国产成人v爽在线免播放观看,日韩欧美色,久久99国产精品久久99软件,亚洲综合色网站,国产欧美日韩中文久久,色99在线,亚洲伦理一区二区

學(xué)習(xí)啦 > 學(xué)習(xí)方法 > 初中學(xué)習(xí)方法 > 初二學(xué)習(xí)方法 > 八年級(jí)英語(yǔ) >

初二英語(yǔ)下冊(cè)的重點(diǎn)語(yǔ)法

時(shí)間: 於寶21274 分享

  寒假,必然還是要預(yù)習(xí)下下學(xué)期的新課內(nèi)容的~~小編整理了初二下冊(cè)的重點(diǎn)語(yǔ)法內(nèi)容,可以提前看看~抓住寒假學(xué)英語(yǔ),開(kāi)學(xué)快人一步!

  重點(diǎn)語(yǔ)法

  一般將來(lái)時(shí)態(tài)的應(yīng)用

  do/does 的一般將來(lái)時(shí)態(tài)形式:(shall/will) do

  do/does 的一般將來(lái)時(shí)態(tài)的被動(dòng)語(yǔ)態(tài):(shall/will) be done

  一般將來(lái)時(shí)態(tài)的肯定句、否定句、疑問(wèn)句形式:

  肯定句例句:People will have robots in a few years.

  否定句例句:People (will not/won't) have robots in a few years.

  一般疑問(wèn)句例句:Will people have robots in a few years?

  特殊疑問(wèn)句例句:What will people have in a few years?

  重點(diǎn)語(yǔ)法

  過(guò)去將來(lái)時(shí)

  一、過(guò)去將來(lái)時(shí)的結(jié)構(gòu)

  should/would+動(dòng)詞原形

  do/does 的過(guò)去將來(lái)時(shí)態(tài)形式:(should/would) do

  do/does的過(guò)去將來(lái)時(shí)態(tài)的被動(dòng)語(yǔ)態(tài):(should/would) be done

  過(guò)去將來(lái)時(shí)態(tài)的肯定句、否定句、疑問(wèn)句形式:

  肯定句例句:You should write a letter to him.

  否定句例句:You shouldn't write a letter to him.

  一般疑問(wèn)句例句:Should I write a letter to him?

  特殊疑問(wèn)句例句:What should I do?

  重點(diǎn)語(yǔ)法

  過(guò)去進(jìn)行時(shí)

  do/does 的過(guò)去進(jìn)行時(shí)態(tài)形式:(was/were) doing

  do/does 的過(guò)去進(jìn)行時(shí)態(tài)的被動(dòng)語(yǔ)態(tài):(was/were) being done

  過(guò)去將來(lái)時(shí)態(tài)的肯定句、否定句和疑問(wèn)句形式:

  肯定句例句:I was walking down the street when a UFO landed.

  否定句例句:I wasn't walking down the street when a UFO landed.

  一般疑問(wèn)句例句:Were you walking down the street when a UFO landed?

  特殊疑問(wèn)句例句:What were you doing when a UFO landed?

  動(dòng)詞 when 和 while 的選擇:when 后加瞬間動(dòng)詞,while 后加延續(xù)性動(dòng)詞。

  例句:The boy was walking down the street when the UFO landed.

  =While the boy was walking down the street, the UFO landed.

  重點(diǎn)語(yǔ)法

  賓語(yǔ)從句

  結(jié)構(gòu):主語(yǔ) + 謂語(yǔ)動(dòng)詞 + 賓語(yǔ)從句(主語(yǔ) + 謂語(yǔ)動(dòng)詞 + 賓語(yǔ)/表語(yǔ))

  1、引導(dǎo)名詞性從句的連接詞

  (1)that:沒(méi)有含義,在賓語(yǔ)從句中不做成分

  (2)whether/if:表示是否,賓語(yǔ)從句中不做成分。

  I don't know if /whether he still lives here after so many years. 我不知道這么多年后,他是否還住在這里。

  (3)連接代詞:what, which, who, whom, whose(在賓語(yǔ)從句中做主、賓、表和定語(yǔ))

  連接副詞:where, when, how, why(在賓語(yǔ)從句中做狀語(yǔ))

  2、在做賓語(yǔ)從句的題目時(shí)應(yīng)注意時(shí)態(tài)

  (1)當(dāng)主句是現(xiàn)在時(shí)態(tài)時(shí),賓語(yǔ)從句可以根據(jù)需要使用任何時(shí)態(tài)。

  He tells me that his sister came back yesterday.他告訴我他姐姐昨天回來(lái)了。

  (2)當(dāng)主句是過(guò)去時(shí)態(tài)時(shí),賓語(yǔ)從句必須是一種過(guò)去的時(shí)態(tài)。

  She asked me if I knew whose pen it was.她問(wèn)我是否知道這是誰(shuí)的鋼筆。

  (3)當(dāng)表示客觀事實(shí)或普遍真理的句子做賓語(yǔ)從句時(shí),任何時(shí)候都用一般現(xiàn)在時(shí)。

  The teacher said that the earth goes round the sun.老師說(shuō)過(guò)地球繞著太陽(yáng)轉(zhuǎn)。

  重點(diǎn)語(yǔ)法

  if 引導(dǎo)的條件狀語(yǔ)從句

  結(jié)構(gòu):主句 + if + 條件狀語(yǔ)從句

  if + 條件狀語(yǔ)從句 + [(comma)] + 主句

  注意:

  在 if 引導(dǎo)的條件狀語(yǔ)從句中,主句應(yīng)用將來(lái)時(shí)態(tài),狀語(yǔ)從句用一般現(xiàn)在時(shí)態(tài)。

  例句:You'll have a great time if you go to the party.

  =If you go to the party, you'll have a great time.

  重點(diǎn)語(yǔ)法

  現(xiàn)在完成進(jìn)行時(shí)態(tài)

  do/does 的現(xiàn)在完成進(jìn)行時(shí)態(tài)形式:have/has been doing

  do/does 的現(xiàn)在完成進(jìn)行時(shí)態(tài)的被動(dòng)語(yǔ)態(tài):have/has been being done

  現(xiàn)在完成進(jìn)行時(shí)態(tài)所應(yīng)用的場(chǎng)合:

 ?、倌呈聫倪^(guò)去發(fā)生一直持續(xù)到現(xiàn)在都在做

  ②過(guò)去發(fā)生的動(dòng)作對(duì)現(xiàn)在造成影響

  I have been making progress since he talked with me that time.自從那次他與我談過(guò)心后,我天天都在進(jìn)步。

  現(xiàn)在完成進(jìn)行時(shí)態(tài)的肯定句、否定句和疑問(wèn)句形式:

  肯定句例句:I have been skating for five hours.

  否定句例句:I haven't been skating for five hours.

  一般疑問(wèn)句例句:Have you been skating for five hours?

  特殊疑問(wèn)句例句:How long have you been skating?

  重點(diǎn)語(yǔ)法

  現(xiàn)在完成時(shí)

  一、現(xiàn)在完成時(shí)的結(jié)構(gòu)

  主語(yǔ) + have/has + 過(guò)去分詞 + 其他.(當(dāng)主語(yǔ)是第三人稱單數(shù)時(shí)用has,其余人稱用have.)

  否定式:主語(yǔ) + haven't/hasn't + 過(guò)去分詞 + 其他.

  疑問(wèn)式: Have /Has + 主語(yǔ) + 過(guò)去分詞 + 其他?

  簡(jiǎn)略答語(yǔ): Yes, 主語(yǔ) + have/has.(肯定)

  No, 主語(yǔ) + haven't/hasn't.(否定)

  二、現(xiàn)在完成時(shí)用法、定義詳細(xì)講解

  1、表示過(guò)去所發(fā)生的動(dòng)作或事情對(duì)現(xiàn)在的影響或產(chǎn)生的結(jié)果,著眼點(diǎn)在現(xiàn)在,主要強(qiáng)調(diào)過(guò)去發(fā)生的事情對(duì)現(xiàn)在的影響。

  He has lost his wallet.他的錢包丟了。

  We’ve had too much rain this year.今年雨水太多。

  2、表示一個(gè)從過(guò)去某個(gè)時(shí)間開(kāi)始,延續(xù)到現(xiàn)在,并可能延續(xù)下去的動(dòng)作。

  He has worked here for over twenty years.他在這里工作已有20多年了。

  3、表示說(shuō)話前發(fā)生過(guò)一次或多次的動(dòng)作,現(xiàn)在成為一種經(jīng)驗(yàn),一般譯為漢語(yǔ)“過(guò)”,常帶有twice, ever, never, three times等時(shí)間狀語(yǔ)。

  I have been to Beijing twice.我去過(guò)北京兩次。

  重點(diǎn)語(yǔ)法

  反意疑問(wèn)句

  反意疑問(wèn)句由肯定陳述句加否定問(wèn)句構(gòu)成,或者由否定陳述句加肯定問(wèn)句構(gòu)成。

  He's a student, isn't he?

  She's not his mother, is she?

  回答反意疑問(wèn)句時(shí),要根據(jù)事實(shí)來(lái)回答。若事實(shí)是肯定的,則必須用 yes 回答。若事實(shí)是否定的,則必須用 no 回答。

  ---You're not ready, are you?你還沒(méi)有準(zhǔn)備好,對(duì)吧?

  ---No, I'm not.是的,我沒(méi)有準(zhǔn)備好。

  ---Yes, I am.不,我準(zhǔn)備好了。

192480