There are some folks out there who love learning about grammar for the sake and satisfaction of just getting it right. Other people can’t be bothered, or have a hard time making the rules stick ...

More recently it has come to be included in writing the grammar of a language ... We thus get the following related forms: The rules of English morphology apply to the singular and the plural forms ...

Aim to be clear and precise in your writing and avoid writing in the way you would speak to friends. If possible, read your work aloud to check for sense, tense and appropriate tone.