Activities: time phrases, word order, prepositions

What I do and when: inversion in statements with adverbs of time

What others do and when: main clause word order and inversion

What you and others do and when: time phrases as nouns and adverbs

Who does what and when? 'Wann?' and inversion

In and into places: prepositions 'in' and 'auf' (accusative and dative)

Where are you and where are you going? 'In' and 'auf' (accusative and dative)