第三人稱單數(shù)形式重難點解析匯報

1、第三人稱單數(shù)形式重難點解析動詞原形變第三人稱單數(shù)的規(guī)則與發(fā)音規(guī)律同名詞單數(shù)變復(fù)數(shù) 大致相同，請認(rèn)真觀察。K大多數(shù)動詞在詞尾加在清輔音后發(fā)音為s,在濁輔音 及元音后發(fā)音為zo女口： stop stops s ; makemakes sread reads z;p I ay p I ays z2、以輔音字母加“y”結(jié)尾的，要先將“y”變?yōu)槿缓笤诩印癳s"讀iz如:f I y f I i es z ； carry carr i es zstudy stud i es z ; wor ryworr i es3、以“s, x, ch, sh”結(jié)尾的，在詞尾加uesn,發(fā)音為iz如:teacht

2、eaches i z ; watchwatches i z4、以結(jié)尾的動詞,加“es”,讀z如:go goes z dodoes z下面幾個動詞變?yōu)閱螖?shù)時，原詞的元音部分的發(fā)音發(fā)生了較大的變化，請注意記憶。女山1V do du: does dz2、say sei says sez以不發(fā)音字母“e”結(jié)尾的開音節(jié)詞，如果尾音是s, z時，加“s"后字母“e”發(fā)音,與所加“s”起讀做iz o 如:close closes izbe動詞包括：am, is, are。第三人稱單數(shù)用is；過去式為was；復(fù)數(shù)用are,過去式為were.除上述規(guī)律外，還應(yīng)注意下面三點：1. 動詞have ,遇到主

3、語是第三人稱單數(shù)時，要用has；動詞be的 第三人稱單數(shù)形式是iso2. 含有動詞第三人稱單數(shù)形式的句子變否定句時，要用doesn't + 動詞原形，女口：He goes to schoo I a tsixi nt he morn ing.（變否定句）T He does n't go to schoo I at s i x i n the morning.3. 對含有動詞第三人稱單數(shù)形式的句子提問時，要用助動詞does, 如：She goes home at f i ve every day.（對劃線部分提問）TWhen / What time does she go home

4、 every day?一般現(xiàn)在時中的第三人稱單數(shù)形式：在一般現(xiàn)在時中，當(dāng)主語是第三人稱單數(shù)時，謂語動詞要用第三人稱單數(shù)形式，即常在動詞原形后加-s或-es。I. 什么是一般現(xiàn)在時？ 一般現(xiàn)在時的基本用法有哪些呢？【No. 1 -般現(xiàn)在時的功能1. 表示事物或人物的特征、狀態(tài)。女口： The sky is blue.天空是 藍(lán)色的。2. 表示經(jīng)常性或習(xí)慣性的動作。如：I get up at six every day.我每天六點起床。標(biāo)志詞（時間狀語）: a I ways, every week (day, year, month)，once a week,every , someti mes,

5、 at ， on Sunday uaus I ly often,never,hardly3. 表示客觀現(xiàn)實。女口： The earth goes around the sun.地球繞 著太陽轉(zhuǎn)。No. 2 一般現(xiàn)在時的構(gòu)成1. be 動詞：主語+be(am, is, are) + 其它。如:I am a boy.我是一個男孩。2行為動詞：主語+行為動詞(+其它)。如：We study Engl ish.我們學(xué)習(xí)英語。當(dāng)主語為第三人稱單數(shù)(he, she, it)時，要在動詞后加”-s”或 -eso 如：Mary I i kes Chinese.瑪麗喜歡漢語?！綨o. 3 一般現(xiàn)在時的變化1.

6、be動詞的變化。a否定句：主語+ be + not +其它.如：He i s not a worker.他不是工人。b 一般疑問句：Be +主語+其它。女口： -Are you a student?-Yes. I am. / No, I ' m not.c特殊疑問句：疑問詞+般疑問句。女口：Where i s my b i ke?2. 行為動詞的變化。a否定句:主語+ don't ( doesn' t) +動詞原形(+其它)。如: I don*t like breadb當(dāng)主語為第三人稱單數(shù)時，要用doesn*t構(gòu)成否定句。如: He doesn11 often pI a

7、y.c 般疑問句：Do( Does ) +主語+動詞原形+其它。如：一 Do you often pI ay football?一 Yes, I do. / No, I don' t.當(dāng)主語為第三人稱單數(shù)時，要用does構(gòu)成一般疑問句。女口：一 Does she go to work by b i ke?一 Yes, she does / No, she doesn't.No. 4特殊疑問句：疑問詞+般疑問句。女口：How does your father go to work?II.哪些主語是第三人稱單數(shù)？現(xiàn)歸納總結(jié)如下：、人稱代詞he, she, it是第三人稱單數(shù)。女口：

8、He I i kes watch i ng TV.他喜歡看電視。he has I unch at twe I ve.她十二點吃午餐。It looks I ike a cat.它看起來像只貓。二、單個人名、地名或稱呼作主語；是第三人稱單數(shù)。女口： Han Mei looks like her mother.韓梅看起來像她的母親。 Beijing is in China.北京在中國。 line I e Wang often makes cakes.王叔叔經(jīng)常做蛋糕。三、單數(shù)可數(shù)名詞或"this / that / the+單數(shù)可數(shù)名詞“作主語時， 是第三人稱單數(shù)。女口： A horse i

9、 s a usefu I animal.馬是有用的動物。 Th is book i s yours.這本書是你的。 That car is red.那輛小汽車是紅色的。 The cat is Lucy's.這只貓是露茜的。四、不定代詞 some one, somebody, nobody, every thing, some thing 等及指示代詞this,that作主語時，是第三人稱單數(shù)。女山 Everyone i s here.大家到齊了。 There i s somethi ng wrong with the watch.這塊手表有 毛病。 This is a pen.這是一支

10、鋼筆。 That is an eraser.那是一塊橡皮擦。五、不可數(shù)名詞作主語時為第三人稱單數(shù)。女口： The milk i s i n the g I ass.牛奶在玻璃杯里。 The bread i s very sma I I.那面包很小。六、當(dāng)數(shù)字或字母作主語時，看作第三人稱單數(shù)。女口： "6" is a Iucky number. "6"是個吉利數(shù)字。 T is a letter. "I"是個字母。鞏固練習(xí)題：I寫出下列動詞的第三人稱單數(shù)形式：d i e一一 d i esrush一一 rushes touch-一 touc

11、hes enjoyswi sh一一wi shestie-一tiesbuy一一 buysdr i nk-一dr i nksstayst ayskeslook一一Iookscomecomesp I ant-一 pI ants comesI i ve一一 I i vesgogoesreach一一 reachesbrush一一 brusheshave一一haspI ay_pI aysteach一一teachesstudy-一 stud i es gogoesmake一一maenjoy一一en joyswatch-一 watchescomedo一一does二、用括號內(nèi)動詞的適當(dāng)形式填空。He often

12、 has (have) d i nner at home2. DanieI and Tommy are (be) in Class One.3. We dorf t watch (not watch) TV on Monday.4. Nick doesr/ t go (not go) to the zoo on Sunday.5. Do they Ii ke (Ii ke) the WorId Cup?6. What do they often do (do) on Saturdays?7. Do your parents read (read) newspapers every day?8.

13、 The girl teaches (teach) us Engl ish on Sundays9. She and I take (take) a waIk together every evening.10. There is (be) some water in the bottle.11. Mike Iikes (I ike) cooking.12. They have (have) the same hobby.13 My aunt looks (look) after her baby carefully.14. You always do (do) your homework w

14、e I I.15. I am (be) ill. m st ay i ng i n bed.16. She goes (go) to schooI from Monday to Friday.17. L i u Tao does (do) not I i ke PE.18. The child often watches (watch) TV in the evening19. Su Hai and Su Yang have (have) eight lessons this term.20. What day i s (be) i t today?It， s Saturday.三、按照要求改

15、寫句子1. Daniel watches TV every evening.(改為否定句)Daniel doesr? t watch TV every evening.2. I do my homework every day.(改為一般疑問句，作否定回答)Do you do your homework every day?No, I don9 t.3. She likes mi Ik.（改為一般疑問句，作肯定回答）Does she like milk? No, she doesrV t4. Amy I ikes playing computer games.（改為一般疑問句，作否定 回答）D

16、oes Amy like playing computer games? No, she doest5. We go to schoo I every morn i ng.（改為否定句）We don' t go to school every morning6. He speaks Eng I i sh very well.（改為否定句）He doesrV t speak English very well7. I I ike taking photos in the park.（對劃線部分提問）Where do I like taking photos?8. John comes from Canada.（對劃線部分提問）Where does John come from?9. She is always a good student.（改為一般疑問句，作否定回答）Is she always a good student? No, she isrf t10 Simon and DanieI I i