The video tutorial introduces the JLPT N4 grammar pattern 'Somethingつもりです', used to express plans or intentions. The instructor explains the pattern's structure, which involves using the dictionary form or negative form of a verb followed by 'つもりです'. Examples are provided to illustrate how to use the pattern for both positive and negative plans, such as planning to watch a movie with friends or deciding not to attend an event. The lesson emphasizes the versatility of the pattern in discussing personal plans.

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