-Phrasalverbs-PhrasalverbsinEnglishcancausedifficultiesformanylearnersbecausetheyhaveseveralmeaningsanddifferentsyntacticpatterns.TherearealsoanumberofphrasalverbdifferencesbetweenAmericanandBritishEnglish.
Wordderivation-WordderivationinEnglishrequiresalotofrotelearning.Forexample,anadjectivecanbenegatedbyusingtheprefixun-(e.g.unable),in-(e.g.inappropriate),dis-(e.g.dishonest),ora-(e.g.amoral),orthroughtheuseofoneofamyriadofrelatedbutrarerprefixes,allmodifiedversionsofthefirstfour.
Sizeoflexicon-ThehistoryofEnglishhasresultedinaverylargevocabulary,essentiallyonestreamfromOldEnglishandonefromtheNormaninfusionofLatin-derivedterms.(Schmitt&MarsdenclaimthatEnglishhasoneofthelargestvocabulariesofanyknownlanguage.)Thisinevitablyrequiresmoreworkforalearnertomasterthelanguage.
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