In many international English textbooks, "We [can/must/don't have to] buy any tickets" is a classic fill-in-the-blank sentence. It usually appears in a list alongside other mundane household "stories," like: "This is my dad's pen. You lose it". "Little Tim is sleeping. You must not make much noise". 2. The Prisoner of Conscience Story
They are worried about sell-outs and high prices, leading to the frantic question: "Should we buy any tickets now?". we buy any tickets
Depending on your interest, here are three "stories" or contexts for that line: 1. The Grammar Lesson Story In many international English textbooks
The phrase "We buy any tickets" appears most frequently in (specifically those focusing on modal verbs like can , must , and have to ) and occasionally in travel memoirs. we buy any tickets