Do you pay attention to punctuation? If not, you should take a look at this joke XD The most commons ones are listed below

Do you use a lot of adjectives to describe things? If you do, then you need to make sure it is in the right order.

Students are often confused with similar words such as also, too, either, and as well. Learn about how to use these words correctly.

Don't know what RSVP, OOO, FYI mean? The 20 most commonly used acronyms in Business English! Understand your emails!

Linking words are important in writing. How you can connect two ideas together. This can help improve your writing skills and level.