高考狀語從句考點(diǎn)大全

1、Overview of adverbial clauses 句句 子子 的的 分分 類類Adverbial ClausesDefinition An adverbial clause is a dependent clause that functions as an adverb. Compare the two sentences: Every morning he sits there. Every morning he sits where there is a palm tree.Time時(shí)間狀語從句時(shí)間狀語從句Place 地點(diǎn)狀語從句地點(diǎn)狀語從句Reason 原因狀語從句原因狀語從

2、句Condition 條件狀語從句條件狀語從句Purpose 目的狀語從句目的狀語從句Result 結(jié)果狀語從句結(jié)果狀語從句Manner 方式狀語從句方式狀語從句Concession 讓步狀語從句讓步狀語從句Contrast 比較狀語從句比較狀語從句Adverbial ClauseAdverbial Clauses 在復(fù)合句中由從句表示的狀語稱作狀語在復(fù)合句中由從句表示的狀語稱作狀語從句，它可以用來修飾謂語（包括非謂語動(dòng)從句，它可以用來修飾謂語（包括非謂語動(dòng)詞）、定語或狀語，或是整個(gè)句子。詞）、定語或狀語，或是整個(gè)句子。 準(zhǔn)確掌握每一個(gè)連接詞的含義是掌握狀準(zhǔn)確掌握每一個(gè)連接詞的含義是掌握狀語從

3、句的關(guān)鍵。同時(shí)要注意主從句的時(shí)態(tài)呼應(yīng)。語從句的關(guān)鍵。同時(shí)要注意主從句的時(shí)態(tài)呼應(yīng)。高考英語狀語從句及連接詞的應(yīng)用高考英語狀語從句及連接詞的應(yīng)用1. Adverbial Clause of Time常用連接詞：常用連接詞：when/while/as, since, till /until, before, once, as soon as特殊連接詞：特殊連接詞：immediately/directly/instantly the moment/the instant/the minute, by the time, each time/every time /whenever no sooner

4、than, hardly (scarcely) when從句一般用一般現(xiàn)在時(shí)表示將來，用現(xiàn)在完成從句一般用一般現(xiàn)在時(shí)表示將來，用現(xiàn)在完成時(shí)表示將來完成時(shí)時(shí)表示將來完成時(shí)1. While （當(dāng)（當(dāng)時(shí)）時(shí)）Jenny was doing the washing up, Jane was watching TV.2. The train had left by the time （到（到時(shí)）時(shí)）they rushed to the station.1. Adverbial Clause of Time3. The instant （一（一就就）I saw him, I knew I have see

5、n him before.4. Every time （每次）（每次）I went to visit him, he was playing computer games.5. Each time （每當(dāng)）（每當(dāng)）we met with difficulties, they came to our help 6. No sooner had I arrived home than （剛（剛就就）it began to rain.1. Adverbial Clause of Time2. Adverbial Clause of Place常用連接詞：常用連接詞：where特殊連接詞：特殊連接詞：

6、everywhere anywhere wherever Put the key where you can find it later. Everywhere they went, they were kindly received. Where there is a will, there is a way. 有志者事竟成。（諺語）有志者事竟成。（諺語） Wherever there is smoke, there is fire. 無風(fēng)不起浪。（諺語）無風(fēng)不起浪。（諺語）3. Adverbial Clause of Reason常用連接詞：常用連接詞：because since as f

7、or特殊連接詞：特殊連接詞：that in that now (that) seeing that considering that for the reason that3. Adverbial Clause of Reason1. Since /As the weather is so bad, we have to delay our journey. 2. He is absent today, because /for he is ill. 3. He must be ill, for he is absent today. 3. Adverbial Clause of Reason

8、4. Im happy that youve told the truth.5. Some people say man differs from animals in that we have the ability to laugh.6. Considering that his wife has just had a bad cold, he decided to go to the ball alone.4. Adverbial Clause of Condition常用連接詞常用連接詞: if, unless, as / so long as特殊連接詞特殊連接詞: providing

9、 / provided that, supposing that, in case that, on condition that, given thatIf引導(dǎo)的條件句有真實(shí)條件句和虛擬條件句兩引導(dǎo)的條件句有真實(shí)條件句和虛擬條件句兩種，種，虛擬條件句要用虛擬語氣。虛擬條件句要用虛擬語氣。4. Adverbial Clause of Condition1. I will go to the party if I am invited.2. I wont go to the party unless invited.3. Well let you use the room on conditio

10、n that you keep it clean.4. You will certainly succeed so long as you keep on trying. 5. Provided that there is no opposition, we shall hold the meeting here. 5. Adverbial Clause of Purpose常用連接詞：常用連接詞：so that, in order that 特殊連接詞：特殊連接詞：lest, in case, for fear that, in the hope that, for the purpose

11、that從句中的謂語動(dòng)詞常常用從句中的謂語動(dòng)詞常常用may, might, can, could, should等情態(tài)動(dòng)詞等情態(tài)動(dòng)詞1. Speak louder so that everyone can hear you.5. Adverbial Clause of Purpose2. They started early in order that they could arrive home before dinner time.3. We dare not play jokes on him lest he (should) be angry.4. We stood under the

12、 tree quietly for fear that the bird (should) fly away.表示目的的幾種句型表達(dá)表示目的的幾種句型表達(dá) He got up early to catch the early bus.= He got up early in order to catch the early bus.= He got up early so as to catch the early bus.= He got up early so that he could catch the early bus.= He got up early in order that

13、 he could catch the early bus.6. Adverbial Clause of Result常用連接詞常用連接詞: so/such that, so that特殊連接詞特殊連接詞: to the /such a degree that, to the extent thatHe got up so early that he caught the first bus. Its such a good chance that we must not miss it. 6. Adverbial Clause of ResultTo such a degree was he

14、 excited that he couldnt sleep last night. His humor was such as to make us all laugh.= He was so humourous as to make us all alugh.= He was so humourous that we all laugh.7. Adverbial Clause of Manner常用引導(dǎo)詞：常用引導(dǎo)詞：as, as if, as though特殊：特殊：the way, A is to B what C is to D 1. Youd better take things

15、as they are. 2. When in Rome, do as the Roman do. 3. Food is to man what oil is to machine. 食物之于人，猶如油之于機(jī)器。食物之于人，猶如油之于機(jī)器。7. Adverbial Clause of Manner4. Sometimes we teach our children the way our parents have taught us.在在as if或或as though引導(dǎo)的狀語從句中多用引導(dǎo)的狀語從句中多用過去時(shí)過去時(shí)表示虛擬語氣。表示虛擬語氣。5. He looked at me as i

16、f I were mad.6. He acted as though he had been there before.8. Adverbial Clause of Concession常用連接詞常用連接詞: though, although, even if even though特殊連接詞：特殊連接詞：while(一般用于句首一般用于句首), as(用于倒裝結(jié)構(gòu)用于倒裝結(jié)構(gòu)) whether or, wh-ever = no matter wh-8. Adverbial Clause of Concession1. Though he is young, he could solve th

17、e problem on his own.= Young as he is, he could solve the problem on his own.2. Although he is a child, he could solve the problem on his own.= Child as he is, he could solve the problem on his own.9. Adverbial Clause of Contrast常用連接詞常用連接詞: as as, not so/as as (同級(jí)比較同級(jí)比較), than (不同程度的比較不同程度的比較) 特殊連接詞

18、特殊連接詞: the +比較級(jí)比較級(jí), the + 比較級(jí)比較級(jí); 1. The little girl wants to be as clever as her brother.2. He doesnt work so hard as you do.9. Adverbial Clause of Contrast3. The more you worry, the less youll succeed.4. She did worse in the test than she expected.9. Adverbial Clause of Contrast5. 這個(gè)房間是那個(gè)房間的三倍大。這個(gè)

19、房間是那個(gè)房間的三倍大。This room is three times as large as that one. This room is twice times larger than that one.This room is three times the size of that one.9. Adverbial Clause of Contrast6. 今年的收入是去年的兩倍。今年的收入是去年的兩倍。The income of this year is twice that of last year.The income of this year is twice what it

20、 was last year.考點(diǎn)一考點(diǎn)一高頻連接詞高頻連接詞29 when / while / as when: 持續(xù)性非持續(xù)性動(dòng)詞都可持續(xù)性非持續(xù)性動(dòng)詞都可1) 當(dāng)當(dāng)時(shí)候時(shí)候Are you going to be a sailor when you leave school?2) 正在正在忽然忽然when =at this time / at that time sb. was doing when sb. was about to do /was going to do/was on the point of doing when sb. has just done when3) 表示原

21、因表示原因“既然既然”“”“考慮到考慮到”，相當(dāng)于，相當(dāng)于 since; considering that。Why do you want a new job when youve got such a good one already? whileWhile I was walking down the street, I came across an old friend. (while=_)He likes pop music, while I am fond of folk music. (while=_)While I really dont like art, I find his

22、 work impressive. (while=_)While there is life there is hope. (while=_)whenalthoughas long as 而而1.She sang as she worked. 一邊一邊一邊一邊2. Smart as he is ,he doesnt study hard.雖然，盡管雖然，盡管3. You must try to do as I did. 依照，按照依照，按照4. As she was late for class, she had to say sorry.因?yàn)橐驗(yàn)?. You will grow wiser

23、as you grow older.隨著隨著 beforeIt will be half a year before I come back.It wont be half a year before we meet again.We sailed four days and nights before we saw the land.We hadnt run a mile before he felt tired. 肯定句肯定句 “ 才才” 否定句否定句 “就就”It will be +一段時(shí)間一段時(shí)間 before.多久之后才多久之后才.It wont be +一段時(shí)間一段時(shí)間 befor

24、e.不久就不久就.sincebeforewhenthatIt is + 時(shí)間時(shí)間+ 易混淆句型易混淆句型 Its three days since he returned home.It was three days before he returned home.It will be three days before he returnshome. It was three days later that he returned home.It was three oclock when he got home.It was at three oclock that he got home

25、. where引導(dǎo)的定語從句和狀語從句的區(qū)別引導(dǎo)的定語從句和狀語從句的區(qū)別和聯(lián)系和聯(lián)系where： 引導(dǎo)定語從句時(shí)，相當(dāng)于引導(dǎo)定語從句時(shí)，相當(dāng)于in / at / to which; where： 引導(dǎo)狀語從句時(shí)，相當(dāng)于引導(dǎo)狀語從句時(shí)，相當(dāng)于in / at / to the place where Please make a mark in the place where you have a question.定語從句定語從句Please make a mark where you have a question.狀語從句狀語從句 unless 除非，如果不除非，如果不 相當(dāng)于相當(dāng)于if n

26、otMost birds find it safe to sleep in the trees, but _ they have eggs or young chicks, they dont use a nest. A. whyB. how C. unlessD. where because, since, as, forbecause: 直接原因，非推斷。語氣最強(qiáng)直接原因，非推斷。語氣最強(qiáng)回答回答why;用于強(qiáng)調(diào)句型用于強(qiáng)調(diào)句型since: 顯而易見的已知的原因，譯為顯而易見的已知的原因，譯為“既既然然”，通常放句首。，通常放句首。as：不談自明的原因不談自明的原因，語氣最弱，語氣最弱fo

27、r: 附加、推斷的原因，通常附加、推斷的原因，通常放句中，有逗放句中，有逗號(hào)，作并列連詞號(hào)，作并列連詞。1. Why are you late? Because my car broke down on the way.2. It was because my car broke down on the way that I was late.3. It must have rained, for the ground is wet.4. I didnt go to school yesterday because I was ill. 5. Since everybody is here,

28、lets begin our meeting. 6. As you are in poor health, you should not stay up late. so / such that so + adj. / adv. + that so + adj. + a(n) + n. + that such + a(n) + adj. + n. + that such + adj. + n. (UC) / n.(pl.) + that + He is such a good teacher that we all respect him.= He is so good a teacher t

29、hat we all respect him.= So good a teacher is he that we all respect him.= Such a good teacher is he that we all respect him.He made such rapid progress that the teacher praise him.He made so much progress that the teacher praise him. “一一就就 ”的表達(dá)法的表達(dá)法as soon as hardly / scarcely when no sooner that t

30、he moment / minute / second / instantimmediately / instantly / directlyon / upon + n. / doing他一到達(dá)車站汽車就發(fā)動(dòng)了。他一到達(dá)車站汽車就發(fā)動(dòng)了。 As soon as (連詞連詞) he arrived at the station, the bus started.= Hardly (連詞連詞) had he arrived at the station when the bus started.= No sooner (連詞連詞) had he arrived at the station tha

31、n the bus started.= Immediately (副詞副詞) he arrived at the station, the bus started.= The moment (名詞名詞) had he arrived at the station when the bus started.= Upon / On (介詞介詞) his arrival at the station, the bus started. until / till均可用于肯定句，但均可用于肯定句，但until可用于句首，可用于句首，till則不可。則不可。肯定句：肯定句：She slept till /

32、 until midnight.Until you told me, I had heard nothing of what happened.否定句：否定句：She didnt arrive until midnight.He didnt go to bed until he finished his work.= Not until he finished his work did he go to bed.(倒裝句倒裝句)= It was not until he finished his homework that he went to bed.(強(qiáng)調(diào)句強(qiáng)調(diào)句) however, wh

33、ateverhowever：后接：后接adj.或或adv., 相當(dāng)于相當(dāng)于no matter howwhatever：后接：后接n., 相當(dāng)于相當(dāng)于no matter what。However difficult it may be, you shouldnt give up.Whatever difficulties you may come across, you shouldnt give up.However many difficulties you may come across, you shouldnt give up.You can dress however you lik

34、e.You can wear whatever you like. 區(qū)別幾組詞區(qū)別幾組詞1 as long as 和和 as far asas long as = so long as 只要只要as far as = so far as 就就而言；到而言；到程度程度2 only if 和和 if onlyonly if只要只要if only要是要是就好了就好了3 as if 和和even ifas if 似乎，好像似乎，好像even if即使，縱然即使，縱然4 despite 和和 althoughdespite (介詞介詞)雖然雖然although (連詞連詞)雖然雖然5 with 和和 a

35、swith (介詞介詞)隨著隨著as (連詞連詞)隨著隨著.考點(diǎn)二考點(diǎn)二狀語從句中成分的省略狀語從句中成分的省略53當(dāng)狀語從句的主語與主句的主語一致時(shí)，從當(dāng)狀語從句的主語與主句的主語一致時(shí)，從句的主語可以省略。謂語則按下面幾種情況句的主語可以省略。謂語則按下面幾種情況省略或變化：省略或變化：1. “系表系表”結(jié)構(gòu)省略結(jié)構(gòu)省略be動(dòng)詞；動(dòng)詞；2. 被動(dòng)語態(tài)省略助動(dòng)詞被動(dòng)語態(tài)省略助動(dòng)詞be；3. 主動(dòng)語態(tài)的動(dòng)詞則變?yōu)橹鲃?dòng)語態(tài)的動(dòng)詞則變?yōu)閐oing。If necessary (如果有必要的話如果有必要的話), Ill explain it to you again.Though lacking (l

36、ack) money, they sent their children to school.He stopped as if to see (see) if someone followed him.狀語從句同時(shí)具備下列兩個(gè)條件狀語從句同時(shí)具備下列兩個(gè)條件:主句和從句的主語一致，或從句主語為主句和從句的主語一致，或從句主語為it；從句主要?jiǎng)釉~是從句主要?jiǎng)釉~是be的某種形式。的某種形式。從句中的主語和從句中的主語和be動(dòng)詞?？墒÷浴?dòng)詞?？墒÷浴?When ( the museum is ) completed , the museum will be open to the public n

37、ext year . If (it is) possible, he will help you out of the difficulty. 如果可能的話，他會(huì)幫你擺脫困境。如果可能的話，他會(huì)幫你擺脫困境。 You must attend the meeting unless (it is) inconvenient to you.除非情況對(duì)你來說不方便除非情況對(duì)你來說不方便,否則你必須出席這否則你必須出席這次會(huì)議。次會(huì)議。 另外，比較狀語從句經(jīng)常省略。另外，比較狀語從句經(jīng)常省略。 Im taller than he (is tall ). The higher the temperatur

38、e (is), the greater the pressure (is ). 【注意注意】：當(dāng)從句主語和主句主語不一致時(shí)，從句部分當(dāng)從句主語和主句主語不一致時(shí)，從句部分要么用完全形式，要么用要么用完全形式，要么用獨(dú)立主格結(jié)構(gòu)獨(dú)立主格結(jié)構(gòu)來表來表達(dá)。達(dá)。When the meeting was over, all the people went out of the meeting-room.當(dāng)會(huì)議結(jié)束時(shí)，人們都走出了會(huì)議室。當(dāng)會(huì)議結(jié)束時(shí)，人們都走出了會(huì)議室。=The meeting over, all the people went out of the meeting-room.考點(diǎn)三考點(diǎn)

39、三時(shí)態(tài)一致性時(shí)態(tài)一致性59在在時(shí)間時(shí)間或或條件條件狀語從句中，當(dāng)主句是將來時(shí)的狀語從句中，當(dāng)主句是將來時(shí)的時(shí)時(shí),從句從句謂語動(dòng)詞謂語動(dòng)詞用用“一般現(xiàn)在時(shí)一般現(xiàn)在時(shí)”表表“一般將來時(shí)一般將來時(shí)”; “現(xiàn)在完成時(shí)現(xiàn)在完成時(shí)”表示表示“將來完成時(shí)將來完成時(shí)”。They will a picnic if it doesnt rain next week. As soon as I have finished this work, I will go home. .考點(diǎn)四考點(diǎn)四狀語從句與倒裝句狀語從句與倒裝句61 as引導(dǎo)讓步狀語從句時(shí)，通常從句要倒裝引導(dǎo)讓步狀語從句時(shí)，通常從句要倒裝as從句中的表語、

40、謂語動(dòng)詞或做狀語的副詞調(diào)從句中的表語、謂語動(dòng)詞或做狀語的副詞調(diào)至從句之首至從句之首.a. 句首名詞不能帶冠詞。句首名詞不能帶冠詞。 b. 句首是實(shí)義動(dòng)詞，其他助動(dòng)詞放在主語后。句首是實(shí)義動(dòng)詞，其他助動(dòng)詞放在主語后。如果實(shí)義動(dòng)詞有賓語和狀語，隨實(shí)義動(dòng)詞如果實(shí)義動(dòng)詞有賓語和狀語，隨實(shí)義動(dòng)詞一起放在主語之前。一起放在主語之前。句型為：句型為：名詞名詞/形容詞形容詞/過去分詞過去分詞 + as / though +主語主語 + 動(dòng)詞動(dòng)詞 , 主句主句 1. Though he is a small child, he knows what is the right thing to do. Child

41、 as he is, he knows what is the right thing to do.2. Though he worked hard, he never seemed able to do the work satisfactorily. Hard as he worked, he never seemed able to do the work satisfactorily. 3. Though you may fail, you should never give up. Fail as you may, you should never give up.4. Though

42、 it was raining heavily outside, they started out very early. Heavily as it was raining outside, they started out very early.5. _, Carolina couldnt get the door open. A. Try as she might B. As she might try C. She might as try D. Might she as try6. _, he talks a lot about his favorite singers after

43、class. A. A quiet student as he may be B. Quiet student as he may be C. Be a quiet student as he may D. Quite as he may be a student so , such 引導(dǎo)的結(jié)果狀語從句置于引導(dǎo)的結(jié)果狀語從句置于句首，會(huì)引起倒裝。句首，會(huì)引起倒裝。1. So angry was he that he yelled at me.2. Such a nice day was it that we picnicked on the grass.3. So difficult _ it

44、 to work out the problem that I decided to asked Tom for advice. A. I did find B. did I find C. I have found D. have I found “only + 狀語從句狀語從句”位于句首，主句用部分位于句首，主句用部分倒裝語序，從句語序不變倒裝語序，從句語序不變Only when the war was over _ to his hometown. A. did the young soldier return B. the young soldier returned. C. retu

45、rned the young soldier D. the young soldier did return not until 從句被提到句首時(shí)，主句用部分從句被提到句首時(shí)，主句用部分倒裝語序，從句語序不變倒裝語序，從句語序不變Not until all the fish died in the river _ how serious the pollution was. A. did the villagers realize B. the villagers realized C. the villagers did realize D. didnt the villagers real

46、ize 表示表示“一一就就”的兩個(gè)常見結(jié)構(gòu)的兩個(gè)常見結(jié)構(gòu) “No sooner had than .”“Hardly / Scarcely had when .”.Did Linda see the traffic accident? No, no sooner _ than it happened. A. had she gone B. she had gone C. has she gone D. she has gone.考點(diǎn)五考點(diǎn)五注意區(qū)分不同從句注意區(qū)分不同從句71引導(dǎo)的是什么從句，不僅要根據(jù)連詞，還要引導(dǎo)的是什么從句，不僅要根據(jù)連詞，還要根據(jù)句子結(jié)構(gòu)和句意來判別。根據(jù)句子結(jié)構(gòu)和句意

47、來判別。You are to find it where you left it.地點(diǎn)狀語從句地點(diǎn)狀語從句Tell me the address where he lives.定語從句，句中有先行詞定語從句，句中有先行詞I dont know where he came from.賓語從句賓語從句Where he has gone is not known yet.主語從句主語從句This place is where they once hid.表語從句表語從句.考點(diǎn)六考點(diǎn)六并列句與狀語從句并列句與狀語從句73并列句的基本概念并列句的基本概念 并列句是由兩個(gè)或兩個(gè)以上并列而又獨(dú)并列句是由兩個(gè)

48、或兩個(gè)以上并列而又獨(dú)立的簡(jiǎn)單句構(gòu)成。在并列句中，這些簡(jiǎn)單句立的簡(jiǎn)單句構(gòu)成。在并列句中，這些簡(jiǎn)單句常由并列連詞連在一起。并列連詞所連接的常由并列連詞連在一起。并列連詞所連接的簡(jiǎn)單句被稱為分句。簡(jiǎn)單句被稱為分句。常見的并列句常見的并列句1. 表遞進(jìn)關(guān)系：表遞進(jìn)關(guān)系： 用來表遞進(jìn)關(guān)系的并列連詞有用來表遞進(jìn)關(guān)系的并列連詞有and, not only but also ，neither nor , not but 等。等。2. 表選擇關(guān)系：表選擇關(guān)系： 常用的并列連詞有常用的并列連詞有or, either or ，otherwise等。等。Either you are right, or I am. 3

49、. 表轉(zhuǎn)折對(duì)比關(guān)系表轉(zhuǎn)折對(duì)比關(guān)系： 常用的并列連詞有常用的并列連詞有but, yet, whereas, while等。等。The car is old, (and/but) yet it is in good condition.= The car is old, but it is in good condition.= The car is old. However (= Nevertheless = Still), it is in good condition.* but不與不與although連用，但連用，但yet, still可與可與although連用。連用。4. 表因果關(guān)系：

50、表因果關(guān)系： 常用的并列連詞有常用的并列連詞有so, for。The shops were closed so I didnt get any milk.商店都關(guān)門了，所以我沒買到牛奶。商店都關(guān)門了，所以我沒買到牛奶。* for常出現(xiàn)在并列句中，不說明主句行為發(fā)生常出現(xiàn)在并列句中，不說明主句行為發(fā)生的直接原因，只提供一些補(bǔ)充說明，常位于兩的直接原因，只提供一些補(bǔ)充說明，常位于兩個(gè)并列句中間，不可位于句首。個(gè)并列句中間，不可位于句首。5. 用祈使句表示條件狀語從句用祈使句表示條件狀語從句1) “祈使句祈使句 + and + 陳述句陳述句” = “if引導(dǎo)的肯定條件句引導(dǎo)的肯定條件句 + 陳述句陳

51、述句”。2) “祈使句祈使句 + or/otherwise + 陳述句陳述句” = “if引導(dǎo)的否定條件句引導(dǎo)的否定條件句 + 陳述句陳述句”。Work hard, and youll get good grades. (改為含有條件狀語從句的復(fù)合句改為含有條件狀語從句的復(fù)合句) If you work hard, youll get good grades.1. Unlike watching TV, reading is a highly active process _ it requires attention as well as memory and imagination. A.

52、 untilB. but C. unlessD. for2. The old teacher found it increasingly difficult to read, _ her eyesight was beginning to fail. A. andB. for C. butD. or3. She is seriously ill, _ she doesnt give up hope. A. thoughB. but C. stillD. however4. Find ways to praise your children often, _ youll find they will open their hearts to you. A. tillB. or C. and D. but1.1. 狀語從句的種類狀語從句的種類2.2. 狀語從句中的六大考點(diǎn)：狀語從句中的六大考點(diǎn)： 高頻連接詞；高頻連接詞； 狀語從句中成分的省略；狀語從句中成分的省略； 時(shí)態(tài)的一致性；時(shí)態(tài)的一致性； 狀語從句與倒裝句；狀語從句與倒裝句； 注意區(qū)分不同從句；注意區(qū)分不同從句； 并列句與狀語從句。并列