動(dòng)詞第三人稱單數(shù)及練習(xí)

1、精選文檔” 、土es ”讀Unit5 和 Unit6 語(yǔ)法的總結(jié)和練習(xí)（一）第三人稱都有哪些詞呢？大家都知道，在一般現(xiàn)在時(shí)中，當(dāng)主語(yǔ)是第三人稱單數(shù)時(shí)，謂語(yǔ)動(dòng)詞（實(shí)意動(dòng)詞）要用第三人稱單數(shù)形式，即常在動(dòng)詞原形后加-s或-es或是變y為i加es。但有些同學(xué)們對(duì)于哪些主語(yǔ)是第三人稱單數(shù)還不十分清楚，現(xiàn)歸納總結(jié)如下：一、人稱代詞he, she, it 是第三人稱單數(shù)。如：（注意句中動(dòng)詞的變化）1. He likes cars. 他喜歡車。2. She goes to school at seven. 她七點(diǎn)去上學(xué)。3. It has a good name. 它有一個(gè)好名字。二、單個(gè)人名、親朋好友等稱

2、呼作主語(yǔ)是第三人稱單數(shù)。如：（注意句中動(dòng)詞的變化）1. Pat never throws rubbish on the floor. Pat 從不在地板上扔垃圾。2. Miss Wang waters the flowers once a day. 王老師給花一天澆水一次。3. Aunt Mary usually makes cakes. 瑪麗阿姨經(jīng)常做蛋糕。4. My mothe r washes the dishes everyday. 我媽媽每天都洗碗。（二）動(dòng)詞的第三人稱單數(shù)？動(dòng)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。1. 大多數(shù)動(dòng)詞在詞尾加“s ”在清輔音后發(fā)音

3、為 s ，在濁輔音及元音后發(fā)音為z如： stop stops s ; make makes s read reads z ; play plays z2. 以輔音字母加“y ”結(jié)尾的，要先將“y ”變?yōu)椤癷 ”，然后在加“ iz 如：fly flies z ； carry carries zstudy studies z; worry worries3. 以“ s, x, ch, sh ”結(jié)尾的，在詞尾加“iezs ”，發(fā)音為 如：teach teaches iz; watch watches iz4. 以“ o”結(jié)尾的動(dòng)詞，加“e展,如賣go goes z do does z下面幾個(gè)動(dòng)詞變?yōu)?/p>

4、單數(shù)時(shí)，原詞的元音部分的發(fā)音發(fā)生了較大的變化，請(qǐng)注意記憶。如：可編輯1 、 do du: does daz動(dòng)詞第三人稱單數(shù)形式的構(gòu)成：動(dòng)詞怎樣變成第三人稱單數(shù)呢？改變后怎樣讀？2、 say sei says sezDo you often play football?- Yes, I do. / No, I dont.以不發(fā)音字母“e”結(jié)尾的開(kāi)音節(jié)詞，如果尾音茴，z時(shí)，加“ s”后字母“ e發(fā)音， 與所加“s”一起讀做iz。 如： close closes iz除上述規(guī)律外，還應(yīng)注意下面：1. 動(dòng)詞 have ，遇到主語(yǔ)是第三人稱單數(shù)時(shí)，要用has； 動(dòng)詞 be 的第三人稱單數(shù)形式是is。（三

5、）含有動(dòng)詞第三人稱單數(shù)形式的句子變否定句和疑問(wèn)時(shí)怎樣變？（2） 當(dāng)主語(yǔ)為第三人稱單數(shù)時(shí)，要用does 構(gòu)成一般疑問(wèn)句。如：- Does she go to work by bike?- Yes, she does. / No, she doesnt.C 特殊疑問(wèn)句：疑問(wèn)詞 + 一般疑問(wèn)句。如：How does your father go to work?（四）練習(xí)題練習(xí)一、寫(xiě)出下列動(dòng)詞的第三人稱單數(shù)】只要句子中出現(xiàn)do, does,don t,doesn t, 句子中原來(lái)的實(shí)意動(dòng)詞要用原形 例如： He likes apples. （ 改成否定句）He doesn t likes apple

6、s 。 （錯(cuò) ）He doesn t like apples 。 （對(duì) ）A 否定句： （ 1） 當(dāng)主語(yǔ)是第一，二或復(fù)數(shù)時(shí)，主語(yǔ)+ dont + 動(dòng)詞原形 （+ 其它）。如：I dont like bread.（ 2） 當(dāng)主語(yǔ)為第三人稱單數(shù)時(shí)，要用doesnt 構(gòu)成否定句。如：He doesnt often play.B 一般疑問(wèn)句：（ 1 ）當(dāng)主語(yǔ)是第一，二或復(fù)數(shù)時(shí)，Do + 主語(yǔ) + 動(dòng)詞原形 + 其它。如：drinkgostaymakelook_havepasscarrycomewatchplantflystudybrush_doteachmeetbring_練習(xí)二、將括號(hào)里動(dòng)詞的適當(dāng)形

7、式填入橫線上。1. I in the corridors. (walk)2. He in the corridors. (run)3. She her face once a day. (wash)4. They their teeth once a day. (brush)5. You up your clothes once a day. (hang)6. We our home work once a day. (finish)7. He rubbish in the classroom, (throw)8. She rubbish on the floor, (throw)9. I r

8、ubbish in the bin. (throw)10. They the table once a day. (set)11. Peter never in the corridors, (run)12. Mary usually the table. (set)13. Pat and Ken the plants in the morning, (water)14. The boy his hair once a day. (comb)15. Miss Cheng TV at home, (watch)16. My sister his schoolbag once a day. (pa

9、ck)17. My mother dinner for me. (cook)18. My parents the house at Chinese New Year, (clean)19. My teachers us some gifts, (give)20. My friends the table with me. (set)練習(xí)三、選擇正確的單詞填到括號(hào)里1. What does Candy(wants, want) to be?2. He shouldn t(thtbiooyvs) rubbish on the floor.3. Peter(help, helps) his moth

10、er at home.4. She never(run, runs) in the corridors.5. We should(walks, walk) in the corridors.6. He(don doesn t/ t) get up early.7. How often(do, does) your father go to bed?8. We(not watch) TV on Monday.9. Nick(not go) to the zoo on Sunday.10. they (like) the World Cup?11. What they often(do) on S

11、aturdays?12. your parents(read) newspapers every day?13. The girl(teach) us English on Sundays.14. She and I(take) a walk together every evening.15. There(be) some water in the bottle.16. Mike(like) cooking.17. They(have) the same hobby.18. My aunt(look) after her baby carefully.19. You always(do) y

12、our homework well.20. I(be) ill. I m staying in bed.21. She(go) to school from Monday to Friday.22. Liu Tao(do) not like PE.23. The child often(watch) TV in the evening.24. Su Hai and Su Yang(have) eight lessons this term.25. He TV every evening, (watch)26. John like his father, (look)27. He often(h

13、ave) dinner at home.練習(xí)四、將下列句子改成第三人稱 He的句型(看例句)例句:I brush my teeth once a day.-改：He brushes his teeth once a day.1. I comb my hair twice a day.2. They go to school at six in the morning.3. You wash your face and put on your clothes.4. When do you get up?5. How often do you hang up your clothes?練習(xí)五、句型轉(zhuǎn)換1. I go to school by bus.（ 用 He 做主語(yǔ)）2. Kim plays baseball very well.（變一般疑問(wèn)句 ）3. She plays sports every day.（ 變否定句）4. David doesn d Ftkench.（變