英語語法的知識(shí)點(diǎn)2021
上學(xué)的時(shí)候，大家對(duì)知識(shí)點(diǎn)應(yīng)該都不陌生吧？知識(shí)點(diǎn)在教育實(shí)踐中，是指對(duì)某一個(gè)知識(shí)的泛稱。哪些知識(shí)點(diǎn)能夠真正幫助到我們呢？以下是小編幫大家整理的英語語法的知識(shí)點(diǎn)2021，希望能夠幫助到大家。
英語語法的知識(shí)點(diǎn)20211
1. 為避免重復(fù)，有時(shí)可用不定式符號(hào)to來代替整個(gè)動(dòng)詞不定式(短語)。如：
Will you come？ I’d love to.
你來嗎？我愿意來。
You can do it this way if you care to.
如果你愿意可以這樣做。
2. 在某些情況下省略不定式符號(hào) to(如在let， make， have等使役動(dòng)詞后用作賓語補(bǔ)足語的不定 式必須省略to，在see， hear， observe， notice， feel， watch 等表示感官的'動(dòng)詞后必須省略to等)。如 ：
If you want help， let me know.
如果你需要幫助，可以告訴我。
You have made me feel secure.
你使我感到安全。
Did you notice me pause？
你注沒注意我停頓了一下？
英語語法的知識(shí)點(diǎn)20212
高中英語語法
1)動(dòng)詞轉(zhuǎn)化為名詞
很多動(dòng)詞可以轉(zhuǎn)化為名詞，大多意思沒有多大的變化(如下①);有時(shí)意思有一定變化(如下②);有的`與一個(gè)動(dòng)詞和不定冠詞構(gòu)成短語，表示一個(gè)動(dòng)作(如下③)。例如：
①Let's go out for a walk.我們到外面去散散步吧。
�、贖e is a man of strong build.他是一個(gè)體格健壯的漢子。
�、跮et's have a swim.咱們游泳吧。
2)名詞轉(zhuǎn)化為動(dòng)詞
很多表示物件(如下①)、身體部位(如下②)、某類人(如下③)的名詞可以用作動(dòng)詞來表示動(dòng)作，某些抽象名詞(如下④)也可作動(dòng)詞。例如：
�、貲id you book a seat on the plane?你訂好飛機(jī)座位了嗎?
�、赑lease hand me the book.請(qǐng)把那本書遞給我。
�、跾he nursed her husband back to health.她看護(hù)丈夫，使他恢復(fù)了健康。
�、躓e lunched together.我們?cè)谝黄鸪粤宋绮汀?/p>
3)形容詞轉(zhuǎn)化為動(dòng)詞
有少數(shù)形容詞可以轉(zhuǎn)化為動(dòng)詞。例如：
We will try our best to better our living conditions.我們要盡力改善我們的生活狀況。
4)副詞轉(zhuǎn)化為動(dòng)詞
有少數(shù)副詞可以轉(zhuǎn)化為動(dòng)詞。例如：
Murder will out.(諺語)惡事終必將敗露。
5)形容詞轉(zhuǎn)化為名詞
表示顏色的形容詞�？赊D(zhuǎn)化為名詞(如下①);某些形容詞如old, young, poor, rich, wounded,injured等與the連用，表示一類人，作主語時(shí)，謂語用復(fù)數(shù)(如下②)。例如：
You should be dressed in black at the funeral.你在葬禮中該穿黑色衣服。
The old in our village are living a happy life.我們村的老年人過著幸福的生活。
英語語法的知識(shí)點(diǎn)20213
A)、名詞的數(shù)
我們知道名詞可以分為可數(shù)名詞和不可數(shù)名詞，而不可數(shù)名詞它沒有復(fù)數(shù)形式，但可數(shù)名詞卻有單數(shù)和復(fù)數(shù)之分，復(fù)數(shù)的構(gòu)成如下：
一)在后面加s。如：fathers, books, Americans, Germans,apples, bananas
二)x,sh, ch, s, tch后加es。如：boxes,glasses, dresses, watches, wishes, faxes
三)1)以輔音字母加y結(jié)尾的變y為i再加es如：baby-babies, family-families,duty-duties,comedy-comedies, documentary-documentaries, story-stories
2)以元音字母加y結(jié)尾的直接加s。如：day-days,boy-boys, toy-toys, key-keys, ways
四)以o結(jié)尾加s(外來詞)。如：radios, photos,但如是輔音加o的加es：如: tomatoes西紅柿, potatoes馬鈴薯
五)以f或fe結(jié)尾的變f為v再加es(s)。如：knife-knives, wife-wives,half-halves,shelf-shelves, leaf-leaves, yourself-yourselves
六)單復(fù)數(shù)相同(不變的)有：fish, sheep, deer鹿子, Chinese, Japanese
七)一般只有復(fù)數(shù)，沒有單數(shù)的有：people, pants, shorts, shoes, glasses, gloves, clothes,socks
八)單詞形式不變，既可以是單數(shù)也可以是復(fù)數(shù)的`有：police警察局，警察, class班，同學(xué), family家，家庭成員
高中英語語法詞法
1.辨別if引導(dǎo)真實(shí)條件句和if引導(dǎo)的虛擬條件句的區(qū)別
If he has time, he will go with us.= Probably he has time and will go withus.
If he had time, he would go with us.=But in fact he has no time.
2.虛擬條件句中主句和從句的謂與動(dòng)詞構(gòu)成形式如下表
if條件句中的謂與動(dòng)詞
主句的謂與動(dòng)詞
與現(xiàn)在的事實(shí)相反
1.行為動(dòng)詞用did形式
2. be動(dòng)詞用were
should
would
could +動(dòng)詞原形
might
與過去的事實(shí)相反
had + done
should
would
could + have + done
might
與將來的事實(shí)相反
1.行為動(dòng)詞用did
2. should +動(dòng)詞原形
3. were to +動(dòng)詞原形
should
would
could +動(dòng)詞原形
might
英語語法的知識(shí)點(diǎn)20214
規(guī)則動(dòng)詞的過去式詞尾變化有幾種：
1.一般情況下加ed，如watched, planted, watered, pulled, climbed, picked。
2.以不發(fā)音字母e結(jié)尾的.加d，如liked, moved, tasted。
3.以輔音字母加y結(jié)尾的變y為i再加ed，如study——studied。
4.以1個(gè)元音字母加1個(gè)輔音字母結(jié)尾的重讀閉音節(jié)，雙寫最后一個(gè)輔音字母再加ed，如stop——stopped。
詞尾讀音有3種：
a.在濁輔音和元音后讀[d]，如lived, watered, listened, played。
b.在清輔音后讀[t]，如liked, helped, watched。
c.在[t],[d]音后讀[Id]，如planted, wanted, handed(上交)。
不規(guī)則動(dòng)詞的過去式變化則沒有什么規(guī)律，請(qǐng)大家背熟記牢：
sit —— sat throw —— threw am, is —— was
drink —— drank draw —— drew are —— were
sing —— sang fly ——flew do —— did
begin —— began grow —— grew have, has —— had
swim —— swam put —— put may —— might
give —— gave cut —— cut can —— could
ring —— rang let —— let shall ——should
run —— ran read —— read will —— would
ride —— rode catch —— caught go —— went
write —— wrote teach —— taught eat —— ate
drive —— drove think —— thought hear —— heard
keep —— kept buy —— bought see —— saw
sleep —— slept fight —— fought find —— found
sweep —— swept hold —— held wear —— wore
feel —— felt tell —— told meet —— met
come —— came get —— got mean —— meant
become —— became make —— made speak —— spoke
take —— took say —— said
1)is, am -was are-were
2) begin-began ring-rang drink-drank swim-swam give-gave
sing-sang sit-sat run-ran have-had make-made
come-came eat-ate
3) write-wrote ride-rode speak-spoke drive-drove stand-stood
tell-told win-won get-got take-took
4) sleep-slept sweep-swept feel-felt keep-kept
spell-spelt spend-spent bend-bent
meet-met go-went
5) know-knew fly-flew blow-blew grow-grew
throw-threw draw-drew (glow-glowed)
6) teach-taught catch-caught buy-bought
fight-fought think-thought
7) find-found hear-heard say-said lie-lay
see-saw learn-learnt mean-meant
8) put-put read-read cut-cut let-let
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