八種時(shí)態(tài)句子怎樣變一般疑問句和否定句

1、【精品文檔】如有侵權(quán)，請(qǐng)聯(lián)系網(wǎng)站刪除，僅供學(xué)習(xí)與交流八種時(shí)態(tài)句子怎樣變一般疑問句和否定句.精品文檔.八種時(shí)態(tài)句子怎樣變否定句和一般疑問句 時(shí)態(tài)是英語(yǔ)中考的一項(xiàng)至關(guān)重要的考點(diǎn)，廣大初中學(xué)生在實(shí)際運(yùn)用時(shí)，往往對(duì)時(shí)態(tài)總是倍感棘手，下面我們就對(duì)這幾種時(shí)態(tài)句子的否定句和一般疑問句的變形進(jìn)行一些歸納整理。一、一般現(xiàn)在時(shí)：概念：表示經(jīng)常、反復(fù)發(fā)生的動(dòng)作或行為及現(xiàn)在的某種狀況。基本結(jié)構(gòu)：即謂語(yǔ)動(dòng)詞形式：be動(dòng)詞原形；行為動(dòng)詞（原形或“三單”形式）如： 1, I am a student. 2, They get up early. 3, He helps us.助動(dòng)詞：does 和do方法：1，首先觀察句子中

2、的謂語(yǔ)動(dòng)詞是be 動(dòng)詞呢還是行為動(dòng)詞（表示具體動(dòng)作行為的詞 如：play) 2, 變一般問句：Be 動(dòng)詞的話就把be放到句首，若是行為動(dòng)詞就把do放到句首。 注意當(dāng)主語(yǔ)為第三人稱單數(shù)時(shí)，用dose放句首，謂語(yǔ)動(dòng)詞要變回原形。當(dāng)然別忘句末加問號(hào)。 如上面的句子變一般問句分別為： Are you a student? Do they get up early? Does he help us? 3，變否定句時(shí)，如句中有be動(dòng)詞就在be后加not,若是行為動(dòng)詞就在行為動(dòng)詞前加 don't，如主語(yǔ)為第三人稱單數(shù)，則加doesn't，同時(shí)動(dòng)詞變?cè)巍?I am not a student

3、. They don't get up early. He doesn't help us.二、一般過去時(shí)：概念：過去某個(gè)時(shí)間里發(fā)生的動(dòng)作或狀態(tài)；過去習(xí)慣性、經(jīng)常性的動(dòng)作、行為?；窘Y(jié)構(gòu)：be動(dòng)詞（was或were）；行為動(dòng)詞(動(dòng)詞過去式)如： 1，He was a student two years ago. 2，They came back last night.助動(dòng)詞：did 1,變一般問句時(shí)，把was或were放于句首，謂語(yǔ)動(dòng)詞是行為動(dòng)詞時(shí)，就把did 放到句首，動(dòng)詞變回原形。句末加問號(hào)。上例可變?yōu)椋?Was he a student two years ago? Di

4、d they come back last night? 2,變否定句時(shí)，was/were+not;在行為動(dòng)詞前加didn't，同時(shí)還原行為動(dòng)詞。如 上例可變?yōu)椋?He wasn't a student two years. They didn't come back last night.三、現(xiàn)在進(jìn)行時(shí)：概念：表示現(xiàn)階段或說話時(shí)正在進(jìn)行的動(dòng)作及行為?；窘Y(jié)構(gòu)：am/is/are+doing一般疑問句：把be動(dòng)詞放于句首。句末加問號(hào)。變否定句：am/is/are+ not doing.如：He is working now.變成;Is he working now?He

5、 isn't working now.四、過去進(jìn)行時(shí)：概念：表示過去某段時(shí)間或某一時(shí)刻正在發(fā)生或進(jìn)行的行為或動(dòng)作?；窘Y(jié)構(gòu)：was/were+doing變一般疑問句：把was或were放于句首。句末加問號(hào)。變否定句：was/were + not + doing. 如：He was working at that time.變成： Is he working at that time? He wasn't working at that time.五、現(xiàn)在完成時(shí)：概念：過去發(fā)生或已經(jīng)完成的動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果，或從過去已經(jīng)開始，持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)?；窘Y(jié)構(gòu)：have/h

6、as + done助動(dòng)詞：have或has變一般問句：把have或has 放到句首即可，其他不變。句末加問號(hào)。變否定句： 在助動(dòng)詞have或has后面加not 即可，其他不變。如，I have worked .變成： Have you worked? I haven't worked. 六、過去完成時(shí)：概念：以過去某個(gè)時(shí)間為標(biāo)準(zhǔn)，在此以前發(fā)生的動(dòng)作或行為，或在過去某動(dòng)作之前完成的行為，即“過去的過去”。基本結(jié)構(gòu)：had + done.助動(dòng)詞：had一般疑問句：had放到句首，句末加問號(hào)。變否定句： had + not 即可。如： You had worked long before.變

7、成： Had you worked long before ? You hadn't worked long before.七、一般將來(lái)時(shí)：概念：表示將要發(fā)生的動(dòng)作或存在的狀態(tài)及打算、計(jì)劃或準(zhǔn)備做某事。基本結(jié)構(gòu)：am/is/are/going to + 動(dòng)原；will/shall + 動(dòng)原助動(dòng)詞：will或shall 變一般問句時(shí)：有will或者shall就把他們放到句首，be going to 句型則把 be 放到句首，句末加問號(hào)。 變否定句時(shí)： 在will或shall 后加not(有will或shall時(shí)）或者在be 之后加not. 如：He is going to work .

8、You will work . 可變?yōu)?Is he going to work? He isn't going to work. Will you work? You will not work.八、過去將來(lái)時(shí)：概念：立足于過去某一時(shí)刻，從過去看將來(lái)，將要去做的事情。常用于賓語(yǔ)從句中?；窘Y(jié)構(gòu)：was/were/going to + 動(dòng)原；would/should + 動(dòng)原.助動(dòng)詞：would或should變一般問句時(shí)： 在was /were going to 結(jié)構(gòu)中把was或were放到句首。有would或should 則把它們放到句首。句末加問號(hào)。變否定句時(shí)： 在was /were

9、 going to 結(jié)構(gòu)中就在他們之后加not 即可，有would或 Should的，則在它們之后加not 即可。 如：He was going to play soccer. We would tell them . 分別可變?yōu)椋?1, Was he going to play soccer? He wasn't going to play Soccer. 2, Would you tell them? We wouldn't tell them.重要補(bǔ)充1：在句子中如果有情態(tài)動(dòng)詞的話，比如說有can ,could ,may might ,must should等。變一般問句就把這些詞放到句首，句末后加問號(hào)，變否定句時(shí)，則 在這些詞之后加not 即可。如 I can sing . Can you sing? I can't sing.重要補(bǔ)充2： 特殊疑問句= 特殊疑問詞 + 一般疑問句 如： How much is it?練習(xí): 把下面的句子變成一般疑問句和否定句： 1,He goes to school everyday._ 2,They work there_3,He worked in the hospital. _4,He was 10 years old. _5 ,He is cooking._ 6, They were