Westburg, AnikaHenning, Peter A.Striewe, MichaelWölfel, Matthias2022-08-232022-08-232022978-3-88579-716-6https://dl.gi.de/handle/20.500.12116/38860This paper presents an extended version of the CL-Taskbox introduced at DELFI 2019. The e-learning tool for the so-called parsing-as-deduction approach has been expanded with the generation of random tasks of several difficulty levels. Additional to aiding the learner in solving the tasks by providing constant visual feedback, a new feature that allows to draw freehand directly on the page aims at teachers who use the tool for explanations.encomputational linguisticse-Learningcontext-free grammarformal grammarparsingText/Conference Paper10.18420/delfi2022-0571617-5468