Question must be answered based on the following aspects.

Language consists of grammaticalised lexis, not lexicalised grammar.

Adapted from: LEWIS, M. The Lexical Approach: The State of ELT and a Way Forward, London: Commercial Colour Press. 1993.

Michael Lewis contends that English teaching should prioritize the learning of lexical groups, such as collocations and language chunks, rather than focusing on the grammar/vocabulary dichotomy. Taking these aspects into consideration, it can be said that the language chunk 'have a slouch' was correctly used in: