Checking vowels in roots and identifying dictionary words with uncheckable spellings. Grading Criteria (Standard FGOS)
3 to 5 spelling errors. In some cases, 5 spelling and 4 punctuation errors are allowed if some are "non-grave" (e.g., repeated letters or minor transposition). "2" (Unsatisfactory): More than 5-7 spelling errors. нормы оценок
Use of "ь" after sibilants in verbs (2nd person singular) and nouns.