英語(yǔ)單詞各種變化規(guī)則

1、一、名詞復(fù)數(shù)規(guī)則1一般情況下，直接加-s， 如：book-books, bag-bags, cat-cats, bed-beds2以s. x. sh. ch結(jié)尾，加-es，如：bus-buses, box-boxes, brush-brushes, watch-watches3.以“輔音字母+y”結(jié)尾，變y為i, 再加-es，如：family-families, strawberry-strawberries4以“f或fe”結(jié)尾，變f或fe為v, 再加-es，如：knife-knives5不規(guī)則名詞復(fù)數(shù)：man-men, woman-women, policeman-policemen, po

2、licewoman-policewomen, mouse-mice child-children foot-feet,. tooth-teeth fish-fish, people-people, Chinese-Chinese, Japanese-Japanese練習(xí)： 寫(xiě)出下列各詞的復(fù)數(shù) I _ him _ this _ her _watch _ child _ photo _ diary _day_ foot_ book_ dress _ tooth_ sheep _ box_ strawberry _thief _ fish_ peach_ sandwich _man_ woman_

3、paper_ juice_water_ milk_ rice_ tea_二動(dòng)詞第三人稱(chēng)單數(shù)變化規(guī)則1一般情況下，直接加-s， 如：cook-cooks, milk-milks2以s. x. sh. ch. o結(jié)尾，加-es， 如：guess-guesses, wash-washes, watch-watches, go-goes3以“輔音字母+y”結(jié)尾，變y為i, 再加-es，如：study-studies一、 寫(xiě)出下列動(dòng)詞的第三人稱(chēng)單數(shù) drink _ go _ stay _ make _look _ have_ pass_ carry _come_ watch_ plant_ fly _s

4、tudy_ brush_ do_ teach_三動(dòng)詞現(xiàn)在分詞加ing的變化規(guī)則1一般情況下，直接加ing， 如：cook-cooking2以不發(fā)音的e結(jié)尾，去e加ing，如：make-making, taste-tasting3如果末尾是一個(gè)元音字母和一個(gè)輔音字母，雙寫(xiě)末尾的輔音字母，再加ing，如：run-running, stop-stopping現(xiàn)在進(jìn)行時(shí)專(zhuān)項(xiàng)練習(xí)：一、寫(xiě)出下列動(dòng)詞的現(xiàn)在分詞：play_ run_ swim _ make_go_ like_ write_ _ ski_ read_ have_ sing _ dance_put_ see_ buy _ love_ live_

5、 take_ come _ get_stop_ sit _ begin_ shop_四動(dòng)詞過(guò)去式變化規(guī)則：1一般在動(dòng)詞末尾加-ed，如：pull-pulled, cook-cooked2結(jié)尾是e加d，如：taste-tasted3末尾只有一個(gè)元音字母和一個(gè)輔音字母的重讀閉音節(jié)，應(yīng)雙寫(xiě)末尾的輔音字母，再加-ed，如：stop-stopped4以“輔音字母+y”結(jié)尾的，變y為i， 再加-ed，如：study-studied5不規(guī)則動(dòng)詞過(guò)去式：am,is-was, are-were, do-did, see-saw, say-said, give-gave, get-got, go-went, co

6、me-came, have-had, eat-ate, take-took, run-ran, sing-sang, put-put, fly-flew,make-made, read-read, write-wrote, draw-drew, drink-drank, ride-rode, speak-spoke, sweep-swept, swim-swam, sit-sat過(guò)去時(shí)練習(xí)一、寫(xiě)出下列動(dòng)詞的過(guò)去式 isam_ fly_ plant_ are _drink_ play_ go_ make _ does_ dance_ worry_ ask _taste_ eat_ draw_ p

7、ut _throw_ kick_ pass_ do _五形容詞比較級(jí)和最高級(jí)的變化規(guī)則：1.一般在詞尾加er/est；2.以字母e 結(jié)尾，加r/st ；3.以一個(gè)元音字母和一個(gè)輔音字母結(jié)尾，應(yīng)雙寫(xiě)末尾的輔音字母，再加er/st ；4.以“輔音字母+y”結(jié)尾，先把y變i，再加er/st5.部分雙音節(jié)詞和多音節(jié)詞，在單詞前面加more或mostimportant more important most important difficult more difficult most difficultinteresting more interesting most interesting useful more useful most usefulbeautiful more beautiful most beautiful6不規(guī)則形容詞比較級(jí)：good/well-better-best bad/ill-worse-worstmany/much-more-most little-less-leastfar-farther-farthest 或further-furthest old-older-oldest或elder-eldestlate-later-latest或latter-lattest寫(xiě)出下列形容詞的比較級(jí)和最高級(jí)old_ young_ tall_ lo