1、狀語從句分類表示時(shí)間 表示原因 表示結(jié)果 表示目表示讓步表示比較表示條件第1頁一:原因狀語從句定義：假如從句表示是主句行為原因，就組成原因狀語從句。引導(dǎo)詞：because , since , as , for 第2頁關(guān)于becausebecause表示原因是必定因果關(guān)系，語氣最強(qiáng)，通常放在主句之后，有時(shí)也放在主句之前。 You want to know why I am leaving? I am leaving because I am tired.(2)回答why提出問題，只能用because, 不能用 其余三者。 A：Why cant I go? B：Because you are to

2、o young. 第3頁(3)because從句可用作表語，其余不能。 This is because the earth is travelling around the sun. (4) 表示“原因是因?yàn)椤边@一意義時(shí)，普通要用The reason whyis that如：The reason why he cannot come is that he is ill. 第4頁because后跟句子I was late for school because I got up late.because of 后跟名詞We didnt go to the cinema because of the

3、 rain.第5頁關(guān)于sincesince引導(dǎo)原因狀語從句普通放于主句之前, 表示已知、 顯然理由(通常被翻譯成“既然”)， 較為正式,語氣比because弱。 Since you are free today, you had better help me with my maths. 既然今天你休息， 你最好幫我補(bǔ)習(xí)數(shù)學(xué)。 第6頁關(guān)于as as 引導(dǎo)原因狀語從句時(shí)表示附帶說明“雙方已知原因”，語氣比since弱，較為正式，位置較為靈活(常放于主句之前)。 As it is raining, youd better take a taxi. 既然在下雨， 你最好乘出租汽車。 I went t

4、o bed early, as I was very tired. 我睡得早， 因?yàn)槲医钇ＡΡM了。 第7頁For“因?yàn)?因?yàn)椤北砻鞲郊踊蛲茢嗬碛?，引?dǎo)分句前常有逗號(hào)。for分句不放句首. It rained last night, for the ground is wet this morning.第8頁注意：漢語習(xí)慣上說“因?yàn)樗浴?，但英語卻不能將because, since, as, for等與so(所以)連用。第9頁二：結(jié)果狀語從句定義：表示由某個(gè)行為而造成結(jié)果引導(dǎo)詞：so so.that， such.that 第10頁So 所以Its going to rain, so take a

5、n umbrella when you go out.He worked too hard, so he fell ill again.第11頁so.that 如此.以致于1.so+形副thatHe was so glad that he couldnt say a word.The hall is so big that it can hold 2,000 people.Mother lives so far away that we hardly ever see her.第12頁2.so+形容詞a(an)可數(shù)名詞單數(shù)thatHe is so good a boy that every t

6、eacherlikes him.It is so heavy a box that the little boycant carry it.第13頁3.somany/few/much/little復(fù)名(不可名)+thatSoon there were so many people that they ate all the food.He has so little time that he cant go to the cinema with you.可數(shù)名詞不可數(shù)名詞第14頁suchthat“如此以致于”表結(jié)果。1.sucha(an)形可數(shù)名詞名詞單數(shù)thatMr Green is suc

7、h a good teacher that everybody likes him.It was such an interesting film that everyone laughed.第15頁2.such形容詞復(fù)數(shù)名詞不可數(shù)名詞thatOur town has such fresh air that every visitor wants to come.第16頁1.so+形副that 2.so+形容詞a(an)單數(shù)名詞that 3.somany/few/much/little復(fù)數(shù)名詞(不可名)+that So 強(qiáng)調(diào)是形容詞suchthat“如此以致于”表結(jié)果。1.sucha(an)形

8、可數(shù)名詞單數(shù)that2.such形復(fù)數(shù)名詞不可數(shù)名詞thatSuch 強(qiáng)調(diào)是名詞第17頁她是如此疲憊，以致于很快就睡著了。 She was _ she _ quickly.2. 這是一本非常有趣小說，以致于我讀了三遍。 It was _ novel that read it three times.3. 他跑得非?？欤瑳]人能追上他。 He runs _ nobody can catch up with him.4. 瑪麗有如此多工作要做，以致于她整天呆在辦公室。 Mary had _ to do that she stayed at her office all day. sothat / s

9、uchthatso tired thatfell asleepsuch an interestingso fast thatso much work第18頁三：目狀語從句定義：從句表示是主句行為目標(biāo)主要引導(dǎo)詞有:so that， in order that， 第19頁They are hurrying so that they may not miss the train. 他們匆慌忙忙目是為了不錯(cuò)過火車 They are hurrying in order that they may not miss the trainHe works hard so that he can get goo

10、d grades. He works hard in order that he can get good grades. So that 引導(dǎo)目標(biāo)狀語從句中經(jīng)常含有情態(tài)動(dòng)詞can, could, may, might, Would, should第20頁區(qū)分In order that +句子So that +句子In order to do sth to do sth 第21頁四：讓步狀語從句表示盡管.引導(dǎo)詞:though， althougheven if， even though第22頁though, although, though, although在句首表“盡管”二者都能夠用。不能與

11、but連用。 以下情況只能用though： as though (=as if);好像 even if (=even though) 即使 在句末表示“然而” 第23頁1. _ there are too many people here, _ we have to find another house. A. Because; so B. Though; but C. Since; / D. /; if2. This TV set is too dear, _ it gives you a better picture.A. or B. and C. if D. though3. _ he is very young, _ he knows several languageA. Though; but B. Because; so C. Though; / D. Because; /CDC第24頁4. He was _ tired _ he couldnt go on working. A. too; to B. such; that C. so; that D. too; that5. She was _ we all like her.A. such a good singer B. such a good singer thatC. a very good singer