八年級(jí)英語(yǔ)語(yǔ)法點(diǎn)及重點(diǎn)短語(yǔ)(編輯修改稿)
2025-05-03 12:12 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 法） 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 shouldn39。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)態(tài) 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 wasn39。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.感嘆句結(jié)構(gòu)：(1) How + adj. + the + 主語(yǔ) + 謂語(yǔ)動(dòng)詞 =(2) What + (a/an) + [adj.] + n. + 主語(yǔ) + 謂語(yǔ)動(dòng)詞例句：What a beautiful flower [it is]! =How beautiful the flower is! What beautiful flowers [they are]! =How beautiful the flowers are!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))例句：I39。m good at English. He says. (改為加賓語(yǔ)從句的復(fù)合句) He says I39。m good at English.注意：①主句是一般現(xiàn)在時(shí)態(tài)，賓語(yǔ)從句的時(shí)態(tài)不受其影響。 例句：He says I39。m good at English now. He says I was good at mathematics when I was young. ②主句是過(guò)去時(shí)態(tài)，賓語(yǔ)從句也要用過(guò)去時(shí)態(tài)。 例句：He said I was good at mathematics when I was young yesterday. He said I was good at English now yesterday. ③賓語(yǔ)從句是客觀真理時(shí)永遠(yuǎn)用一般現(xiàn)在時(shí)態(tài)。 例句：Our teacher says 24 hours make a day. Our teacher said the sun gives us so many energy yesterday. ④動(dòng)詞原形不能作主語(yǔ)，必須用其 ing 形式。 例句：She said helping others changed her life.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 + [(ma)] + 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：You39。ll have a great time if you go to the party. =If you go to the party, you39。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：①某事從過(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)在造成影響例：我已上了三年初中。 I have been in Junior School for 3 years. 自從那次他與我談過(guò)心后，我天天都在進(jìn)步。 I have been making progress since he talked with me that time.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 haven39。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?注意：瞬間動(dòng)詞不能和一段時(shí)間連用。重點(diǎn)語(yǔ)法：mind [one39。s] doing sth. 介意（某人）做某事重點(diǎn)語(yǔ)法：詢(xún)問(wèn)別人為什么要做或者不做某事 why don39。t you do sth. = why not do sth. 例句：Why don39。t you get her a camera? = Why not get her a camera? what about = how about 例句：How about some tennis balls? = What about some tennis balls?重點(diǎn)語(yǔ)法：現(xiàn)在完成時(shí)態(tài) do/does 的現(xiàn)在完成時(shí)態(tài)形式：(have/has) done do/does 的現(xiàn)在完成時(shí)態(tài)的被動(dòng)語(yǔ)態(tài)：(have/has) been done 現(xiàn)在完成時(shí)態(tài)主要強(qiáng)調(diào)過(guò)去發(fā)生的事情對(duì)現(xiàn)在的影響。例句：我去年去過(guò)美國(guó)，那是我第一次出國(guó)。 I have ever been to America. It39。s the first time for me to go abroad.重點(diǎn)句型短語(yǔ)in five y
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