同方專轉(zhuǎn)本英語(yǔ)核心語(yǔ)法講解

1、同方專轉(zhuǎn)本英語(yǔ)核心語(yǔ)法講解一、助動(dòng)詞 be 的用法1）be +現(xiàn)在分詞，構(gòu)成進(jìn)行時(shí)態(tài)。例如： They are having a meeting.他們正在開會(huì)。English ising more and more important. 英語(yǔ)現(xiàn)在越來(lái)越重要。2）be + 過(guò)去分詞，構(gòu)成被動(dòng)語(yǔ)態(tài)。例如：The window was broken by Tom.窗戶是湯姆打碎的。English is taught throughout the world.世界各地都教英語(yǔ)。3）be + 動(dòng)詞不定式，可表示下列內(nèi)容：表示最近、未來(lái)的計(jì)劃或安排。例如：He is to go to New York n

2、ext week.他下周要去紐約。We are to teach the freshmen.我們要教新生。說(shuō)明： 這種用法也可以說(shuō)成是一種將來(lái)時(shí)態(tài)表達(dá)法。表示命令。例如：You are to explain this.對(duì)此你要做出解釋。He is to come to the office this afternoon.要他今天下午來(lái)辦公室。征求意見。例如：How am I to answer him?我該怎樣答復(fù)他？Who is to go there?誰(shuí)該去那兒呢？表示相約、商定。例如：We are to meet at the school gate at seven tomorrow

3、morning.我們明天早晨7 點(diǎn)在校門口集合。二、助動(dòng)詞 have 的用法1）have +過(guò)去分詞，構(gòu)成完成時(shí)態(tài)。例如： He has left for London.他已去了倫敦。By the end of last month, they had finished half of their work.工作的一半。2）have + been +現(xiàn)在分詞，構(gòu)成完成進(jìn)行時(shí)。例如：I have been studying English for ten years. 我一直在學(xué)英語(yǔ)，已達(dá)十年之久。3）have +been +過(guò)去分詞，構(gòu)成完成式被動(dòng)語(yǔ)態(tài)。例如：English has been

4、taught in China for many years. 中國(guó)教英語(yǔ)已經(jīng)多年。三、非謂語(yǔ)動(dòng)詞在句子中充當(dāng)除謂語(yǔ)以外的句子成分的動(dòng)詞形式叫做非謂語(yǔ)動(dòng)詞。非謂語(yǔ)動(dòng)詞分為三種形式:不定式，動(dòng)名詞，和分詞（分詞包括現(xiàn)在分詞和過(guò)去分詞）。1）不定式一般式：to do、to be done完成式：to have done、to have been done 2）動(dòng)名詞一般式：doing、being done完成式：having done、having been done 3）分詞一般式：doing、being done完成式：having done、having been done四、動(dòng)名詞作主語(yǔ)、

5、賓語(yǔ)和表語(yǔ)上月未為止，他們已經(jīng)完成1）作主語(yǔ)。例如：Fighting broke out bet 2）作賓語(yǔ)n the Sound the North. 南方與北方開戰(zhàn)了。a. 有些動(dòng)詞可以用動(dòng)名詞作賓語(yǔ)。例如：admit 承認(rèn)、Appre誤、deny 否認(rèn)、te 感激、avoid 避免、complete 完成、Consider 認(rèn)為、delay耽detest 討厭、endure 忍受、enjoy 喜歡、esc象、mind 介意逃脫、fancy 想象、finish 完成、imagine想miss 想念、抗tpone 推遲、Practice 訓(xùn)練、recall 回憶、resent 討厭、resu

6、me 繼續(xù)、resist抵risk、suggest 建議、face 面對(duì)、include 包括、stand 忍受、Understand 理解、Five寬恕、keep 繼續(xù)例如：Would you mind turning down your radio a little, please? 你把收音機(jī)音量調(diào)小一點(diǎn)，好嗎？The squirrel was lucky住的厄運(yùn)。五、worth 的用法t it just missed being caught. 這松鼠幸運(yùn)得很，剛逃避了被逮worth, worthy, worthwhile 都是形容詞，意為值得。1. worth： be worth +

7、 n.當(dāng)名詞為金錢時(shí)，表示 值得常見的有 Its worth while to do./ It s worth（someones）whilengbe worthng sth.某事值得被做The question is not worth discussing again and again. 這問(wèn)題不值得反復(fù)2. worthy：be worthy of +n.當(dāng)名詞為抽象名詞時(shí)表示值得 be worthy to be done 某事值得被做The question is not worthy to be discussed again and again.。3. worthwhile： be

8、worthwhile to do sth值得做某事It is worthwhile to ask him to jo典型例題he club.值得邀請(qǐng)他加入。It is not to discuss the question again and again.A. worthB. worthyC. worthwhileD. worth whileC. 由 worth 的用法可知，此句只適合詞組 be worthwhile to do sth.。選 C。六、動(dòng)詞不定式動(dòng)詞不定式由 to+動(dòng)詞形容詞或副詞的某些語(yǔ)。這里的 to 是不定式標(biāo)志，沒(méi)有詞義。不定式具有名詞、能，又有動(dòng)詞的時(shí)態(tài)和語(yǔ)態(tài)的特點(diǎn)及作用。常見的形式如表所示（以及物動(dòng)詞 do 為例），不及物動(dòng)詞沒(méi)有一般式：to do、to be done語(yǔ)態(tài)。進(jìn)行式：to beng完成式：to have done、to have been done完成進(jìn)行式：to have beenng注意： 有些動(dòng)詞或動(dòng)詞詞組可以用動(dòng)詞+疑問(wèn)詞