The Cambridge International Corpus (CIC) is a collection of over 2 billion words[1] of real spoken and written English .
[2] It contains instances of modern written English, taken from newspapers, magazines, novels, letters, emails, textbooks, websites, and many other sources.
Its spoken data is taken from many sources, including everyday conversations, telephone calls, radio broadcasts, presentations, speeches, meetings, TV programmes and lectures.
[3] The exams currently included are: A unique feature of the Cambridge Learner Corpus is its error coding system.
[6] The project’s aim is to describe what learners know and can do in English at each level of the Common European Framework of Reference (CEFR).
Most people knew they were being recorded, and are chatting in informal situations such as while relaxing at home, with others of fairly equal social status.