Writing and editing resources
If it seems difficult to keep track of all of the rules of language, you're right. Every day new words, meanings and usages are introduced as our language continues to evolve.
What was a standard when you were a student may be substandard today.
Fortunately, there's help. Language professionals study changes in English and keep track of the most current and appropriate uses, and they put their findings in style guides and dictionaries.
Here are a few quality guides and resources to help you communicate more clearly and consistently: