When you get an essay back, look closely to see if there are comments about grammar, comments like comma splice, or sentence fragment. Then come here to see how to correct those mistakes ... which is ...

Each Student's Book includes an activation code for Online Practice (Digital ... they learn to identify and correct the most common errors made by English language learners. Concrete and useful points ...

Not only does using the correct form show attention to detail ... Being mindful of these common grammar mistakes can enhance ...