七年級上名詞單數(shù)變復(fù)數(shù)課件

1、名詞名詞單數(shù)單數(shù)變變復(fù)數(shù)復(fù)數(shù)教師：劉蕭君教師：劉蕭君語法知識整合訓(xùn)練語法知識整合訓(xùn)練whats this in english?its an apple.what are these?they are two apples.-what are these?-whats this?-its a pen.-they are pens.-what are those?-whats that?-its an english book.-they are english books.-what are those?-whats that?-its a map.-they are maps.1.一般情況下

2、，直接在詞尾加-s構(gòu)成復(fù)數(shù)形式。pencardrulernamespenscardsrulers-whats this?its a watch.-what are these?-they are watches.box2. 以s, x, ch, sh等結(jié)尾的名詞， 在詞尾加-es構(gòu)成復(fù)數(shù)形式。boxesclassclasseswatchwatchesbrushbrushes（刷）sxshch2.busbusesfoxesfox(狐貍)dish(盤子)dishes-whats this?its a tomato.-wh

3、at are these?-they are tomatoes.3. 以o結(jié)尾的名詞，有的加-s, 有的加-es構(gòu)成復(fù)數(shù)形式。photophotosheroestomatoeszooszoo(動物園)tomato(西紅柿)hero(英雄)表示無生命事物的名詞，詞尾加-s,表示有生命事物的名詞，詞尾加-es。 加-es的名詞有: potato, tomato, hero巧記:英雄愛吃英雄愛吃 土豆燉西紅柿土豆燉西紅柿。-whats this?its a strawberry.-what are these?-they are strawberries.-whats this?its a dict

4、ionary.-what are these?-they are dictionaries.4. 以“輔音字母+y”結(jié)尾的名詞，應(yīng)改y為i，再加es。familyfamiliesdictionariesdictionarystrawberrystrawberrieskeycitiesstrawberrieskeyscity(城市)strawberry(草莓)以“元音字母+y”結(jié)尾的名詞，直接在詞尾加-s構(gòu)成復(fù)數(shù)形式 。boyboysdaydaysoayy5. 以f或fe結(jié)尾的名詞，先將f或fe變成v，再加-es構(gòu)成復(fù)數(shù)形式。knifekniveshalfhalves5.wivesleavesw

5、olveswife(妻子)leaf(樹葉)wolf(狼)roof(屋頂)roofsroof“小偷”(thief)的“妻子”(wife)用“刀子”(knife)和“樹葉”(leaf)把“狼”(wolf)劈成兩“半”(half)。巧記：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)則變化規(guī)則變化 sum up:p951.一般情況下,直接在名詞詞尾加-s.2.以s,x,sh,ch結(jié)尾的名詞,在詞尾加-es. 3.以輔音字母加y結(jié)尾的名詞，要變y為i再加-es.以“元音字母+y”結(jié)尾的名詞，直接在詞尾加-s .4.以o結(jié)尾的名詞,表示無生命事物的名詞加-s,表示有生命事物的名詞加-es。給下列可數(shù)名詞

6、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-birdsladiesorangesrulerscatsboysgirlscaseswiveswatchestreeskeysquestionsbedsheroesfriendsfamiliesdictionariesphotoscardsleavesparti

7、escups選擇填空 1、there on the wall .they are very beautiful. a. are photoes b. are photos c. is a photo d. is photos 2. there are four and two in the group. a. japanese, germen b japaneses, germen c. japanese, german d. japanese, germans 3.these are_ a. art book b. art books c. arts books d. arts book 4

8、. the boys have got already. a. two bread b. two breads c. two pieces of bread d. two piece of bread 5. the old man wants . a. six boxes of apples b. six boxes of apple c. six box of apples d. six boxs of apples 6. there some in the river. a. is ,fish b. are, fishs c. is, fishs d. are ,fish 7. there

9、 two in the box. a. is watch b. are watches c. are watch d. is watches 8. we should clean twice a day. a .our tooth b. our tooths c. teeth d. our teeth 9. the _ meeting room is near the reading room. a. teacher b. teachers c. teachers d. teachers 10. in britain _ are all painted red. a. letter boxes b. letters boxes c. letter box d. letters box( (二二) )不規(guī)則變化不規(guī)則變化: :3.單復(fù)數(shù)同形單復(fù)數(shù)同形(不變不變): sheep(綿羊綿羊) deer(鹿鹿) fish(魚魚) 1.man, woman men, womenchinese(中國人中國人) japanese(日本人日本人) 6. oo變成變成 ee:f