hello!
I use proper grammar (apostrophes, commas) except for bothering with capital letters at the beginning of sentences, and fullstops at the end of a line... mostly.
To guise test me ask about acronyms. They are all linked:
They are all to do with my job :)
If they are not commonly known, a competent guiser will make up an answer and get away with it. At this point, you will be "proven" to not be guised, at which point everyone will stop paying attention to how you type, talk, and interact (ie - the things that ordinarily make up the skill in guising and catching guisers). If the answers to your questions are commonly known, then the same applies to anyone who has heard them before. The only effective "guise tests" are random questions that provoke a reaction out of you from people that know you. Again, this is identifying the player from how they act. Attempting to break the guiser role is both silly and ineffective.