【正文】 efore 句型： (1) before sb can/ could … 某人還沒來得及…… 例：Before I could get in a word ，he had measured me． 我還沒來得及插話，他就給我量好了尺寸 (2) It will be +時間+ before + 還有多長時間…… 例：It will be 4 years before he graduates. 他還有四年時間變畢業(yè)了。 (4) had not done before 不到……就…… 例：We hadn’t run a mile before he felt tired. 我們還沒走到一英里路就覺得累了。1強調(diào)句型： (1) It is ／was ＋被強調(diào)部分＋that（who）．．． 例：It was I who wrote to my uncle yesterday． 是我昨天給我叔叔寫信的。1用于表示過去未實現(xiàn)的希望和計劃的句型： (1) should like to/ would like to/ would love to have done sth. 例：You should like to have written to your mother. 你本應(yīng)當(dāng)給你母親寫信。 (3) was / were going to have done sth. 表示未完成原來的計劃和安排 例：Lily was going to have cleaned her bedroom, but she had no time. Lily 原打算清理她的臥室，但她沒時間。 (5) wish that …h(huán)ad done ． 例：I wish he had been here yesterday. 要是他昨天在這兒就好了。1倍數(shù)句型： (1)倍數(shù)＋比較級＋than．．．， 例：The room is twice larger than that one．這個房間是那個房間的兩倍大。 (3)倍數(shù)＋the size ／height／length ／weight ／width of．．． 例：The room is three times the size of that one． 這個房間是那個房間的3倍大。 It is a pity/shame/no wonder that + 虛擬語氣從句 例：It is a pity that he should not e. 他若不來可真是遺憾。 It is obvious/apparent/clear that + 陳述語氣從句 例：It is clear that she doesn39。 (3) It ＋ 過去分詞 ＋ 從句 It is generally/monly believed /accepted/thought/held that ...+陳述語氣從句 例：It is universally acknowledged that trees are indispensable to us. 　 全世界都知道樹木對我們是不可或缺的。1It ＋ 不及物動詞 ＋ 從句 (1) It seems that 例：It seems that Alice is not ing to the party at all. 看來Alice根本就不準備來參加聚會了。1比較句型： (1)原級比較： 例：English is not so difficult a subject as Russia. 英語不是和像俄語一樣難的科目。 (2)一方超過另一方： 例：The weather of this year is a lot hotter than that of last year. 今年的氣候比上一年的氣候要熱得多。 (4) The + ~er + S + V, ~~~ the + ~er + S + V ~~~ 　 The + more + Adj + S + V, ~~~ the + more + Adj + S + V ~~~ （愈...愈...） 例：The harder you work, the more progress you make. 你愈努力，你愈進步。 (5) more…. than…與其說…倒不如說 例：Smith is more diligent than intelligent. 與其說Smith聰明倒不如說他勤奮。 (7) that 在前后比較中代替不可數(shù)名詞和特指的單數(shù)可數(shù)名詞 例：The traditional picture of St Nicholas is quite different from that of Father Christmas. (8) one 在前后比較中代替泛指的單數(shù)可數(shù)名詞。s. 與南京相比我更喜歡在北京有一套公寓，因為我想跟我媽媽住一起。 例：Salaries are higher here than those in my country. 這兒的工資比我們國家的高。1感嘆句型： (1) What a + Adj + N + S + V! 例：What an important thing it is to keep our promise!　 信守我們的諾言是多么的重要??！ (2) How + Adj + a + N + V!（多么...?。? 例：How important a thing it is to keep our promise! 遵守諾言是多么重要的事！ (3) How + S + V! 　 例句：How I want to go to Beijing. 我多么想去北京?。?表法猜測的句型： (1) must have done sth 一定做過某事 否定形式：can39。 She can39。 (2) may have done sth 可能做過某事 否定形式：may not have done 例：Philip may have been hurt seriously in the car accident. Philip 可能在這次車禍中傷得很嚴重。 (4) should have done sth 估計已經(jīng)做了某事 否定形式：should not have done 例：She should have arrived in her office by now. 她此刻估計已經(jīng)到達辦公室了。 It was careless of Tom to break the cup. (3) Sb. have / has / had no choice but to do... 某人除了做……別無選擇. 例句：We had no choice but to take a taxi for we39。s not /just like sb. to do sth.……的行為不/正像某人的一貫作風(fēng). 例：lt39。） 　 　例句：It pays to help others. 幫助別人是值得的。 (8) do all he could to do sth do what he could to do sth do everything he could to do sth 例：They were doing everything they could to help the fatherland. 他們在盡最大努力去幫助祖國。 It39。2動名詞常用句型： (1) ...have trouble/difficulty/a hard time/a difficult time (in) doing sth. (有困難做某事) 例：People from the two countries do not have any difficulty in understanding each other. 來自那兩個國家的人們在相互理解上是沒有困難的。t say a word. 一聽到這個出乎意料的消息，他驚訝到說不出話來。 (4) There is no need/use harm/hurry in doing sth 例：There is no need in sending such expensive present. 沒有必要送這樣貴重的禮物。 (6) It39。 (7) It39。s a waste of time watching TV programme as this. 2as if/though 句型： 例：He spoke to me as if I were deaf. 他那樣給我說話，就像我是聾子似的。2‘IF’虛擬條件句 (1) 與過去事實相反 例：If the man had pointed with his first finger while he was in Brunei, everyone would have thought that he was very rude. 在Brunei，如果那人用第一個手指指著的話，那人人都會認為他很不禮貌。 (3) 與將來事實相反 例：If I had (should have) time tomorrow, I would certainly help you. 如果我明天有空的話，我當(dāng)然會幫助你的。 Were I your father, I would not give you the money. 如果我是你父親的話，我就不會給你那錢了。2Not until 句型 (1) 陳述句 not until 直到……才 例：Last night I didn39。clock. 昨晚我11點鐘才睡覺。t until…that... 直到……才……. 例：It wasn39。 (2) It is + + since S +持續(xù)性謂語動詞（表否定） 例：It is three years since she lived here. 她已三年不住這兒了。2If only...! 真希望……!若是……那該多好啊! (1) 謂語動詞用過去式表現(xiàn)在：如： 例：If only I knew his name! 要是我知道他的名字就好了。 (3) 謂語動詞用could/would表將來：如： 例：If only I could see him again! 要是我能再看到他多好?。? If only she would accept my invitation! 要是她接受我的邀請該多好啊12讓步狀語從句： (1) Adj./n./adv. + as/ though+ Subject（主詞）+ be, S + V~~~ （雖然...） 例句：Rich as our country is, the qualities of our living are by no means satisfactory. 雖然我們的國家富有，我們的生活品質(zhì)絕對令人不滿意。ll always stand by you. 不論發(fā)生什么事,我都永遠支持你. (3) However + adj/adv + S + V, 盡管…… 例：You won39。 (4) whatever/whoever/whenever/wherever + S + V，無論什么/哪里…… 例：Wherever I am I will be thinking of you. 不管我在哪里我都會想到你。ll have to do it. 不管你喜歡不喜歡，你必須做這件事。2違反常規(guī)的冠詞位置句型： (1) so/as/that/too/how +adj. + a/an + n. 例：He is as good a student as you. 他和你一樣是個好學(xué)生。 You can hardly imagine how clever a boy he is. 你幾乎想象不到那孩子有多聰明。