👉 Ungrammaticality is a grammatical error that occurs when a sentence does not follow the rules of grammar. It can be caused by a lack of proper punctuation, incorrect word order, or a mismatch between the intended meaning and the words used in the sentence. For example, if you write "I have an apple" instead of "I have one apple," this is considered ungrammatical because it does not follow the correct grammatical structure. In English, the correct way to say "