Here's the breakdown:
* Basic Form: "Regret" is the base form of the word, acting as a noun or a verb.
* Suffixes: Suffixes are word parts added to the end of a word to change its meaning or grammatical function.
Adding Suffixes to "Regret":
* -ful (adjective): "Regretful" means feeling or showing regret. Example: "He was regretful about his hasty decision."
* -tably (adverb): "Regrettably" means unfortunately or sadly. Example: "Regrettably, the event was cancelled due to bad weather."
* -ted (verb): "Regretted" is the past tense and past participle of "regret." Example: "She regretted not taking the job offer."
* -ing (verb): "Regretting" is the present participle of "regret." Example: "He was regretting his words."
Other Considerations:
* -able (adjective): While you might think "regretable" is a word, it's not commonly used.
* -er (noun): This suffix is not commonly used with "regret" to indicate a person who regrets something.
Remember, the choice of suffix depends on the specific meaning and grammatical function you want to express.