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人教新目標(biāo)版九年級英語第一單元單元分析及教材全解(編輯修改稿)

2025-07-06 22:09 本頁面
 

【文章內(nèi)容簡介】 How much6.How often7.How far②I study by working with friends/a group.我通過和朋友協(xié)作/參加學(xué)習(xí)小組來復(fù)習(xí)功課。介詞by之后的賓語,除了用名詞以外,還可以用動詞ing形式,即動名詞形式。動詞之后跟動名詞或動名詞短語,意思是“通過/靠/用(做……)”,表示方式或途徑。介詞“by+動詞ing短語”在句子中的作用常見的有如下幾種:a.表示做事的方法。如:She made smoothie by cutting up fruits and grinding them.她切碎水果并將其粉碎來制作功能飲料。They moved the machine by pushing on the wood.他們借助在木頭上推動的方式移動機器。b.表示取得某種結(jié)果的手段。如:I bought my bike for 200 yuan by bargaining.我通過討價還價,花了200元買了這輛自行車。They solved the problem finally by persuading both sides.他們最后通過說服雙方解決了問題。c.表示形成某種結(jié)果的原因。如:The boy hurt his leg by having a fall.那個男孩摔了一跤,腿部受傷了。She caught a cold by walking in a rain.她因為淋雨而患了感冒?!纠}】對下面句子的劃線部分提問。1.I learn Englishby reading English magazines.2.He can be a real manby helping you.3.We went to Englandby air.③Do you ever practice conversations with friends?你和朋友練習(xí)過對話嗎?a.ever是副詞,意思是“曾經(jīng)”“以前”,常用于詢問或介紹某人經(jīng)歷的場合,常和一般時或完成時連用,多見于疑問句和由if所引導(dǎo)的從句中:如:Have you ever been to Shanghai?你去過上海嗎?Does he ever eat apples?他吃過蘋果嗎?b.ever用于否定句中,解釋為“不曾”“從未”等。not…ever的意思相當(dāng)于never,但是在現(xiàn)實使用中若遇到要表達“不曾”“從未”之類意思,人們習(xí)慣于用never代替not…ever。如:They have not ever met each other by now.=They have never met each other by now.他們在此之前不曾見過面。She has not ever been abroad.=She has never been abroad.她未曾出過國。④practice和practise作為動詞,practice和practise兩種拼寫都正確,前者用于美國英語中,后者用于英國英語中。作為名詞,practice不能寫成practise。a.practise用作及物動詞時后面可接名詞或動詞ing形式,但不可接動詞不定式。practise意為“練習(xí)”“訓(xùn)練”;也可指“實行”“開始從事于”。如:They39。re practising singing the new song.他們正在練習(xí)唱那首新歌。It39。s very important to practise listening.練習(xí)聽力是非常重要的。b.practise還可用作不及物動詞。如:Practise more and you39。ll make great progress.勤練習(xí),你會取得很大進步。Don39。t forget to practise after class.課后別忘了練習(xí)。c.practice作不可數(shù)名詞,意為“練習(xí)”“實習(xí)”“實際”“實踐”“實施”。如:The idea would never work in practice.那主意不能付諸實施。We should put theory into practice.我們應(yīng)理論聯(lián)系實際。Practice makes 。d.practice作可數(shù)名詞,意為“習(xí)慣”“慣例”“生意”。如:A cup of milk before going to bed is my usual practice(=habit).睡前喝杯牛奶是我的習(xí)慣。There is a practice of closing shops on Sundays.有星期日休業(yè)的慣例?!咀ⅰ款愃苝ractice這種接動詞ing形式作賓語的動詞還有enjoy,finish,keep,gave up,mind,suggest,can39。t help等。如:He enjoys skiing very much.他非常喜歡滑雪。He had finished writing the letter when I went in.我進去時他已寫完信了?!咀ⅰ勘容^practice與exercise的區(qū)別:practice是指與理論相對的應(yīng)用、實施,經(jīng)常或有系統(tǒng)的重復(fù)、練習(xí)以及習(xí)慣。而exercise是指為提高技巧或業(yè)務(wù)水平而設(shè)置的練習(xí)或體格訓(xùn)練。如:We should put theory into practice.我們應(yīng)該把理論付諸實踐。A group of soldiers are leaving for exercises in the mountains.一隊?wèi)?zhàn)士將去山里演習(xí)。The doctor advised her to take more exercise.醫(yī)生勸她多運動。(不可數(shù)名詞)⑤What about reading aloud to practice pronunciation?通過朗讀來練習(xí)發(fā)音怎么樣?a.What about引起的問句可表示說話人的建議,常用于征詢對方意見,后接名詞、代詞或動詞ing形式;如:What about this white shirt? 這件白襯衫怎么樣?What about some noodles/fruit juice? 來點兒面條/果汁怎么樣?What about something to eat/to drink?要不要吃些/喝些什么?(不定式to eat作定語,修飾不定代詞something)b.What about引起的問句還常用來詢問對方一個前面已經(jīng)提到過的相同情況或觀點,常譯成“……怎么樣?”或“……呢?”。如:My gloves are green. What about yours?我的手套是綠色的,你的呢?My parents are both fine. What about yours?我父母身體很好,你父母好嗎?【注】由于about是介詞,所以What about后面的動詞須用ing形式,不能接動詞原形。上述What about均可用How about代替。C.read aloud大聲讀【點撥】aloud/loud/loudly都可以表示“大聲地”意思。(1)aloud副詞,“出聲地,高聲地”,常與read,call等動詞連用,強調(diào)“從不出聲到出聲,別人能聽見但聲音不是很大”的情況;它沒有比較級和最高級形式。(2)loud副詞,“高聲地,大聲地,喧噪地”,常用于talk,speak,laugh等動詞之后,強調(diào)“聲音響亮”。此外,loud還可以作形容詞“高聲的,響亮的”,修飾名詞或作表語。(3)loudly副詞,“高聲地,喧噪地”,一般可以和loud互換,但含有喧鬧的意思,比較級一般用louder。請用loud, aloud, loudly填空。①Li Lei, it’s your turn to read the wordsaloud.②Don’t talk so aloud/loudly. The baby is asleep.③Please speaklouderso that I can hear you clearly.④The boy is speaking to his mother in aloudvoice.⑤Lots of people spokeloudlyin the street. It was too noisy.⑥現(xiàn)在完成時的用法歸納a.現(xiàn)在完成時是由助動詞have(第三人稱單數(shù)用has)+動詞過去分詞構(gòu)成。have studied,have worked,have written。b.現(xiàn)在完成時具有兩個時間概念,一是過去,一是現(xiàn)在。謂語動詞所表示的動作雖然發(fā)生在過去,但該時態(tài)強調(diào)的是對現(xiàn)在的影響或結(jié)果,而這種影響或結(jié)果往往是說話人的興趣所在,所以句中通常不帶時間狀語。如:The boy has e 。(現(xiàn)在在家)I39。ve lost my 。(現(xiàn)在沒鋼筆用)。c.現(xiàn)在完成時可用來表示持續(xù)的動作或狀態(tài),常和for或since引導(dǎo)的表示一段時間的狀語連用,這時,謂語動詞的動作通常是持續(xù)性的。一般情況下,這一動作或狀態(tài)今后還會延續(xù)下去,但也有可能不再延續(xù)。如:I have lived here for more than twenty 。I have been here since last January/since I came here.自從去年一月以來/自從我來這兒以來,我就一直在這兒。Nothing has happened (ever) 。d.非持續(xù)性動詞用現(xiàn)在完成時的時候通常不帶表示時間段的狀語,因此不和for或since短語(從句)連用。如不能說I have bought the house for two years/since two years ago,而要說I bought the house two years ago或It39。s two years since I bought the house。但是非持續(xù)性動詞現(xiàn)在完成時的否定形式可以和for或since短語(從句)連用,表示這種否定狀態(tài)的持續(xù)時間。如:I haven39。t bought anything for a week/since you left.我已有一個星期沒有買任何東西了。/自從你離開以來我沒有買過任何東西。e.現(xiàn)在完成時是一個現(xiàn)在時態(tài),所以它可以和包括“現(xiàn)在時刻”在內(nèi)的時間狀語連用,如:now, today, this morning/week/month/year, by now, so far, up to now, already, before, just, ever, never, always, recently, lately等。如:I have done nothing 。We have had four lessons this morning.今天上午我們上了四節(jié)課。(說話時是午飯前或第四節(jié)課剛下課)Have you seen her before? 你以前見過她嗎?f.在時間狀語從句和if狀語從句中,有時需用現(xiàn)在完成時表示將來,以使句子意思完整。如:I39。ll join you when I have done the work.(我做完事就過來。)這一句的when時間狀語從句中如用一般現(xiàn)在時do表示將來,則句意不成立,因為對于同一個人來說join和do不能同時發(fā)生。再如:I39。ll wait until she has written the letter.(我愿等到她把信寫完。)g.當(dāng)強調(diào)行為的執(zhí)行者、行為方式、行為場所、行為原因、行為時間時,句中謂語動詞通常用一般過去時,而不用或很少用現(xiàn)在完成時,間或用現(xiàn)在完成時是為了強調(diào)結(jié)果。如:Who did it? And how did he do it? Why did he do it? Where did he do it? When did he do it? (這件事是誰干的?他是怎樣干的?他為什么干?他是在哪兒干的?他是在什么時候干的?)Where and when did you get it?(這個東西你是在哪兒什么時候買的?)但我們要說:Where have you been? (你上哪兒去啦)?而不說Where were you?但可以說Where did you go?h.非持性動詞的現(xiàn)在完成時不能和for或since狀語連用,但如果將該動詞改成狀態(tài)性(通常為連系動詞+形容詞或副詞)的系表結(jié)構(gòu),其現(xiàn)在完成時就可以和for或since狀語連用。如不能說I have got up for half an hour, 但可以說I have been up for half an hour或It39。s half an hour since I got up。⑦I39
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