【文章內(nèi)容簡介】
nouns ending in s, sh, ch or x: + es Form the plural of countable nouns photos potatoes tomatoes nouns ending in o: + s or + es Form the plural of countable nouns a knife two knives a scarf three scarves nouns ending in f/fe: 去 f/fe + ves Form the plural of countable nouns some other nouns a man two men a policewoman three policewomen Form the plural