Grafika mająca w tle czcionki drukarskie, zatytułowana Linguistic errors. Na niej napisy: 1. Spelling mistake is an improper notation of the word or a phrase, that is a violation of the following rules: spelling of and the usage of capital and small letters and whether to bond (or not) the prefixes with the root., 2. Punctuation mistakes A punctuation mistake is an omission or unjustified usage of marks such as a comma, dot, semicolon, colon, dash, apostrophe, exclamation mark or question mark., 3. Phonetic mistakes A phonetic mistake is a violation of standards within the scope of pronunciation. Such errors often concern e.g. A. An incorrect pronunciation of nasal vowels. B. Simplification of the group of consonants. C. A wrong accent, 4. Inflectional mistakes An inflectional mistake is connected with: A. A choice of an inappropriate word form.B. A wrong inflection or inappropriate choice of the suffix.C. An inflection of the uninflected form. D. Non-inflection of an inflected form. E. Disregard for the consonant change., 5. Word formation mistakes A word formation mistake is an inappropriate choice of a prefix or suffix., 6. Syntactic mistakes A syntactic mistake is an incorrect bonding of words in an utterance, that is: A. A violation of the object-verb agreement. B. A wrong formation of the object-verb agreement. C. An inappropriate usage of participle sentence fragment. D. The usage of an inappropriate preposition., 7. Intralingual mistakes A cohesion mistake occurs, when there is no relationship between singe utterances. It is often seen in the lack of a linking mark such as a pronoun. Often the sentences lack also in a repetition of the subject from the previous sentence, even in a form of a synonym., 8. Dictionary mistakes A dictionary (lexical) mistake is a violation of the standards in the scope of the lexicon. Such errors often concern: A. Usage of a word in an incorrect context. B. The usage of a construction where both components have the same meaning so that one of them can be omitted. C. Over-usage of fashionable words, including foreign words, which has its equivalents in the Polish language. D. Giving words new meanings. Such a mechanism often evokes from copying the habits characteristic for foreign languages., 9. Idiomatic mistakes An idiomatic mistake is an incorrect usage of a set, idiomatic expression. The reason is often the unfamiliarity with the meaning of the idiom. A violation of the phrasal standards is also an effect of the lack of knowledge of the form of the set expression., 10. Stylistic mistakes A stylistic mistake is an inappropriate usage of linguistic measures in a certain communication situation - to put it in other words, the reasons include the non-conformity of the grammatical forms and linguistic measures to the function of the utterance and the character of the receiver. Usually it's an effect of adding the elements of a colloquial speech in official situations, or using speech patterns (set expressions) characteristic for the official style in an informal context. Stylistic mistakes are the evidence for not efficient language skills of the speaker.