If I could just come right in here one more time. If the interrupters succeed in drowning out the speakers, they then take the speakers' part in the next two lines, while the speakers must try to interrupt, and so on. Next, I made the chant itself less interactive, but chose a conversational function in which the choice of phrase was slightly more context-dependent. Where've you been, where'd you go, tell me 'bout your holiday. B. Stayed at home, stayed in bed, all the family stayed away.
Greetings are, of course, among the most stereotyped of exchanges.
For one thing, we have three very different types of questions here, easily distinguishable in their grammar and their intention. Clearly A is a person who knows something about B in each case, and is demonstrating polite concern for B without prying into details. A vague adverb or adjective will do. Questions in perfectives and past tenses often refer to recent activities, and are answerable by statements in the past tense. Present-tense questions, on the other hand, are questions about current activities, and need to be answered by noun phrases, verbal nouns, and, of course, present tenses.