Kun je me helpen met de afwas? (Can you help me with the dishes?)
helpen takes "met / bij" (helpen met / bij = to help with). Example: Kun je me helpen met de afwas? (Can you help me with the dishes?)
Kun je me helpen met de afwas? — Can you help me with the dishes? The preposition met / bij is fixed, so it doesn't change with the sentence.
Fixed prepositions come up all over the A2 exam. The platform drills them in real exam tasks, AI-graded across all five DUO sections.