外研版高中英語(yǔ)選修7module1basketballperiod3素材-資料下載頁(yè)
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【導(dǎo)讀】詞性轉(zhuǎn)化指的是單詞從一個(gè)詞類(lèi)轉(zhuǎn)到另一個(gè)詞類(lèi)而不發(fā)生詞形變化。構(gòu)詞法包括合成、派生、轉(zhuǎn)化和縮寫(xiě)簡(jiǎn)寫(xiě)。詞綴是派生的一部分?！皍nflattering,”therootissimply“flatter,”whiletheprefix“un-”makes
【正文】 aprovincial pre (before) prefabricate, preface prefer post (after) postpone, postscript, postwar sub (under) submarine, subscription, suspect trans (across) transfer, transit, translate Affixes Morphemes added to free forms to make other free forms are called affixes. There are three principle kinds of affixes: 1. prefixes (at beginning) — “un ” in “unable” 2. suffixes (at end) — “ ed” in “walked” 3. circumfixes (at both ends) — “en — en” in “enlighten” (These always seem to consist of otherwise attested independent prefixes and suffixes.)
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