小學(xué)英語動(dòng)詞第三人稱單數(shù)形式用法詳解

1、一般現(xiàn)在時(shí)中的第三人稱單數(shù)形式在一般現(xiàn)在時(shí)中，當(dāng)主語是第三人稱單數(shù)時(shí)，謂語動(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。標(biāo)志詞（時(shí)間狀語）： always, every week (day, year, month), once a week, every, sometimes, at, on Sunday uauslly often,never,hardly.（一） 什么是一般現(xiàn)在時(shí)？一般現(xiàn)在時(shí)的基本用法有哪些呢？【一般現(xiàn)在時(shí)的功能】1.表示事物或人物的特征、狀態(tài)。如：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(dòng)作。如：I get up at six

2、every day.我每天六點(diǎn)起床。     3.表示客觀現(xiàn)實(shí)。如：The earth goes around the sun.地球繞著太陽轉(zhuǎn)。（二）哪些主語是第三人稱單數(shù)? 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：   He likes watching TV. 他喜歡看電視。   he has lunch at twelve. 她十二點(diǎn)吃午餐。   It looks like a cat. 它看起來像只貓。二、單個(gè)人名、地名或稱呼作主語；是第三人稱單數(shù)。如：&#

3、160;  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(guó)。   Uncle 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(shí)，是第三人稱單數(shù)。如：   A horse is a useful animal. 馬是有用的動(dòng)物。   This book is yours. 這本書是你的。 

4、  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someone, somebody, nobody, everything, something等及指示代詞this,    that作主語時(shí)，是第三人稱單數(shù)。如：   Everyone is here. 大家到齊了。   There is something wrong with the watch. 這塊手表有毛病。   This is

5、 a pen. 這是一支鋼筆。   That is an eraser. 那是一塊橡皮擦。五、不可數(shù)名詞作主語時(shí)為第三人稱單數(shù)。如：   The milk is in the glass. 牛奶在玻璃杯里。   The bread is very small. 那面包很小。六、當(dāng)數(shù)字或字母作主語時(shí)，看作第三人稱單數(shù)。如：   "6" is a lucky number. "6"是個(gè)吉利數(shù)字。   "I" is a letter. &qu

6、ot;I"是個(gè)字母。除上述規(guī)律外，還應(yīng)注意下面三點(diǎn)：1. 動(dòng)詞 have ，遇到主語是第三人稱單數(shù)時(shí)，要用 has； 動(dòng)詞 be 的第三人稱單數(shù)形式是is。2. 含有動(dòng)詞第三人稱單數(shù)形式的句子變否定句時(shí)，要用 doesn't + 動(dòng)詞原形，如：He goes to school at six in the morning. (變否定句) He doesn't go to school at six in the morning.3. 對(duì)含有動(dòng)詞第三人稱單數(shù)形式的句子提問時(shí)，要用助動(dòng)詞 does，如：She goes home at five every day. (對(duì)

7、劃線部分提問) When / What time does she go home every day? （三）含有動(dòng)詞第三人稱單數(shù)形式的句子變否定句和疑問時(shí)怎樣變？【注意：】只要句子中出現(xiàn)do, does,dont,doesnt, 句子中原來的實(shí)意動(dòng)詞要用原形 例如：He likes apples. (改成否定句) He doesnt likes apples。(錯(cuò)) He doesnt like apples。(對(duì))A 否定句：（1）當(dāng)主語是第一，二或復(fù)數(shù)時(shí)，主語+ don't +動(dòng)詞原形(+其它)。如：I don't like bread. （2） 當(dāng)主語為第三人稱單數(shù)時(shí)

8、，要用doesn't構(gòu)成否定句。如： He doesn't often play.B 一般疑問句：（1）當(dāng)主語是第一，二或復(fù)數(shù)時(shí)，Do +主語+動(dòng)詞原形+其它。如： Do you often play football? - Yes, I do. / No, I don't. (2) 當(dāng)主語為第三人稱單數(shù)時(shí)，要用does構(gòu)成一般疑問句。如： - Does she go to work by bike? - Yes, she does. / No, she doesn't.C特殊疑問句：疑問詞+一般疑問句。如：How does your father go to

9、work?（四）一般現(xiàn)在時(shí)-動(dòng)詞第三人稱單數(shù)形式構(gòu)成規(guī)則（一般現(xiàn)在時(shí)中主語時(shí)第三人稱1、大多數(shù)動(dòng)詞在詞尾加“S”如：   stopstops makemakes   readreads playplays z2、以輔音字母加“y”結(jié)尾的，要先將“y”變?yōu)椤癷”，然后在加“es”讀iz 如：   flyflies carrycarries studystudies worryworries3、以“s, x, ch, sh”結(jié)尾的，在詞尾加“es”，發(fā)音為如：   teachteaches watchwatches 4

10、、以“o”結(jié)尾的動(dòng)詞，加“es”，如：   gogoes dodoes 5、以不發(fā)音字母“e”結(jié)尾的開音節(jié)詞，加“s” 如： closecloses iz 6、特殊：. be動(dòng)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. . 動(dòng)詞 have ，遇到主語是第三人稱單數(shù)時(shí)，要用 has； 動(dòng)詞 be 的第三人稱單數(shù)形式is。（五）鞏固練習(xí)題：一、 寫出下列動(dòng)詞的第三人稱單數(shù)形式：  sit-        &#

11、160;         guess-                    die-                  go-  rush-

12、0;                reach-                    touch-             &#

13、160;  brush-  fly-                  copy-                     say-     

14、;             run-    do-                   fix-             

15、;         live-                 cry-  enjoy-                have-    &

16、#160;                wish-                 play-  Tie-            

17、0;     teach-                    buy-                  study-   drink-  

18、60;             go-                       stay-              

19、;   make-  look-                 carry-                    come-       

20、0;         watch-   plant-                fly -       do-          二、用括號(hào)內(nèi)動(dòng)詞的適當(dāng)形式填空。1.

21、 He often _(have) dinner at home.2. Daniel and Tommy _(be) in Class One.3. We _(not watch) TV on Monday.4. Nick _(not go) to the zoo on Sunday.5. _ they _(like) the World Cup?6. What _they often _(do) on Saturdays?7. _ your parents _(read) newspapers every day?8. The girl _(teach) us English on Sund

22、ays.9. She and I _(take) a walk together every evening.10. There _(be) some water in the bottle.11. Mike _(like) cooking.12. They _(have) the same hobby.13. My aunt _(look) after her baby carefully.14. You always _(do) your homework well.15. I _(be) ill. Im staying in bed.16. She _(go) to school fro

23、m Monday to Friday.17. Liu Tao _(do) not like PE.18. The child often _(watch) TV in the evening.19. Su Hai and Su Yang _(have) eight lessons this term.20. What day _(be) it today?    Its Saturday 三、改錯(cuò)(劃出錯(cuò)誤的地方，將正確的寫在橫線上)1. Is your brother speak English? _2. Does he likes going fis

24、hing? _3. He likes play games after class. _4. Mr. Wu teachs us English. _5. She dont do her homework on Sundays. _練習(xí)題練習(xí)一、 寫出下列動(dòng)詞的第三人稱單數(shù)drink_go_stay_make_look_have_pass_carry_come_watch_plant_fly_study_brush_do_teach_meet_bring_ 練習(xí)二、將括號(hào)里動(dòng)詞的適當(dāng)形式填入橫線上。1. I _ in the corridors. (walk)2. He _ in the cor

25、ridors. (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 _ rubbish in the bin. (throw)10. They _ t

26、he 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. (pack)17. My mother _ dinne

27、r 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 shouldnt _ (throw, throws) rubbish on the floor.3. Peter _ (help, helps) his mother a

28、t home.4. She never _ (run, runs) in the corridors.5. We should _ (walks, walk) in the corridors.6. He _ (dont, doesnt) 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 _the

29、y often _ (do) on Saturdays?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) your homework well.20