Self-study English Out There SS4 intermediate course (CEFR B2), use with MP3s and social media tools (included). See course overview. 132 pages/2.5Mb. DRM-free PDF.
You should be able to use language to explain or describe things like your job, hobbies or accommodation, with more than single nouns and one or two adjectives. A lack of language to discuss situations of daily life, to make or describe future plans, and to agree and disagree politely, or the use of simple sentences without relative clauses or ‘should, would, could' modal verbs when necessary, also indicate that you should buy the Intermediate course.