An irregular verb is one that does not form its simple past tense or its past participle by adding "-ed" or "-d" to the base form. Irregular verbs contrast with regular verbs, which form the simple past tense and past participle by adding "-ed" or "-d."
He was known for his writing skills.
Answer: D. Understatement of the ideas
Explanation:
If your giving a speech you should make sure you use the perfect statement for your ideas :)
