I did up a quick Half-Life-related mad-libs-style thingy for anyone who is interested. I've always thought these were kinda lame, but hey, I'll give anything a shot once! If you want in, just post a reply replacing the following grammatical terms with your example of such. Y'know, mad libs. Make sure you don't miss any. I'll pick one or a couple after some have come up, then post the results.
noun
adjective
noun
verb
verb
plural noun
noun
noun
verb ending in "s"
verb
plural noun
plural noun
plural noun
noun
verb
active verb
adverb
plural noun
adjective
noun
noun
noun
noun
adjective
noun
noun
noun
active verb
Glossary examples for reference:
Noun: HEV suit, headcrab, scientist, rocket launcher
Plural noun: HEV suits, headcrabs, scientists, rocket launchers
Adjective: cold, long, comfortable, predictable
Adverb: quickly, madly, godly, calmly
Verb: climb, run, swim, shoot
Verb ending in "s": climbs, runs, swims, shoots
Active verb: climbing, running, swimming, shooting