求英式英语和美式英语的历史,大概就是英语为什么什么时候怎么样分出英美两式的
DifferencesbetweenBritishandAmericanEnglish
Mainarticle:ComparisonofAmericanandBritishEnglish
AmericanEnglishandBritishEnglish(BrE)differatthelevelsofphonology,phonetics,vocabulary,and,toalesserextent,grammarandorthography.ThefirstlargeAmericandictionary,AnAmericanDictionaryoftheEnglishLanguage,waswrittenbyNoahWebsterin1828;WebsterintendedtoshowthattheUnitedStates,whichwasarelativelynewcountryatthetime,spokeadifferentdialectfromthatofBritain.
Differencesingrammararerelativelyminor,andnormallydonotaffectmutualintelligibility;theseinclude:differentuseofsomeverbalauxiliaries;formal(ratherthannotional)agreementwithcollectivenouns;differentpref。