The ACT English Test and the SAT Writing and Language Test assess test-takers in various conventions of standard English, such as punctuation, sentence structure ... who wants to practice proper ...

Getting sentence structure right, is crucial in being able to communicate what you're trying to say in writing. Understanding the role of conjuctions and adjectives in sentence construction.

All major languages have a grammatical structure. What is an adjective ... A verb is the word or words in a sentence that show action, or tell you what the subject of the sentence is doing.