名詞單數(shù)變復(fù)數(shù)口訣及規(guī)則課件

1、單數(shù)復(fù)數(shù)可數(shù)名詞如何變化？規(guī)則變化不規(guī)則變化規(guī)則變化單數(shù)復(fù)數(shù)可數(shù)名詞如何變化？規(guī)則變化不規(guī)則變化規(guī)則變化名詞單數(shù)變復(fù)數(shù)口訣(一)規(guī)則變化名詞單數(shù)變復(fù)數(shù)，直接加 -s 占多數(shù)；book-books; pen-pens; apple-appless, x, z, ch, sh 來(lái)結(jié)尾，直接加上 -es；dress-dresses; box-boxes; buzz-buzzes; watch-watches; brush-brushes 詞尾是 f 或 fe，加 -s 之前先變 ve；leaf-leaves; wife-wives; knife-knives 名詞單數(shù)變復(fù)數(shù)口訣(一)規(guī)則變化輔音 +

2、 y 在詞尾，把 y 變 i 再加 -es；study-studies; baby-babies; city-cities元音+y在詞尾, 只加s就足夠boy boys ; day days; monkey monkeys詞尾字母若是 o，常用三個(gè)已足夠， 要加 -es 請(qǐng)記好，hero, tomato, potato。黑人和英雄愛(ài)吃土豆和西紅柿。negro nigr-negroes; hero hr-heroes; potato-potatoes; tomato-tomatoes其余o結(jié)尾的詞加s, photo-photos; piano-pianos名詞單數(shù)變復(fù)數(shù)口訣及規(guī)則課件(二) 不規(guī)

3、則變化男人女人 a 變 e，鵝足牙 oo 變 ee；man-men; woman-women; goose-geese; foot-feet; tooth-teeth老鼠虱子也好記，ous 變 ic；mouse-mice; louse las-lice las孩子加上 ren，魚(yú)鹿綿羊不用變child-children; fish; deer; sheepthis-these(這些) that - those(那些)名詞單數(shù)變復(fù)數(shù)口訣及規(guī)則課件wivesleaveswolveswife(妻子)leaf(樹(shù)葉)wolf(狼)roof(屋頂)roofsroofwivesleaveswolveswi

4、fe(妻子)leaf(“小偷”(thief)的“妻子”(wife)用“刀子”(knife)和“樹(shù)葉”(leaf)把“狼”(wolf)劈成兩“半”(half)。巧記：“小偷”(thief)的“妻子”(wife)用“刀子”(kn名詞單數(shù)變復(fù)數(shù)口訣（一）規(guī)則變化名詞單數(shù)變復(fù)數(shù)，直接加 -s 占多數(shù)；s, x, z, ch, sh 來(lái)結(jié)尾，直接加上 -es；詞尾是 f 或 fe，加 -s 之前先變 ve；輔音 + y 在詞尾，把 y 變 i 再加 -es；元音+y在詞尾, 只加s就足夠詞尾字母若是 o，常用三個(gè)已足夠， 要加 -es 請(qǐng)記好，hero, tomato, potato。其余o結(jié)尾的詞加s

5、, photo-photos; piano-pianos（二) 不規(guī)則變化男人女人 a 變 e，鵝足牙 oo 變 ee；老鼠虱子也好記，ous 變 ic孩子加上 ren，魚(yú)鹿綿羊不用變名詞單數(shù)變復(fù)數(shù)口訣（一）規(guī)則變化名詞單數(shù)變復(fù)數(shù)后s / es 的讀音1.在清輔音后讀 / s /2.在元音和濁輔音后讀 / z /3.在/ s / / z / / / / / t / / d /后 讀 / iz /4.在/ t /后讀/ ts /，在 / d /后讀 / dz /desks mapsbrothers pensclasses, watches, orangescats, friends 名詞單數(shù)變復(fù)

6、數(shù)后s / es 的讀音desks mapsb給下列可數(shù)名詞加復(fù)數(shù) bird- card- lady- orange- ruler- photo- friend- boy- watch- girl- case- cat- wife- tree- key- bed- hero- family- dictionary- question- leaf- party- cup-birdsladiesorangesrulerscatsboysgirlscaseswiveswatchestreeskeysquestionsbedsheroesfriendsfamiliesdictionariesphoto

7、scardsleavespartiescups給下列可數(shù)名詞加復(fù)數(shù) birdsladiesorangesthis that I you he / she / it am / is thesethoseweyoutheyare 單數(shù) 復(fù)數(shù)this the句子單數(shù)變復(fù)數(shù)This is a book. That is an eraser.It is a red apple. I am a boy.He / She is a teacher.Whats this ? These are books.Those are erasers.They are red apples.We are boys.They are teachers.Whatre these ?句子單數(shù)變復(fù)數(shù)These are books.復(fù)數(shù)句子變單數(shù)句子 These are dictionaries.單數(shù)一般疑問(wèn)句,并作肯定回答劃線提問(wèn) This is a dictionary.Are these dictionaries ? Yes, they are.What are these ?復(fù)數(shù)句子變單數(shù)句子 This is a 一、寫(xiě)出下列單詞的復(fù)數(shù)I- 2.am- 3.he 4.pencil- 5.watch- 6.dictionary- 7. man- 8.it- 9.