TOEFL iBT - Secondary Skills
Secondary skills, such as grammar, vocabulary, pronunciation, and spelling, are not tested in separate sections of the TOEFL, but are tested indirectly throughout the exam.
Here are some examples of where and how these secondary skills may prove relevant:
TOEFL Speaking: The six tasks require you to not only understand the question and respond logically, but also to enunciate clearly (pronunciation), use correct sentence structure (grammar) and express your opinions through a rich variety of words and expressions (vocabulary).
TOEFL Writing: The mechanics of writing - grammar, spelling and punctuation – are taken into account when awarding your cumulative writing score.
TOEFL Reading & TOEFL Listening: Your command of vocabulary will assist you in responding to the reading and listening questions. Your knowledge of grammar may be critical to understanding exactly what is being stated.