英文字库单词的常见变化形式A.单复数一般规律：1.本词+s2.本词+es3.以字母y结尾的本词+去掉y+ies4.以字母f结尾的本词+去掉f+ves特殊变化：1.foot→feet,2.goose→geese,3.tooth→teeth,4.child→children,5.man→men,6.woman→women,7.mouse→mice.8.以man或woman结尾的本词复数为本词+men/women（如FrenchmanFrenchmen）B.词形变化一般规律本词+s本词+ed本词+ing特殊变化：1.以e结尾的本词，先去e，再加ing（如：live-livinghave-havingdance-dancing）2.以ie结尾的动词，先将ie变为y，再加ing（例如：lie-lying）3.本词尾字母双写，再加ing（如：swim-swimming/run-running/begin-beginning/sit-sitting）4.以-e结尾的本词+d（如phonephonedphoned）5.以y结尾的本词，变y为i，再加ed如studystudiedstudiedcarrycarriedcarriedtrytriedtried6.本词尾字母双写，再加-ed如stopstoppedstoppedplanplannedplannedfitfittedfitted不规则变化形式本词（过去式+过去分词）ArisearosearisenAwakeawokeawokenBewaswerebeenBeatbeatenbeginbeganbegunbefallbefellbefallenbendbentbindboundbitebittenbleedbledblendblentblessblestblowblewblownbreakbrokebreedbredbringbroughtbuildbuiltburnburntbuyboughtcatchcaughtchoosechosechosencleaveclovecleftclovenclingclungclothecladcomecamecreepcreptdaredurstdealdealtdigdugdodiddonedrawdrewdrawndreamdreamtdrinkdrankdrunkdrivedrovedrivendwelldwelteatateeatenfallfellfallenfeedfedfeelfeltfightfoughtfindfoundfleefledflingflungflyflewflownforbidforbadeforbadforgetforgotforgottenforgiveforgaveforgivenfreezefrozefrozengainsaygainsaidgetgotgottengildgiltgirdgirtgivegavegivengowentgonegravegravengrowgrewhanghunghavehadhearheardheavehovehidehidhiddenholdheldkeepkeptkneelkneltknowknewknownladeladenlaylaidleadledleanleantleapleaptlearnlearntlendlentlielaylainmakemademean