https://docs.google.com/presentation/d/1CsBHDzI29kPgLFi39j8Cwy6iMfGwASoUAk1fMMrBhjU/edit?usp=sharing
Slideshow uses 10 verbs that 1st years should be familiar with and introduces 'happen' (起こっている)with a translation in the title slide. There's no particular order to the questions and all are at the same level. Feel free to copy and change the slideshow as you need!
very useful