what is the short form of had better?

P.E.is the short form of physical e. What is the abbrivation form of adjective? What is the plural form of cat? What is the abbrivation form of adverb? what is had better? What is the short of "block"? 英语翻译The USA is the short form of the United States of Americ What is the conception of every form of business? 英语翻译Pop is the short form of the word "popular".The pop revo The actual situation is better than what economists had expe What is the meaning of"Better city better life"? what letter is a form of the verb "to be"