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1、,专项练习一,陈述句、一般疑问句、特殊疑问句,必备知识点：be动词：am、is、are、was、were；小学阶段，be动词后只接名词，形容词或动词的ing形式。助动词：do、does、did、have、had；助动词后的动词用原形。情态动词can、must、will、may、need等；情态动词+动词原形,一、肯定句、否定句定义1肯定句：表示肯定的意思,即不含有否定词“不”。例：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。例：我不是一个男孩。I am not a boy 他不去上学 He does not go to s
2、chool.,二、一般疑问句（一）、什么是一般疑问句用Yes或No作答的疑问句叫一般疑问句。一般疑问句还有下列特点：1、以be动词、助动词或情态动词开头；例：Is your father a teacher?Does Catherine like animals?Can Jenny speak French?2、往往读升调；3、译成汉语，都可以带上“吗”，例如上面三句可分别译为：你父亲是老师吗？凯瑟琳喜欢动物吗？詹妮会说法语吗？,（二）、如何将陈述句变成一般疑问句？1.看句中有没有be动词（am、is、are、was、were）、助动词（do、does、did、have、had）、情态动词（c
3、an、must、will、may等），如果有，将其提到句首，句末打上问号即可。例：It was rainy yesterday.Was it rainy yesterday?Toms father can play the piano.Can Toms father play the piano?I have finished my homework.Have you finished your homework?,2.如果没有be动词、助动词、情态动词，则根据动词的形式借助do的相应形式放在句首。具体方法是：a、如果谓语动词是原形，则借do；例：They go to school by bi
4、ke.Do they go to school by bike?b、如果谓语动词是一般现在时第三人称单数形式，则借does；例：Bill gets up at 6:30 every day.Does bill get up at 6:30 every day?c、如果谓语动词是过去式，则借did.需要注意的是，借does或did后，原句的谓语动词要变回原形。例：The students saw a film yesterday.Did the students see a film yesterday?,（三）、陈述句变一般疑问句应注意的事项陈述句变成一般疑问句除了遵循上述规则以外，还应注意下
5、列几点：1.如果陈述句中有第一人称，则变问句时最好要变为第二人称。I usually have lunch at school.Do you usually have lunch at school?My father is playing soccer.Is your father playing soccer?2.如果句中有some,则变问句时往往要变成any。There is some water on the playground.Is there any water on the playground?,3.复合句变一般疑问句通常只变主句，从句不变。例：I know he comes
6、 from Canada.Do you know he comes from Canada?4如果句中含有实义动词have且表示“有”时,除借do外，也可将其直接提到句首。例：I have some friends in America.Do you have any friends in America?/Have you any friends in America?,（四）、一般疑问句的回答一般疑问句往往采用简短回答，共由三部分（三个单词）组成，对这三部分（三个单词）的确定可以概括例下：1.第一个词：不是Yes就是No。（注意：有时根据语气的不同，Yes可由Sure,Certainly,
7、Of course等代替.No可由sorry 代替.）2.第二个词：问谁答谁。即答语中的主语须与问句的主语一致（但必须用主格代词）。例：Does she clean her room every day?Yes,she does.Is Annas father a doctor?No，he isnt.如果主语是 this that,回答时用 it 代替，如果问句中主语是these,those回答时用 they代替。,3.第三个词：用什么问，用什么答。即沿用问句中的引导词,例：Can Jim play soccer?Yes,he can.Does Mr Bean speak English?Ye
8、s,he does.需要注意问题：用 may 引导的问句，肯定回答用may，否定回答用 cant 或mustnt，用 must 引导的问句，肯定回答用 must，否定回答用neednt.例：May I go to the park now?Yes,you may./No,you mustnt.Must I wash my clothes now?Yes,you must./No,you neednt.4用No开头作否定回答时,结尾要加上 not。因为回答必须是三部分，所以否定回答必须缩写，而肯定回答不能缩写。例:Did Thomas come here yesterday?Yes,he did
9、./No,he didnt.,三、特殊疑问句（一）以疑问词开头，对句中某一成分提问的句子叫特殊疑问句。（二）常用的疑问词有：,（三）小学阶段特殊疑问句句型结构有：1、特殊疑问词+助动词+主语+动词原形+其他？eg:Where do you do study English?2、特殊疑问词+be动词+主语+其他？eg:Why is your Mum so angry?3、特殊疑问词+情态动词+主语+动词原形+其他？eg:What can I do for you?,（四）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:1、肯定句变否定句：在am,is,are后面加上
10、not,其余按顺序照抄。2、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。3、肯定句变特殊疑问句（就划线部分提问）：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。,例如：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 is 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 isnt.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 I
11、s 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1、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2、肯定句变一般疑问句：在句首加do或者does并大写,其余照抄。注意：动词用原形3、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。4.划线部分不能在特殊疑问句中出现。非
12、三单时用do,三单时用does,例：非三单.三单 肯定句：I like English 肯定句：He likes English.一般疑问句：Do you like English?一般疑问句：Does he like English?否定句：I do not 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。
13、What do you like?,特殊：1.some变为any。如：There are some birds in the tree.There arent any birds in the tree.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 dont have a knife or a ruler.3.a lot of(=lots of)变为many或m
14、uch。如：They have a lot of friends.（可数名词）They dont have many friends.There is lots of orange in the bottle.（不可数名词）There isnt much orange in the bottle.,一、在横线上填上适当的疑问代词1、A:is the boy in blue?B:Hes Mike.2、A:pen is it?B:Its mine.3、A:is the diary?B:Its under the chair.4、A:is the Chirstmas Day?B:Its on the
15、 25th of December.5、A:are the earphones?B:They are 25 yuan.,Who,Whose,Where,When,How much,6、A:is the cup?B:Its blue.7、A:is it today?B:Its Sunday.8、A:was it yesterday?B:It was the 13th of October.9、A:this red one?B:Its beautiful.10、A:is your cousin?B:Hes 15 years old.11、A:do you have dinner?B:At 6 oc
16、lock.,What colour,What day,What day,What about,How old,When,二、把下列句子改为一般疑问句。1.We need some masks.2.They like making the puppet.3.Su Hai and Su Yang live in a new house.4.I put a book on my head.5.They sing“In the classroom”together.6.We play basketball on Sundays.7.Tom likes listening to music.,Do yo
17、u need any masks?,Do they like making the puppet?,Do Su Hai and SuYang live in a new house?,Do you put a book on your head?,Do they sing“In the classroom”together?,Do you play basketball on Sunday?,Does Tom like listening to music?,三、句型转换1.He does well in Maths.(改为否定句)2.Mike runs as fast as Ben.（改为一
18、般疑问句）3.I get up at six thirty every day.（用yesterday morning 替换every day）4.Jim is good at English and Maths.（对画线部分提问）5.Ben runs fast.I run faster.（两句合并为一句）,He doesnt do well in Maths.,Does Mike run as fast as Ben?,I got up at six thirty yesterday.,What is Jim good at?,I run faster than Ben.,6.He is t
19、hirty kilos.（对画线部分提问）7.Turn right at the third crossing.（改为否定句）8.How can I get to the shopping centre?（改同义句）9.Are they American cars?（改为单数）10.Dont go along this street.（改为肯定句）,How many kilos is he?,Dont turn right at the third crossing.,Where is the shopping centre?,Is it American car?,Go along this
20、 street.,11.Give the purse to me.（换一种说法，句意不变）12.The policeman caught the thief.（改问现在进行时）13.I get to the shopping centre by bus.（对画线部分提问）14.It always rains in summer there.（改为一般疑问句，作肯定回答）15.Its cold in winter there.（对画线部分提问）,Give me the purse.,The policeman is catching the thief.,How do I get to the shopping centre?,Dose it always rain in summer there?Yes,it does.,How is it in winter there?,They read English last night.否定句:_一般疑问句：_ _ 肯定/否定回答：_ _ 对划线部分提问：_ _,They didnt read English last night.,Did they read English last night?,Yes,they did./No,they didnt.,What did they do last night?,
