高三英語(yǔ)語(yǔ)法知識(shí)點(diǎn)精選【5篇】

1、高三英語(yǔ)語(yǔ)法知識(shí)點(diǎn)2021精選5篇英語(yǔ)是我們學(xué)習(xí)的主要科目之一，英語(yǔ)作為國(guó)際性語(yǔ)言，學(xué)好英 語(yǔ)自然有許多好處。學(xué)習(xí)英語(yǔ)要從最基礎(chǔ)的學(xué)問(wèn)開(kāi)頭學(xué)，而且需要端 正學(xué)習(xí)態(tài)度，由于學(xué)習(xí)外語(yǔ)需要堅(jiān)持。下面就是我給大家?guī)?lái)的高三 英語(yǔ)語(yǔ)法學(xué)問(wèn)點(diǎn)，盼望能關(guān)心到大家！高三英語(yǔ)語(yǔ)法學(xué)問(wèn)點(diǎn)1重點(diǎn)句型It was +時(shí)間段+before.過(guò)了多久才（怎么樣）It was not long before.不久，就It will （not） be +時(shí)間段+before.要過(guò)多久（不久）才.（before從句謂語(yǔ)動(dòng)詞要用一般時(shí)態(tài)）例句It was not long before he sensed the danger

2、of the position.不久他就意識(shí)到他境況的危急。It was five days before he came back.五天后他才回 來(lái)。Itwillbehalfa year before you graduatefromthe school.再過(guò)半年你才能畢業(yè)。Itwillnotbelong before they understandeachother.他們也許不久就會(huì)相互了解。in case of.（+n.）以防;萬(wàn)一；in case that以防，萬(wàn)一(謂語(yǔ)動(dòng)詞用一般現(xiàn)在時(shí)態(tài)或 should+動(dòng)詞原形)例句In case of fire, what should we d

3、o?Please remind me about it in case I forget/should forget.萬(wàn)一我忘了，請(qǐng)?zhí)崾疚?。In case (that) John comes/should come, please tell him to wait.Please take your umbrella in case (that it rains/should rain).帶上雨傘，以防下雨。高三英語(yǔ)語(yǔ)法學(xué)問(wèn)點(diǎn)2一、不定式做主語(yǔ)：1、不定式做主語(yǔ)一般表示詳細(xì)的某次動(dòng)作。動(dòng)名詞doing表示 習(xí)慣的，常常的動(dòng)作。e.g:Tofinishthebuildinginamonthisdi

4、fficult.Todosuchthingsisfoolish.Toseeistobelieve.(對(duì)等)注:1).不定式作主語(yǔ)時(shí)，謂語(yǔ)用單數(shù)2).當(dāng)主語(yǔ)較長(zhǎng)，謂語(yǔ)較短時(shí)，常用it做形式主語(yǔ)，而將不定式放 到謂語(yǔ)的后面。it做形式主語(yǔ)，不定式放在謂語(yǔ)動(dòng)詞之后常用于以下結(jié)構(gòu)中： (l)ltis/was+adj.+ofsb.todo.(2)ltis+adj.+forsb.+todo.Itiseasy/difficult/hard/foolish/unwise/right/wrong/unnecessary (3)itis+a+名詞+todo.Itisapity/apleasure/apleasan

5、tthing/onesduty/anhonor/ashame/acrime/ noeasyjob.todolttakes(sb.)sometime/courage/patience.todo.Itrequirescourage/patience/hardwork.todo.留意:probable和possible均可作表語(yǔ)，但possible可以用不定式 作真實(shí)主語(yǔ)，而probable不能用不定式作真實(shí)主語(yǔ)。Itisprobableforhimtocometothemeeting.(錯(cuò))Itispossibleforhimtocometothemeeting.Itispossible/prob

6、ablethathewillcometothemeeting.高三英語(yǔ)語(yǔ)法學(xué)問(wèn)點(diǎn)31、所謂雙重全部格就是指將-s全部格與of全部格結(jié)合 起來(lái)一起使用：afriendofmyfathers我父親的一位伴侶aphotoofMrSmiths史密斯先生的一張照片2、雙重全部格的使用場(chǎng)合：當(dāng)被修飾名詞前有指示代詞、疑問(wèn)代詞、不定代詞或數(shù)詞等 限定詞時(shí)，一般要用雙重全部格：I dont like that big nose of Davids.我不喜愛(ài)大衛(wèi)的 那個(gè)大鼻子。Which novel of Dickens are you referring to?你談的 是狄更斯的哪部小說(shuō)？Some frien

7、ds of my brothers will come.我兄弟的 些伴侶要來(lái)?！咀ⅰ勘浑p重全部格修飾名詞前有指示代詞時(shí)，通常帶有肯定的 感情顏色（如欣賞、不滿(mǎn)、厭惡等）：That little daughter of your cousins is really a dear. 你表哥的那個(gè)小女兒真是逗人愛(ài)。（表欣賞）That daughter of your cousins is constantly complaining.你表哥的那個(gè)女兒老是在報(bào)怨。（表厭惡）另外，被雙重全部格修飾的名詞前可以用不定冠詞，但通常不用 定冠詞：可以說(shuō)：a poem of Shellys, a novel o

8、f Dickens;不能說(shuō)：the poem of Shellys, the novel of Dickens;有時(shí)既可用雙重全部格也可用of全部格，但含義稍有差異。 比擬：a photo of Marys 瑪麗保藏的一張照片a photo of Mary 瑪麗照的一張照片a criticism of Williams威廉提出的批判a criticism of W川iam 對(duì)威廉的批判 高三英語(yǔ)語(yǔ)法學(xué)問(wèn)點(diǎn)4 一般現(xiàn)在時(shí)：am /is /are +及物動(dòng)詞的過(guò)去分詞；例：i am asked to the party today.(2) 一般過(guò)去時(shí)：was /were+及物動(dòng)詞的過(guò)去分詞；彳列：

9、i was asked to the party last night.(3)現(xiàn)在進(jìn)行時(shí)：am /is /are being +及物動(dòng)詞的過(guò)去分詞; 彳列：i am being asked to the party today.(4)過(guò)去進(jìn)行時(shí)：was /were being +及物動(dòng)詞的過(guò)去分詞； 彳列：i was being asked to the party that time.(5)一般將來(lái)時(shí)：助動(dòng)詞w川+be +及物動(dòng)詞的過(guò)去分詞；或：am /is /are going to +be +及物動(dòng)詞的過(guò)去分詞；例：iwillbe askedtothe party tomorrow.例：

10、iamgoing tobeasked to the partytomorrow.過(guò)去將來(lái)時(shí)：助動(dòng)詞would +be +及物動(dòng)詞的過(guò)去分詞； 或：was /were going to +be +及物動(dòng)詞的過(guò)去分詞； 彳列：i would be asked to the party the next day.例：i was going to be asked to the party the next day.(7)現(xiàn)在完成時(shí)：助動(dòng)詞has /have +been +及物動(dòng)詞的過(guò)去分 詞；彳列：ihasbeenaskedtothepartytoday.(8)過(guò)去完成時(shí)：助動(dòng)詞had +been

11、+及物動(dòng)詞的過(guò)去分詞； 例：ihadbeenaskedtothepartythe daybefore.另外,含有情態(tài)動(dòng)詞的被動(dòng)語(yǔ)態(tài)構(gòu)成為：情態(tài)動(dòng)詞+助動(dòng)詞be + 及物動(dòng)詞的過(guò)去分詞.彳列：i may be asked to the party today.高三英語(yǔ)語(yǔ)法學(xué)問(wèn)點(diǎn)5It的用法l、lt除了代替人和物以外，還可以作形式主語(yǔ).而真正的主語(yǔ)(不定 式、動(dòng)名詞或從句)那么放于謂語(yǔ)或表語(yǔ)之后.例如：It is nor easy to finish the work in two days.然而有少數(shù)表語(yǔ)之后接動(dòng)名詞作真正的主語(yǔ).這些表語(yǔ)是：無(wú)助 (no help)、無(wú)用(no use) 沒(méi)好處

12、(no good);工作(hard work) 費(fèi) 時(shí)(a waste of time) 又危急(a danger).例如： A、It is no use crying over spilt milk.B It is a waste of time waiting for him.2、It還可以作形式賓語(yǔ).通常以下動(dòng)詞后面可接it作形式賓語(yǔ)： 2f2tcjm(find,feel,think,take,consider,judge, make).例如：A、He made it clear that he was not interested in this subject.B I think it no use arguing with him.3、It用于強(qiáng)調(diào)句式.要強(qiáng)調(diào)句子的某一局部(主語(yǔ)、賓語(yǔ)、狀語(yǔ)), 可以把it當(dāng)作先行詞.這種句子的結(jié)構(gòu)是：It is(was)+被強(qiáng)調(diào)局部 +that(who)+句子的其余局部.例 如：A、It iS Professor Lin who teaches usEnglish（強(qiáng)調(diào)主語(yǔ)）B It was in Shanghai that I saw th