小学英语肯定句

1、可数名词单数变复数规律：1、词尾直接加 s 型： students, apples, bags, trees, books, brothers2、以 s、x、sh、 ch 结尾的名词加 es 型： glasses, boxes, brushes, matches3、以辅音字母加y 结尾的名词，变y 为 i 加 es 型： city-cities, baby-babies4、以元音字母加 y 结尾的名词，直接加 s: boys, toys5、以 f 或 fe 结尾的名词，多数变 f 为 v 加 es: wives, knives, thief, life, half, leaf,shelf, w

2、olf, 除了 roof6、以 o 结尾的名词，一般直接加 s: radios, zoos, pianos, photos；除了 5 个特殊的词需要加 es: Negroes, heroes, potatoes, tomatoes ，mangoes.( 黑人英雄爱吃土豆和西红柿：薯条蘸番茄酱 ;最后再吃点芒果 )7、不规则变化的词： foot feet, goose geese, tooth teeth,manmen, woman women,sheepsheep, deerdeer, Chinese Chinese, Japanese Japanese，childchildren,mouse

3、 mice.不规则变化要特别记， oo常常变 ee, footfeet是一例 ;男人、女人 a 改 e,woman women 是一例 ;child 复数 children 要记准，中、日、鹿、绵羊无变化，单数、复数是一家。第三人称单数（他，她，它）是除了你、我，还有复数以外（他们，她们，它们）的人称。47| 同学们，快来看看自己做的怎么样吧！写出下列名词的复数形式：Ithisthatwatchchildphotodiary(日记 )day(天)footbookdress(连衣裙)toothsheepboxstrawberrywolfpeachyo-yo(悠悠球)sandwichmanpape

4、rwaterjuiceeThere are 56(people)in China.woman teamous答案：wethesethosewatcheschildrenphotosdiariesdaysfeetbooksdressesteethsheepboxesstrawberrieswolvespeachesyo-yos(悠悠球是 “无生命 ”的，另外含有 -符号的词是一个词，因此在结尾加s)sandwichesmenwomenpaperwaterjuicetea micepeoples(这句话的意思是 -“中国有 56 个民族 ”)评论小学英语肯定句、否定句、一般疑问句和特殊疑问句的详解

5、一、 be 动词： am, is, are二、肯定句、否定句、一般疑问句和特殊疑问句定义1肯定句：表示肯定的意思, 即不含有否定词“不” 。比如：我是一个学生I am a student.他去上学He goes to school.2否定句：表示否定的意思。比如：我不是一个男孩。I am not a boy他不去上学He does not go to school.3. 一般疑问句：回答为“是 yes”或者“否 no”的问句。比如：你是一个学生吗？Are you a student?你喜欢英语吗？Do you like English?4. 特殊疑问句：回答不是“是yes”或者“否 no”的问

6、句，根据提问内容具体回答。比如：现在几点了？What s the time?哪一支笔是你的？Which is your pen?三、肯定句、否定句、一般疑问句和特殊疑问句的相互转换有 am, is, are 的句子，肯定句变否定句： 在am, is, are 后面加上not,其余按顺序照抄。肯定句变一般疑问句：把am, is, are 提前放到句首并大写Am, Is, Are,其余照抄。肯定句变特殊疑问句（就划线部分提问）：分 3步骤第一步：先变一般疑问句第二步：找合适的特殊疑问词代替划线部分第三步：特殊疑问词提前放到句首，并大写，其余按顺序照抄，省略划线部分。注意： 1.一定先变一般疑问句。

7、但是，如果问的是主语或主语的定语时，语序不变，为" 特殊疑问词 (+主语 )+陈述句 " 。如： Li ming 's not here today.Who's not here today? 今天谁没来？2.划线部分不能在特殊疑问句中出现。when 什么时间（问时间）what date什么日期问具体日期who 谁（问人）what place 什么地点问具体地址whose 谁的 问主人how 怎么样问情况where 在哪里 问地点how old 多大 问年龄which 哪一个 问选择how many多少 问数量why 为什么 问原因how much多少 问价

8、钱what 什么 问东西how about 怎么样问意见what time 什么时间问时间how far多远 问路程what colour 什么颜色问颜色how long多长 问时间what about怎么样问意见How soon多快，多久 问时间what day 星期几 问星期How often 多久问频率肯定句变为否定句时应注意的特殊情况肯定句变为否定句时，通常必须在句中加上副词not。可是对有些特殊的情况我们还必须加以注意，现根据初中英语教材对这些特殊情况说明如下：1. 如果肯定句中有连词and ，变为否定句时，通常要将and 变为 or 。例如：The girl can sing an

9、d dance. The girl cannot sing or dance.The boy has father and mother. The boy has no father or mother.（或 The boy has not any father or mother. ）2. 如果肯定句中 some ，变为否定句时，some 一般要改为 any 。例如：There are some boys in the room. There are not any boys in the room.3. 如果肯定句中有 too （也），变为否定句时，应将too 改为 either 。例如：

10、Wang Ling is a teacher, too. Wang Ling is not a teacher, either.4.如果肯定句中有already ，变为否定句时，应将already 改为 yet ，并放在句末。例如：The worker has finished his work already. The worker has not finished his work yet.5.如果肯定句中有 “ had better ，变为”否定句时，not 要放在 “ had better 之后。”例如：You had better write to your teacher. You

11、 had better not write to your teacher.6.如果肯定句中有always ，变为否定句时，要将always 改为 never 。例如：She always goes to school at seven o'clock. She never goes to school at seven o'clock.7.如果肯定句中有both，变为否定句时，要将both 改为 neither 。例如：Both of us know English. Neither of us knows English.8.如果肯定句中有all ，变为否定句时，要将all

12、 改为 none 。例如：All of these books are yours. Nonesebooksftheare ( is ) yours.9. 如果肯定句中有everybody ，变为否定句时，要将everybody 改为nobody 。例如：Everybody has read the book. Nobody has read the book.10.如果肯定句中有 everything ，变为否定句时，要将 everything改为 nothing 。例如：Everything is difficult for us.Nothing is difficult for us.1

13、1.如果肯定句中有情态动词must ，变为否定句时，其变化要按must 在句中的确切含意而定。如表示 “不必 ”时，用“ need not ( needn't ) ；如表”示 “不准，不应是 ”时，则用 “ must not ( mustn't ) 。例”如：You must finish your work this afternoon. You needn'd finish your work this. afternoonThe car must be parked here. The car mustn't be parked here.12. 在谓语动

14、词为 think, believe 等后面接宾语从句时，习惯上将从句中的否定形式转移到主句的谓语部分中去。例如：I think that my sister will be back soon.I belive that he will go to school tomorrow. I don't think that my sister will be back soon. I don't belive that he will go to school tomorrow.例如：1 肯定句、否定句和一般疑问句的互换肯定句： This is a book.否定句： This i

15、s not a book.一般疑问句： Is this a book?肯定回答： Yes, it is.否定回答： No, it isn t.2 就划线部分提问(变特殊疑问句 )This is a book.第一步：变一般疑问句Is this a book?第二步：找合适的特殊疑问词Is this what ?第三步： 特殊疑问词提前放到句首，并大写， 其余按顺序照抄，省略划线部分。What is this?没有 am, is, are 的句子，肯定句变否定句：在主语后面加上do not或者 does not,其余按顺序照抄动词用原形肯定句变一般疑问句：在句首加do 或者肯定句变特殊疑问句（就

16、划线部分提问）does 并大写 ,其余照抄。注意：动词用原形：分 3步骤第一步：先变一般疑问句第二步：找合适的特殊疑问词代替划线部分第三步：特殊疑问词提前放到句首，并大写，其余按顺序照抄，省略划线部分。注意： 1.一定先变一般疑问句。但是，如果问的是主语或主语的定语时，语序不变，为殊疑问词 (+主语 )+陈述句 "。" 特2.划线部分不能在特殊疑问句中出现。非单三时用do, 单三时用does非单三肯定句： I like English.一般疑问句： Do you like English?否定句： I do not like English.单三肯定句： He likes

17、English.一般疑问句： Does he like English?否定句： He does not like English.就划线部分提问：I like English.第一步：先变一般疑问句Do you like English?第二步：找合适的特殊疑问词代替划线部分Do you like what?第三步：特殊疑问词提前放到句首，并大写，其余按顺序照抄，省略划线部分。What do you like?特殊：1.some 变为 any。如：There are some birds in the tree. There aren't any birds in the tree.

18、但是，若在表示请邀请、请求的句子中，some 可以不变。如：Would you like some orange juice?与此相关的一些不定代词如something, somebody 等也要进行相应变化。2.and 变为 or。如：I have a knife and a ruler. I don't have a knife or a ruler.3.a lot of (=lots of) 变为 many 或 much。如：They have a lot of friends. （可数名词）They don't have many friends.There is lo

19、ts of orange in the bottle. （不可数名词） There isn't much orange in the bottle.4.already 变为 yet。如：I have been there already. I haven't been there yet.一般现在时用法专练:一、写出下列动词的第三人称单数drink _ go _stay _ make _look _ have_ pass_carry _come_ watch_ plant_fly _study_ brush_do_teach_二、用 am, is, are填空1. I _ a

20、boy._ you a boy?No, I _ not.2. The girl_ Jack's sister.3. The dog _ tall and fat.4. The man with big eyes _ a teacher.5. _ your brother in the classroom?6.Where _ your mother?She _ at home.7.How _ your father?8. Mike and Liu Tao _ at school.9. Whose dress _ this?10. Whose socks _they?11. That _

21、my red skirt.12. Who _ I?13.The jeans _ on the desk.14.Here _ a scarf for you.15.Here _ some sweaters for you.16.The black gloves _ for Su Yang.17. This pair of gloves _ for Yang Ling.18. The two cups of milk _ for me.19. Some tea _ in the glass.20. Gao Shan's shirt _ over there.21. My sister

22、9;s name _Nancy.22. This _ not Wang Fang's pencil.23._David and Helen from England?24. There _ a girl in the room.25. There _ some apples on the tree.26. _ there any kites in the classroom?27. _ there any apple juice in the bottle?28. There _ some bread on the plate.29. There _ a boy, two girls,

23、 three men and ten women in the park.30. You, he and I _ from China.三、用括号内动词的适当形式填空。1. He often _(have) dinner at home.2. David and Tom _(be) in Class One.3. We _(not watch) TV on Monday.4. Mike _(not go) to the zoo on Sunday.5. _ they _(like) the World Cup?6. What _they often _(do) on Saturdays?7.

24、_ your parents _(read) newspapers every day?8. The girl _(teach) us English on Sundays.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

25、) your homework well.15. I _(be) ill. I'm staying in bed.16. She _(go) to school from 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? It s Saturday.四、按照要求改写句子1. David

26、 watches TV every evening.( 改为否定句 )_2. I do my homework every day.(改为一般疑问句，作否定回答)_3. She likes milk.(改为一般疑问句，作肯定回答)_4. Helen likes playing computer games.(改为一般疑问句，作否定回答)_5. We go to school every morning.( 改为否定句 )_6. He speaks English very well.( 改为否定句 )_7. I like taking photos in the park.( 对划线部分提问

27、)_8. Jim comes from Canada.( 对划线部分提问 )_9. She is always a good student.(改为一般疑问句，作否定回答)_10. Tom and David like going skating.( 改为否定句 )_五、改错 (划出错误的地方，将正确的写在横线上)1.Is your brother speak English?_2.Does he likes going fishing?_3.He likes play games after class._4. Mr. Wu teachs us English._5. She don'

28、;t do her homework on Sundays. _六、一般现在时翻译练习1.我们每天七点钟上学。We _ _ _ at seven o2.教室有一些学生。 clock _ _.3 苏海英语说得很好。Su Hai _ _ very _.4.高小姐教英语。Miss Gao _ _.5.我父亲起得很早。My father _ _ early.6.我们非常喜欢英语。We _ English _ _.7.他常常步行去上学。He usually _ _ _ _ _.8.他努力学习英语。He _ _ hard.9.她学英语吗？_ she _ _?10.他是做什么工作的？_ is his _?1

29、1.他不在家里做作业。He _ _ _ _ at home.12.我们星期天不去学。We _ _ _ _ on Sundays.13.他经常十点钟睡觉。He often _ _ _ _ _ .14.有时我五点钟起床。Sometimes, I _ _ _ _.15.他们早上七点钟去上学。They _ _ _ at seven _ _ _. 打一般现在时用法专练 :一、 写出下列动词的第三人称单数drink _ go _ stay _ make _look _ have_ pass_ carry _come_ watch_ plant_ fly _study_ brush_do_ teach_二、

30、用 am, is, are填空1. I _ a boy. _ you a boy? No, I _ not.2. The girl_ Jack's sister.3. The dog _ tall and fat.4. The man with big eyes _ a teacher.5. _ your brother in the classroom?6. Where _ your mother? She _ at home.7. How _ your father?8. Mike and Liu Tao _ at school.9. Whose dress _ this?10.

31、Whose socks _ they?11. That _ my red skirt.12. Who _ I?13.The jeans _ on the desk.14.Here _ a scarf for you.15. Here _ some sweaters for you.16. The black gloves _ for Su Yang.17. This pair of gloves _ for Yang Ling.18. The two cups of milk _ for me.19. Some tea _ in the glass.20. Gao Shan's shi

32、rt _ over there.21. My sister's name _Nancy.22. This _ not Wang Fang's pencil.23. _ David and Helen from England?24. There _ a girl in the room.25. There _ some apples on the tree.26. _ there any kites in the classroom?27. _ there any apple juice in the bottle?28. There _ some bread on the p

33、late.29. There _ a boy, two girls, three men and ten women in the park.30. You, he and I _ from China.三、用括号内动词的适当形式填空。1. He often _(have) dinner at home.2. David and Tom _(be) in Class One.3. We _(not watch) TV on Monday.4. Mike _(not go) to the zoo on Sunday.5. _ they _(like) the World Cup?6. What

34、_they often _(do) on Saturdays?7. _ your parents _(read) newspapers every day?8. The girl _(teach) us English on Sundays.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

35、baby carefully.14. You always _(do) your homework well.15. I _(be) ill. I'm staying in bed.16. She _(go) to school from 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

36、? It s Saturday.四、按照要求改写句子1.David watches TV every evening.(改为否定句 )_2.I do my homework every day.(改为一般疑问句，作否定回答 )_3. She likes milk.(改为一般疑问句，作肯定回答 )_4.Helen likes playing computer games.(改为一般疑问句，作否定回答 )_5.We go to school every morning.(改为否定句 )_6.He speaks English very well.(改为否定句 )_7.I like taking p

37、hotos in the park.(对划线部分提问 )_8.Jim comes from Canada.( 对划线部分提问 )_9.She is always a good student.(改为一般疑问句，作否定回答 )_10. Tom and David like going skating.(改为否定句 )_五、改错 ( 划出错误的地方，将正确的写在横线上 )1.Is your brother speak English?_2.Does he likes going fishing?_3.He likes play games after class._4. Mr. Wu teachs

38、 us English._5. She don't do her homework on Sundays. _六、一般现在时翻译练习1. 我们每天七点钟上学。We _ _ _ at seven oclock _ _.2. 教室有一些学生。3 苏海英语说得很好。4. 高小姐教英语。5. 我父亲起得很早。6. 我们非常喜欢英语。7. 他常常步行去上学。8. 他努力学习英语。9. 她学英语吗？_ she _ _?10. 他是做什么工作的？_ is his _?11. 他不在家里做作业。12. 我们星期天不去学。13. 他经常十点钟睡觉。14. 有时我五点钟起床。15. 他们早上七点钟去上学。

39、They _ _ _ at seven _ _ _. .选字母，完成单词。 （ 10 分）( ) 1. a_ain A. g B. t C. m( ) 2.retu _n A. t B. a C. r( ) 3.di_tionary A. u B. c C. o( ) 4.kan_aroo A. o B. e C. g ( )5. borro _ A. a B. o C. w ( ) 6.scient_st A. k B. i C. a( ) 7.mo_ntain A. p B. u C. n( ) 8.wor_d A. a B. e C. l( ) 9. sing _r A. e B. p

40、C. o( )10.car _ oon A. h B. t C.按要求写单词。 （ 15 分）1. I （名词性物主代词）_ 2.photo( 复数 ) _3.child( 复数 ) _ 4.swim （现在分词） _e(过去式 )_ 6.nine （序数词） _7.see(过去式 )_ 8.hear（同音词） _9.teach（名词） _ 10.far （反义词） _.用所给单词的适当形式的填空。（10 分）1. They _ (have) a very funny day last Sunday .2. Tom and Sam _(sleep) under the tree now .3. We _(play) basketball with my friends tomorrow .4. The girl didn t _(do) her homework last week .5. After supper we like _(watch)TV in the dining room.6. This pair of sunglasses was _(cheap) than that one.7. He _(be) ill yesterday .8. Which i