodge (formerly Yosemite Lodge), swimming is generally permitted in all bodies of water in the park. There are some exceptions, however, where swimming is prohibited: