小學(xué)英語語法：陳述句變一般疑問句

1、Welcome to English class.,歡迎進(jìn)入英語直播間,課前準(zhǔn)備 課前準(zhǔn)備：筆，本， 四年級(jí)下冊(cè)英語書,陳述句變一般疑問句,中文解釋什么是一般疑問句,1.你吃飯了嗎？ 肯定回答： 2.他睡覺了嗎？ 否定回答： 3.他們吃蘋果嗎？ 肯定回答： 4.你今天有課外作業(yè)嗎？ 肯定回答： 5.你玩的開心嗎？ 否定回答： 6.我能吃冰激凌嗎？ 肯定回答：,是的，我吃了,不，他沒睡,是的，他們吃,是的，我有,不，我不開心,是的，你能,如果有人問你，你今年是九歲嗎，你會(huì)怎么回答？ 你一定會(huì)說，是或者不是。 這種只回答“是”或者“不是”的問句，在英語就叫做一般疑問句。,一般疑問句,陳述句變一般疑

2、問句，要分幾種情況？,1）含有am ,is, are(be動(dòng)詞） 2）含有情態(tài)動(dòng)詞can,will,must,should 3）沒有be動(dòng)詞和情態(tài)動(dòng)詞的,1）含有am ,is, are的陳述句變 一般疑問句,肯定句,It is a bag.,一般疑問句,Is it a bag?,That is a pen.,Is that a pen?,Jim is six.,Is Jim six?,Yes, it is.,No, it isnt.,肯定回答,否定回答,Yes, it is.,No, it isnt.,肯定回答,否定回答,Yes, he is.,No, he isnt.,肯定回答,否定回答,肯

3、定句,They are kind.,一般疑問句,Are they kind?,I am happy.,Are you happy?,We are friends.,Are you friend?,肯定回答：,否定回答：,Yes, they are.,No, they arent.,Yes, I am.,No, I am not.,Yes, we are.,No, we arent.,口訣：一提二換三照抄 一提：將be動(dòng)詞提到句首； 二換：將第一人稱換成第二人稱； 三照抄：陳述句剩下的都照抄,1. I am from Canada. _ _ from Canada? 肯定回答：_, _ 否定回答

4、：_, _ 2. She is looking for her dog. _ she _ for her dog? 肯定回答：_, _ 否定回答：_, _,Are you,Yes I am,No I m not,Is,looking,Yes she is,No she isnt,肯定句,一般疑問句 肯回， 否回,1. I am tall.,_,2. We are strong.,_,3. This is a ship.,_,_,4. Sam is a dog.,_,5. Jim and Mary are sad.,Yes , I am. No, I am not.,Are you strong

5、?,Yes , we are. No, we arent.,Is this a ship?,Yes , it is. No, it isnt.,Is Sam a dog?,Yes , it is. No, it isnt.,Are Jim and May sad?,Yes , they are. No, they arent.,Welcome to English class.,歡迎進(jìn)入英語直播間,陳述句變一般疑問句,陳述句變一般疑問句，要分幾種情況？,1）含有am ,is, are(be動(dòng)詞） 2）含有情態(tài)動(dòng)詞can,will,must,should 3）沒有be動(dòng)詞和情態(tài)動(dòng)詞的,1）含有a

6、m ,is, are的陳述句變 一般疑問句,把a(bǔ)m,is,are提到句子開頭，剩下照抄，末尾變問號(hào)。,肯定句,一般疑問句,1. This is a ruler.,_,2. Xu Chang is in grade 4.,_,3. They are reading books.,_,_,4. I am tired.,Yes , it is. No, it isnt.,Is this a ruler?,Is Xu Chang in grade 4 ?,Yes , she is . No, she isnt.,Are they reading books ?,Yes , they are. No,

7、they arent.,Are you tired?,Yes , I am. No, Im not.,2）含有情態(tài)動(dòng)詞can,will,must,should,把情態(tài)動(dòng)詞提到句子開頭，剩下照抄，末尾變問號(hào)。,肯定句,I can swim.,一般疑問句,Can you swim?,Tom can skate.,Can Tom skate?,肯定回答：,否定回答：,Yes, I can.,No, I cant.,肯定回答：,否定回答：,Yes, he can.,No, he cant.,They can ride.,Can they ride?,肯定回答：,否定回答：,Yes, they can.

8、,No, they cant.,口訣：一提二換三照抄 一提：將情態(tài)動(dòng)詞提到句首； 二換：將第一人稱換成第二人稱； 三照抄：陳述句剩下的都照抄,例1: I can sing songs. Step1由情態(tài)動(dòng)詞引導(dǎo)的一般疑問句: Can Step2: Can you Step3: Can you sing songs?,肯定句,一般疑問句 肯回， 否回,1. Sam can swim.,_,2. Mary can skip.,_,3. They will go shopping.,_,_,4. I can dance.,Yes , he can. No, he cant.,Can Sam swim

9、?,Can Mary skip?,Yes , she can. No, she cant.,Will they go shopping?,Yes , they will. No, they wont.,Can you dance?,Yes , I can. No, I cant.,如何將一個(gè)肯定的陳述句改為一般疑問句,秘訣一：找be動(dòng)詞或情態(tài)動(dòng)詞,看句中有無be動(dòng)詞或情態(tài)動(dòng)詞，如有，把be動(dòng)詞或情態(tài)動(dòng)詞提到句首即可。,如果原句子沒有be動(dòng)詞也沒有情態(tài)動(dòng)詞， 怎么辦？,陳述句變一般疑問句，要分幾種情況？,3）沒有be動(dòng)詞和情態(tài)動(dòng)詞的,助動(dòng)詞（ do/does） + 主語 + 動(dòng)詞原形 + 其它？

10、,不管用哪種秘訣，都不要忘記在句子最后打上哦！,秘訣二：請(qǐng)助動(dòng)詞來幫忙,即在句子前加助動(dòng)詞do或does來構(gòu)成一般疑問句,例：John likes summer best.,John like summer best?,打回原形,Does,例：They like fruit.,Do,they like fruit?,肯定句,I like salad.,一般疑問句,Do you like salad?,We like running.,Do you like running?,肯定回答：,否定回答：,Yes, I do.,No, I dont.,肯定回答：,否定回答：,Yes, we do.,N

11、o, we dont.,They like apples.,Do they like apples?,肯定回答：,否定回答：,Yes, they do.,No, they dont.,(do),(do),(do),肯定句,He reads books every day.,一般疑問句,Does he read books every day ?,She likes swimming.,Does she like swimming?,肯定回答：,否定回答：,Yes, he does.,No, he doesnt.,肯定回答：,否定回答：,Yes, she does.,No, she doesnt

12、.,(does),(does),口訣：一選二提三換四照抄 一選：根據(jù)陳述句動(dòng)詞時(shí)態(tài)選擇助動(dòng)詞； 二提：將選好的助動(dòng)詞提到句首； 三換：第一人稱換第二人稱, 動(dòng)詞換回原形。 四照抄: 陳述句剩余部分照抄,例1: I like eating apples. Step1: like是動(dòng)詞原形，故選do Step2: do Step3: do you like(I 變you) Step4: do you like eating apples?,例3: He loves his mother. Step1: loves是第三人稱單數(shù)，故選does Step2: does Step3: does he l

13、ove (loves 變?cè)蝜ove) Step4: does he love his mother?,肯定句,一般疑問句 肯回， 否回,1. I like singing.,_,2. We like reading.,_,3.They like fish.,_,_,Yes , I do. No, I dont.,Do you like singing?,Do you like reading?,Yes , we do. No, we dont.,Do they like fish?,Yes , they do. No, they dont.,Does Mary like meat?,Yes

14、,she does. No, she doesnt.,4. Mary likes meat.,歸 納:,肯定句 一般疑問句句 1.be動(dòng)詞 把be動(dòng)詞提前 2.Can等情態(tài)動(dòng)詞 把can 提前 3.沒有be和情態(tài)動(dòng)詞 把助動(dòng)詞do（does）提前,More practice,His mother is a teacher. _ The cat can catch a mouse._ They can swim. _ I like to read English. _ He can sing a song. _ She likes to eat cake. _ They are in the park. _ She is in Beijing