英语单词各种变化

1．一般情况下，直接加-s， 如：book-books, bag-bags, cat-cats, bed-beds

2．以s. x. sh. ch结尾，加-es，如：bus-buses, box-boxes, brush-brushes, watch-watches

3.以“辅音字母+y”结尾，变y为i, 再加-es，如：family-families, strawberry-strawberries

4．以“f或fe”结尾，变f或fe为v, 再加-es，如：knife-knives

5．不规则名词复数：

man-men, woman-women, policeman-policemen, policewoman-policewomen, mouse-mice  child-children   foot-feet,.  tooth-teeth  fish-fish, people-people, Chinese-Chinese,  Japanese-Japanese

练习： 写出下列各词的复数 

I _________      him _________   this ___________    her ______

watch _______    child _______    photo ________     diary ______

day________     foot________     book_______       dress ________

tooth_______     sheep ______     box________        strawberry _____

thief _______     fish______       peach______       sandwich ______

man______       woman_______   paper_______       juice___________

water________    milk________    rice__________      tea__________

二．动词第三人称单数变化规则

1．一般情况下，直接加-s，    如：cook-cooks, milk-milks

2．以s. x. sh. ch. o结尾，加-es， 如：guess-guesses, wash-washes, watch-watches, go-goes

3．以“辅音字母+y”结尾，变y为i, 再加-es，如：study-studies

一、 写出下列动词的第三人称单数 

drink ________      go _________      stay ________        make ________

look _________      have_______       pass_______         carry ________

come________       watch______      plant_______         fly __________

study_______        brush________     do_________         teach________

三．动词现在分词加ing的变化规则

1．一般情况下，直接加ing，      如：cook-cooking

2．以不发音的e结尾，去e加ing，如：make-making, taste-tasting

3．如果末尾是一个元音字母和一个辅音字母，双写末尾的辅音字母，再加ing，如：run-running, stop-stopping

现在进行时专项练习：

一、写出下列动词的现在分词：

play________    run__________       swim _________     make__________

go_________     like________         write________ _     ski___________ 

read________     have_________      sing  ________      dance_________

put_________    see________        buy _________       love____________ 

live_______      take_________       come ________      get_________

stop_________    sit ________         begin________      shop___________

四．动词过去式变化规则：

1．一般在动词末尾加-ed，如：pull-pulled, cook-cooked

2．结尾是e加d，如：taste-tasted

3．末尾只有一个元音字母和一个辅音字母的重读闭音节，应双写末尾的辅音字母，再加-ed，如：stop-stopped

4．以“辅音字母+y”结尾的，变y为i， 再加-ed，如：study-studied

5．不规则动词过去式：

am,is-was,  are-were,   do-did,   see-saw,  say-said, give-gave, get-got, go-went, come-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

过去时练习

一、写出下列动词的过去式 

is\\am_________     fly_______          plant________      are ________

drink_________     play_______         go________        make _____ 

does_________      dance________       worry________     ask _____

taste_________      eat__________       draw________       put ______

throw________      kick_________       pass_______        do  ________

五．形容词比较级和最高级的变化规则：

1.一般在词尾加er/est；

2.以字母e 结尾，加r/st ；

3.以一个元音字母和一个辅音字母结尾，应双写末尾的辅音字母，再加er/st ；

4.以“辅音字母+y”结尾，先把y变i，再加er/st

5.部分双音节词和多音节词，在单词前面加more或most

important    more important    most important 

　　difficult    more difficult    most difficult

　　interesting  more interesting  most interesting 

　　useful       more useful       most useful

                   beautiful     more beautiful    most beautiful

6．不规则形容词比较级：

①good/well-better-best ②bad/ill-worse-worst

③many/much-more-most    ④little-less-least

⑤far-farther-farthest ⑥old-older-oldest

    或further-furthest  或elder-eldest

⑦late-later-latest

  或latter-latest

写出下列形容词的比较级和最高级

old__________      young________       tall_______       long________   

  short________      strong________        big________     small_______

  fat_________       thin__________        heavy______     light________

  nice________       good_________        beautiful____________________  

 high_________       slow_______          fast________     low______

  late__________      early_________        far_________     well_______