小學(xué)英語(yǔ)動(dòng)詞的單三形式講解第五次講義范文

1、四年級(jí)英語(yǔ)下冊(cè)第五次講義I小學(xué)英語(yǔ)動(dòng)詞的單三形式講解大家都知道，在一般現(xiàn)在時(shí)中，當(dāng)主語(yǔ)是第三人稱(chēng)單數(shù)時(shí)，謂語(yǔ)動(dòng)詞 要用第三人稱(chēng)單數(shù)形式，即常在動(dòng)詞原形后加-s或-es o但有些同學(xué)們對(duì)于哪些主語(yǔ)是第三人稱(chēng)單數(shù)還不十分清楚，現(xiàn)歸納總結(jié)如下： 一、人稱(chēng)代詞he, she, it是第三人稱(chēng)單數(shù)。如：He likes watching TV.他喜歡看電視。She has lunch at twelve.她十二點(diǎn)吃午餐。It looks like a cat.它看起來(lái)像只貓。二、單個(gè)人名、地名或稱(chēng)呼作主語(yǔ)；是第三人稱(chēng)單數(shù)。如：韓梅看起來(lái)像她的母親。北京在中國(guó)。王叔叔經(jīng)常做蛋糕。單數(shù)可數(shù)名詞"作

2、主語(yǔ)時(shí)，是第馬是有用的動(dòng)物。 Han Mei looks like her mother. Beijing is in China. Uncle Wang often makes cakes. 三、單數(shù)可數(shù)名詞或"this / that / the+ 三人稱(chēng)單數(shù)。如： A horse is a useful animal.This book is yours.這本書(shū)是你的。That car is red.那輛小汽車(chē)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, somet

3、hing 等 及指示代詞this, that作主語(yǔ)時(shí)，是第三人稱(chēng)單數(shù)。如： Everyone is here.大家至 U齊了。 There is something wrong with the watch.這塊手表有毛病。 This is 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(yǔ)時(shí)為第三人稱(chēng)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(yǔ)時(shí)，看作第三人稱(chēng)單數(shù)。如： "6" is a lucky num

4、ber. "6"是個(gè)吉利數(shù)字。 "I" is a letter. "I"是個(gè)字母。第三人稱(chēng)單數(shù)形式的構(gòu)成1 .般直接在詞尾力口s, 如： work-works live-lives make-makes2 .以 s,x,ch ,sh 等結(jié)尾的單詞力口 es ,如： miss-misses fix-fixes finish-finishes teach-teaches3 .以輔音字母加y結(jié)尾的單詞，變y為i力口 es ,如：fly-flies4 .以輔音字母加。結(jié)尾的單詞，力口 es 如： go-goes do-does 動(dòng)詞單三的練習(xí)

5、三寫(xiě)出下列動(dòng)詞的第三人稱(chēng)單數(shù)。go do play jump swim run put sing dance come get have fly study read write look drink eat walk 一.根據(jù)括號(hào)里單詞的適當(dāng)形式填空1. She(be ) a writer.2. It(look) like a monkey.3. We(go) to the park.4. He(go) to school.5. Amy(like) eating fruits.6. Hebei(be) next to Shandong.7. Our teacher(be) talking w

6、ith John.8. Whose book(be) this ?9. Dogs(be) our friends .10. That blackboard(be) clean.11. The desk(be) Tom's.12. Somebody(do) her homework .13. Everybody(is ) ok!14. Nobody(be) in the park .15. There(be) someone in the classroom .16. That cat(be ) mine .17. A little water(be) in the cup.18. Ch

7、eese(taste) well .19. The letter O”(look) like zero.20. 4"(be) a bad number in China .二.把下列句子改成第三人稱(chēng)單數(shù)句的肯定句、否定句、一般疑問(wèn)句，弁 做回答。1. I like playing the pinao in the music room . (Tom)2. You need a pencil-box for new term .(Sam's sister)1. I do my homework at half past four in the afternoon (she)4.

8、 I have breakfast at twenty-five past seven in the morning (her father )5. I watch TV at quarter past six with my parents . (Tom's sister)二 小學(xué)英語(yǔ)所有句型轉(zhuǎn)換的方法基本助動(dòng)詞只有三個(gè)：be, do, have,他們沒(méi)有詞匯意義，只有語(yǔ)法作用,如協(xié)助構(gòu)成進(jìn)行體，完成體，被動(dòng)態(tài)，否定句，疑問(wèn)句等。1、 肯定句改否定句的方法一步法1、 在 be 動(dòng)詞后加not 。如：is not ， are not ， am not， was not， werenot

9、；2、 在 can， should， will 等后加not 。如：cannot， should not ， will not ；3、 上述都沒(méi)有的，在動(dòng)詞前加助動(dòng)詞否定形式don t/doesn t/didn t。4、 some 改成any。2、 肯定句改一般疑問(wèn)句的方法三步法1、把be動(dòng)詞放在句首，剩下的照抄，（some改成any, my改成your等） 句點(diǎn)改成問(wèn)號(hào)。2、 把 can， shall，will 等放到句首，剩下的照抄， （ some 改成 any， my改成 your 等）句點(diǎn)改成問(wèn)號(hào)。例如：陳述句 : They are in the park. He can play t

10、he guitar.一般疑問(wèn)句 : Are they in the park? Can he play the guitar?把下列句子變成一般疑問(wèn)句1. I am listening to music.2. Mike is a student.3. Sarah can clean the classroom.4. They are in the zoo.5. There are some flowers in the vase.6. This is my sister.7. We are sweeping the floor.3、 上述都沒(méi)有的， 在句首請(qǐng)助動(dòng)詞 Do/Does/Did 幫忙， 剩下的照抄， （ some改成any， my 改成 your 等）句點(diǎn)改成問(wèn)號(hào)。例如：陳述句: I like the ducks.He likes the dogs.一般疑問(wèn)句：Do you like the ducks?Does he like the dogs?把下列句子改為一般疑問(wèn)句。1. We need some masks.2. They l