11 The forms of the adjective  buono  (good), when used before a singular noun, change in the same way as the inde fi nite article: Unit 3 21 * Nowadays the form  buona  is preferred to  buon’ . Note that when  buono  comes  after  the noun, the full form is used:  questo libro è buono ,  il ca ff è è buono , etc. 12 The adjective  grande  (big/great), when used before the noun, may change to the invariable form  gran  or, in some expressions, to  grand’ ; nowadays, the full form,  grande , is preferred in most cases: Note that before  plural  nouns,  grande  is regular:  grandi musicisti ,  grandi case , etc. Note also that when  grande  comes  after  the noun, the full form is always used:  quel  fi lm è grande ,  la casa è grande , etc. 13 The adjective  santo  (saint) is another that has di ff erent forms when used before a noun: santo  is only used before masculine names starting with  s  + consonant; san  is used before masculine names starting with a consonant (other than s  + consonant); sant’  is used before masculine or feminine names starting with a vowel; santa  is used before feminine names starting with a consonant: grande musicista grande  fi lm grande casa grande amico grande idea [sometimes]  grande uomo gran musicista gran  fi lm gran casa Gran Bretagna [sometimes]  grand’amico / gran amico [sometimes]  grand’idea / gran idea grand’uomo great musician great  fi lm big house Great Britain great friend great idea great man buon libro buon amico buon ca ff è buono studente good book good friend good co ff ee good student buona idea buona esperienza buona memoria good idea good experience good memory Masculine Feminine buon buono buon’ / buona* buona (un) (uno) (un’) (una)