Plurals take many (sometimes curious or counterintuitive) forms. Here is an outline of how to form various types of plurals according to the word form or ending: For words ending in: nonsibilant, or voiceless, consonants: add -s ( dogs ). identical singular and plural forms ( deer, spacecraft ). vowels: add -s ( knees ).

Stand-up : A form of comedy delivery in which a comic entertains an audience with jokes and humorous stories. Original Post: 20 Types and Forms of Humor. Humor comes in many flavors, any of which may appeal to one person but not to another, and which may be enjoyed in alternation or in combination. Not all irony is humorous, however.).