第三人稱名詞單數(shù)變復(fù)數(shù)-免費(fèi)閱讀
【正文】 例如：Chinese → Chinese, Japanese → Japanese；Englishman → Englishmen, Englishwoman → Englishwomen, Frenchman → Frenchmen, Frenchwoman → Frenchwomen；American → Americans, Rusian → Rusians, Arab → Arabs, German → Germans 等。例如：baby → babies, country → countries, family → families；而y 前是元音時(shí)，y 不變，直接加s?！泵~由單數(shù)變復(fù)數(shù)，多數(shù)是規(guī)則的變，直接加s，例如：book → books, girl → girls。女人 womanwomen。two pairs of trousers ，其復(fù)數(shù)形式有時(shí)可表示特別意思，如：goods貨物，waters水域，fishes（各種）魚第四篇：名詞單數(shù)變復(fù)數(shù)規(guī)則名詞單數(shù)變復(fù)數(shù)規(guī)則【速記口訣】單數(shù)變復(fù)數(shù)，規(guī)則要記住，一般加s，特殊有幾處：以ch，sh，s，x等結(jié)尾，es不離后，末尾字母o，大多加s，兩人有兩菜，es不離口，詞尾f、fe，s前有v和e；沒有規(guī)則詞，必須單獨(dú)記。、新聞，為不可數(shù)名詞。如： be→is，have→has 2)單數(shù)名詞加s: students, apples, bags, trees, books, brothers. 2)以s、x、sh、ch結(jié)尾的名詞加es: glasses, boxes, brushes, matches. 3)以輔音字母加y結(jié)尾的名詞，變y為i加es: cities, babies, enemies.4)以f或fe結(jié)尾的名詞，多數(shù)變f為v加es: wives, : roofs, proof s, chiefs. 5)以o結(jié)尾的名詞，有些加es: Negroes, heroes, tomatoes, 它加s: radio s, zoos, pianos, photos.6)不規(guī)則名詞：foot→feet, goose→geese, tooth→teeth, child→children, man→me n, woman→women, sheep→sheep, deer→deer, mouse→)某些外來詞變復(fù)數(shù)：datum→data, medium→media, bacterium→bacteria, curriculum→curricula, criterion→criteria, phenomenon→phenomena.(um/on→a)analysis→analyses, basis→bases, crisis→crises, diagnosis→diagnoses.(is→es)8)復(fù)合名詞變復(fù)數(shù)：以不可數(shù)名詞結(jié)尾的復(fù)合名詞無復(fù)數(shù)形式，如：homework. 以man或woman為前綴的復(fù)合名詞變復(fù)數(shù)，前后兩個(gè)名詞都變復(fù)數(shù)，如：manservant→menservants, woman student women students.其它復(fù)合名詞變復(fù)數(shù)：grownup→grownups, brotherinlaw→brothersinlaw, standby→standsby. 9)復(fù)合形容詞做定語時(shí)，其中的名詞保持單數(shù)：a sixyearold boy，a twohundredpage book大多數(shù)名詞變復(fù)數(shù)時(shí)在末尾直接加“s”：book boy piano 以“s, x, sh, ch”結(jié)尾的名詞變復(fù)數(shù)時(shí)在末尾加“es”：dress watch box部分以“o”結(jié)尾的名詞變復(fù)數(shù)時(shí)也要在末尾加“es”：hero nero potato mango tomato以輔音加”y”結(jié)尾的名詞變復(fù)數(shù)時(shí)在末尾將“y”改“i”加“es”：family baby puppy以“f”或“fe”結(jié)尾的名詞變復(fù)數(shù)時(shí)在末尾將“f”或“fe”改為“ves”：knife wife部分名詞屬于單復(fù)數(shù)同形，名詞復(fù)數(shù)還是其本身：sheep fish部分名詞本身就是復(fù)數(shù)：people glasses clothes部分單詞中含有字母組合“oo”，應(yīng)將“oo”改為“ee”：foot goose部分名詞屬于不規(guī)則變化，應(yīng)專門記憶：man child mouse不可數(shù)名詞一般不使用復(fù)數(shù)形式：water milk第二篇：名詞單數(shù)變復(fù)數(shù)名詞單數(shù)變復(fù)數(shù)一．名詞單數(shù)變復(fù)數(shù)名詞單數(shù)變復(fù)數(shù)kangaroo _______fish ______mouse ______woman _______potato ______tomato ______ child _______sheep ______wolf ______knife ______fly ______glass ______box ______bus _______elephant________ monkey ______watch______horse ______banana_______family ______ 二．動(dòng)詞單數(shù)第三人稱變化work ______fly ______teach _______ride _______wash ______mix ______study _______sleep _______have ______go ______do _______say _______ 三．動(dòng)詞過去時(shí)work ______dance______study ______watch ______play ______read ______buy _______swim ______sing ______say ______see _______fly _______go ______do _______e ______get _______have _____take ______find ______hear ______tell ______run ______write _______ride _______put _____lose ______know _______stand _______sit ______
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