八上英語知識點總結人教版

  英語作為一門基礎課程,八年級上冊的知識點你都理解了嗎?下面小編給你分享,歡迎閱讀。

  ***一***

  1. 形容詞/副詞的比較級和最高階的構成規則

  ***1***單音節詞和少數以-er,-ow結尾的雙音節單詞,比較級在後面加-er,最高階在後面加-est。

  ① 單音節單詞

  small→smaller→smallest

  short→shorter→shortest

  tall→taller→tallest

  great→greater→greatest

  ② 少數以-er,-ow結尾的雙音節單詞

  clever→cleverer→cleverest

  narrow→narrower→narrowest

  ***2***以不發音e結尾的單音節單詞,比較級在原形後加-r,最高階在原級後加-st。

  large→larger→largest

  nice→nicer→nicest

  able→abler→ablest

  ***3***以一個子音字母結尾的閉音節***即:子音+母音+子音***單詞中,先雙寫末尾的子音字母,比較級加-er,最高階加-est。

  big→bigger→biggest

  hot→hotter→hottest

  fat→fatter→fattest

  ***4***以“子音字母+y”結尾的雙音節詞, 把y改為i,比較級加-er,最高階加-est。

  easy→easier→easiest

  heavy→heavier→heaviest

  busy→busier→busiest

  happy→happier→happiest

  ***5***其他雙音節詞和多音節詞,比較級在前面加more,最高階在前面加most。

  beautiful→more beautiful→most beautiful

  different→more different→most different

  easily→more easily→most easily

  ***6***有少數形容詞、副詞的比較級和最高階是不規則的,必須熟記。

  good→better→best

  well→better→best

  bad→worse→worst

  ill→worse→worst

  old→older/elder→oldest/eldest

  many/much→more→most

  little→less→least

  far →further/farther→ furthest/farthest

  2. 形容詞和副詞比較級的用法

  ***1***“甲+be+***倍數***+形容詞比較級+than+乙”表示“甲比乙…”或“甲比乙…幾倍”。

  Tom is taller than Kate.

  湯姆比凱特高。

  This room is three times bigger than that one.

  這個房間比那個大三倍。

  ***2***“甲+實意動詞+***倍數***+副詞比較級+than+乙”表示“甲比乙…”或“甲比乙…幾倍”。

  I got up earlier than my mother this morning.

  我今天早晨起床比我媽媽還早。

  He runs three times faster than his brother.

  他跑的速度比他弟弟快三倍。

  3. 形容詞和副詞最高階的用法

  ***1***“主語+be+the+形容詞最高階***+單數名詞***+in/of...”表示“……是……中最……的”。

  Tom is the tallest in his class./of all the students.

  湯姆是他們班上/所有學生當中最高的。

  This apple is the biggest of the five.

  這個蘋果是五個當中最大的。

  ***2***“主語+實意動詞+***the***+副詞最高階+in/of...”表示“……是……中最……的”。

  I jump ***the*** farthest in my class.

  我是我們班跳得最遠的。

  ***二***

  現在完成時:

  1.表示過去發生的動作對現在造成的影響,或結果,常與recently, ever, never,already,yet ,just,before still連用;

  2.表示發生在過去並且一直持續到現在的動作或狀態,常與for+時間段或since+時間點連用。

  結構:have***has***+過去分詞,

  get into=enter進入, what's the price of …=how much is …問價格

  dream about夢到, dream of 夢見,

  around the world=all over the world全世界,

  stay with sb.與某人呆一起,stay at home呆在家裡,

  stay in bed呆在床上 ,walk to =go to…on foot步行去

  take off 脫下,起飛, land on/in /at 著路,

  all over China,全中國, take a seat =have a seat請坐 ,

  come ture實現, fly to =go to ...by plane***by air***,坐飛機

  drive to =go to …by car開車,at the end of在…盡頭/結尾

  sell out 賣光, at the end 在結束時,

  have been to去過***現在不在那兒*** ,have gone to 去了***現在不在說話地***

  everyday English日常英語, first price一等獎,

  The most exciting experience最激動人心的經歷,before long不久,

  long before=soon=a little later很久以前,no problem沒問題,

  have a problem in doing sth.做某事有困難, work out a problem解決一個問題,

  invite sb to do sth.,邀請某人做某事, invite sb to some place邀請某人去某地,

  one day,某一天,***過去或將來***,some day某一天***將來*** ,

  連繫動詞,一是be ***am, is ,are ,was ,were,***一感覺feel ,一保持keep,三變become, get turn,

  四起來taste ,smell , look, sound,後跟形容詞作表語。

  不定代詞:somebody, some one某人,anybody,anyone任何人nobody,no one,沒人everyone,everybody每個人,something某物 ,anything任何物,nothing沒事,everything一切事物,修飾他們的形容詞放後。

  different kinds of =all kinds of 不同種類的,各種各樣的,

  by the end of 到…末為止,不遲於

  give a concert=give concerts舉辦音樂會

  in the end =finally最後,終於,

  take a photo=take photos照相, cook sth for sb.=cook sb.sth. 為某人做飯buy,make

  such+a /an +adj+單數名詞=so +adj+a/an+單數名詞 ***名前such,形副so,多多少少也用so,little屬特殊,“小”用such,少用so.***

  交通工具的乘坐,take the***a*** +交通工具to , =go...by+交通工具=go...on /in+a***the***+交通工具***小汽車只能用in ,其餘的可用in ,on***;

  walk to some where=go to...on foot; fly to somewhere.=go ....by plane

  ride to somewhere=go...by bike, drive to somewhere=go to by car,

  a kind of一種 , be kind to sb對某人友善 since then從那時起,

  take off 脫下,起飛,請假, reckon=consider =regard =think考慮,認為,

  be reckoned ***to be*** ,被以為,reckon....as... 相當於

  regard ...as...把當成,in the photo,在照片裡

  go abroad,出國,be abroad,在國外,travel abroad,到國外旅行

  sell out,賣光, sell to , 賣給某人, sell well賣得好 ,

  四個也:also,肯定,行前be 後;too肯定,句末;either,否定,句末;as well,肯定,句末。

  go to sleep,去睡覺, the price of,....的價格,形容價格用high,low。

  sell sth at a high price,以高價出售, sell sth at a low price,以低價出售。

  yet ,用於完成時態的否定句和疑問句中;have a wonderful time 玩得高興,

  would like to do sth=want to do sth,想要做某事

  would like sb. to do sth=wat sb to do sth想要某人做某事

  ***三***

  1.on earth ,究竟,到底,可用在when ,what,who,where,how ,which,why 等之後,相當於in the world,用在否定句中相當於not ...at all;

  2.a fan of ...的迷, give a concert =give concerts,舉行音樂會

  3.be famous for ,因..而著名***後+人或物某方面的特點,特長***

  be famous as ,作為...而聞名***後+身份職業***

  4.at the age of =when sb.was...years old, 在...歲的時候

  5.not only....but also..不僅..而且***就近原則***上 classical music,古典音樂

  6.belong to ,屬於;sth belong to sb. 物屬於人

  7.across ,從一定範圍內的一邊到另一邊,表面進行;through,從中間通過或穿過,裡面進行;over上方通過,不接觸表面

  8.hear of 聽說, be born出生

  9.I'm ***not*** sure我***不***確定

  10.make sb.+adj使某人怎麼樣, make sb. do sth. 使某人做某事

  11.take sb. around帶人四處走走, a piece of music一首樂曲,

  12.in addition to 除...以外

  13.go on with sth.=go on doing sth.繼續做某事,

  14.die of 患..而死,常接hunger, cold,illness,cancer內部原因

  15.die from由於..,而死,常接a wound ,anaccident,carelessness外部原因

  16.learn to do sth學做某事, learn from sb.向某人學習,

  17.Learn...by heart熟記,背誦, learn one'slesson from...從... 中吸取教訓,

  18.give sb.sth=give sth.to sb. 給某人某物;give in投降,

  give up doing sth 放棄, give out 分發,

  give a way to 對...讓步, on the earth在地球上,

  19.both....and既....又..... 就近原則;neither....nor既不....又不,就近原則

  either...or要麼....要麼.there be, notonly...but also就近原則

  20.may be可能是. maybe=perhaps大概,也許

  21.In addition to ..除...以外***還有*** =besides, but 除..之外,,常與否定意義詞連用,當but前有do時but後接原形, except,除....之外***不包括***

  22.on holiday度假, part time job,一份兼職工作

  23.on one's own獨自, be led by由....帶領

  反意疑問句:

  1.先斷"定",判斷是否定或肯定.

  如有not ,never, few,little, hardly, no ,nobody,seldom,nothing等詞,則是否定,後面該用肯定。

  2.後找"動",觀察前面的動詞,若含有或情態動詞直接用,若為實義動詞原形,用do,三單用does,過去式用did, had better用had。

  3.換代,主語定代詞,三單用he ,she ,it ,複用they we ; somebody, nobody 類似的用they,和thing一起的用

  4.肯定祈使句,反問句部分可用will you /won't you ?否定祈使句,用will you ?

  5.Let's...用shall we? let us....用will you?,

  6.在think,believe,suppose+從句結構中,疑問句部分與從句保持一致,同時主句的否定轉移到從句中;但第二,三人稱與主句保持一致:I don't think youhave done it ,have you? /He doesn't think you have done it ,does he?即:當主句人稱是一,從句是二時,看二;當主句是三時,就看三。

  7.回答只針對事實作答;Yes+肯定,No+否定