C2 (6) It is impossible, or almost impossible, to determine if the person has not grown up in an English-speaking country. C1 (5) The English speech is close to perfect The accent is not very present The person's flow is likely to be the same in the person's mother language. The person doesn't need to “look for words”. The English level won't be a limitation during the long meeting. Basically, you can tell that the person hasn't grown up in an English-speaking country, but it is almost flawless. B2 (4) The English speech is good, but it is likely that the person talks quicker and uses more language in their mother language. Some accents can be heard. B1 (3) There is a risk that information gets lost when talking about complex topics or when talking quickly The speech sounds more formal due to the lack of vocabulary - few “filling words” are used to create a flow. The flow is reduced in some sentences, as the person needs to search for words. You can directly notice the accent. A2 (2) The person doesn't have any major problem presenting themself, but it is obvious that the language gets much worse when talking about other topics. The flow is reduced in all sentences, as the person needs to search for words. A thick accent makes it hard to hear what the person is saying. A1 (1) The person's English is really poor. Even when presenting themself, the person needs to search for words. Incorrect grammar can be heard often. Incorrect pronunciation makes it hard to hear what the person is saying.