選修七module2導學案2

1、選修七Module 導學案班級：姓名：設(shè)計人：陳巍 第2 課時 課型： Grammar 備課審核： 教研組審核： 教務處審核： Period 2 Grammar一 學習目標： 知識目標：鞏固時間狀語從句和省略 能力目標：A學會談論“過去與現(xiàn)在”,（注意use to的用法）；B提高學生的語言表達能力； 情感目標：溫故知新，學以致用?！局仉y點】時間狀語從句和省略課前預習案一Grammar: 時間狀語從句常見引導詞；when, while, as(當時); as soon as, the moment, directly, immediately(一就); until, till(直到); befo

2、re(在.之前); after(在之后); since, ever since(自以來); once(一旦); whenever(任何時候); every time, each time(每次).1時間狀語從句 = 1 * GB2 when 的用法 = 1 * GB3 When 引導的時間狀語從句的謂語動詞可以是延續(xù)性的，也可以是非延續(xù)性的，既可以是從句動作與主句動作同時發(fā)生，也可表示從句的動作先與主句動作發(fā)生。When he reached home, it was getting dark. (主從句動作同時發(fā)生)I shall tell her the good news when sh

3、e comes. (從句動作先于主句動作發(fā)生) = 2 * GB3 當 when 引導的從句謂語動詞是延續(xù)性的，when 類似于 while.When (while) he was crossing the road, he was knocked down by a passing car. = 3 * GB3 when 還可以做并列連詞，表一個動作即將或正在進行的時候，突然發(fā)生了另外一件事。其意義為“那時”“這時”，相當于 at this that timeWe were having a meeting when someone broke into.We were about to g

4、o out, when it suddenly began to rain. = 4 * GB3 when 還可表原因“既然”It was foolish of you to take a bus when you could easily walk there in five minutes. = 2 * GB2 while的用法 = 1 * GB3 while 引導的從句謂語動詞為延續(xù)性的，表示“與同時”“在其間”從句常用進行時態(tài)，強調(diào)某一時間內(nèi)主句和從句的動作同時發(fā)生。Someone knocked at the door, when (while) I was watching TV.

5、Strike while the iron is hot. = 2 * GB3 while 有時可以表示前后兩種情況進行對比，作為并列連詞 “而，卻”He likes pop music, while I am fond of folk music. While 放在句首引導從句，譯為“盡管” While I think you idea is good, I dont quite agree with everything. = 3 * GB2 as的用法as 表示“當時候”或“一邊一邊”，as 的從句中可使用延續(xù)性動詞，也可使用非延續(xù)性動詞。He sang as he was workin

6、g.As time goes by, we have a better understanding of things around us. As I get older, I get more optimistic.(4) till, until 引導的時間狀語從句till 引導的時間狀語從句主句的動詞常是延續(xù)性的。而notuntil 引導的時間狀語從句主句的動詞常是短暫性的We will stay here tilluntil it stops raining.John did not announce the news till he was sure of it. Not until

7、置于句首時，主句的主語和謂語要倒裝，表示加強語氣。Not until Mary had heard that sound was she really frightened.(5) as soon as, immediately, directly, once, the instantly, instantly, no sooner. than, hardly scarcelywhen 引導的時間狀語從句，表示“一就”I came immediately I got your message.Once you lose confidence, you wont be able to do th

8、e work well.Jack had hardlyscarcely seen me when he left the classroom.當no sooner, hardly, scarcely 置于句首時，主句要部分倒裝.Hardlyscarcely had we gathered in the wheat when it began to rain.No sooner had we arrived at the station than the train left. (6) before 和since 若表達“還未就; 不到就，才，趁，還沒來得急”時，需用連詞before. We h

9、ad sailed four days and four nights before we saw land . 我們航行了四天四夜才看到了陸地。 We hadnt run a mile before he felt tired. 我們跑了還不到一英里他就累了。 Please write it down before you forget it. 趁你現(xiàn)在還沒忘，請把記下來。 Before I could get in a word he had measured me .我還沒來得及插話，他就給我量了尺寸。 before 在從句中謂語動詞不用否定式。Before they reached t

10、he station, the train had gone.他們（還沒）到火車站以前，火車就開走了。It will be + 一段時間+ before 多久之后才。 It will be half a year before I come back. = 4 * GB3 在“It is + 一段時間 + since 從句”句型中，時間的計算一律從動作完成或狀態(tài)結(jié)束時開始。從句動詞是短暫性動詞按原意思翻譯，延續(xù)性動詞按相反的意思翻譯。It is three years since the war broke out.戰(zhàn)爭爆發(fā)以來三年了。 It is three years since he l

11、ived here.他離開這里三年了。Grammar: 省略狀語從句的省略在表示時間、地點、條件、方式、比較或讓步等的狀語從句中，如果謂語含有動詞be, 主語又和主句主語一致，或主語是it，那么從句中的主語和謂語的一部分往往可以省略。Eg. When walking along the river, she met a stranger.If heated to a high temperature, water will change to vapor.動詞不定式省略，只保留to的場合 1. 不定式作某些動詞的賓語時，常見動詞如like, love, care, hope, wish, ex

12、pect, afford, forget, prefer, refuse, mean, try, advice, persuade, agree, want, remember, manage等。 You can do it this way if you care to. -You should have thanked her before you left. -I mean to , but when I was leaving I couldnt find her anywhere.2. 作介詞but, except, besides的賓語時，前面有實義動詞do時，常省略不定式符號to

13、. Tom had nothing to do besides answer betters this morning.3. 不定式作某些復合謂語時，常見結(jié)構(gòu)如be able to, be going to , have to, ought to, used to等。 He doesnt like fish but he used to. 注意：當省略的內(nèi)容是作動詞用的have或be的任何形式時,to 后面保留原形have或be. He didnt come, but he ought to have. Alice is not what she used to be.II.我的疑惑 請你將預

14、習中未能解決的問題和有疑惑的問題寫下來，等待課堂上與老師和同學探究解決。_課內(nèi)探究案.Translate the following sentences into English by using the words in bracket.(1) 我一見到他就告訴他這個消息。（as soon as）(2) 她一來到教室，就開始讀英語。(as soon as)(3) 我剛一到家天就下雨了。(no sooner than )(4) 他剛做完試卷，鈴聲就響了。(hardly when )(5) 他一來，你就可立即離開。（immediately）(6) 我一見到你，就認出你來了。(the moment

15、)(7) 每次見面，他都向我問候，說“你好！”(each time / every time)(8) 到18歲的時候，她已大學畢業(yè)了。(by the time). Ask Ss to change the sentences into elliptical sentences.She likes singing and she likes dancing.Is this the driver that you talked about yesterday?The man who is sitting by the window is Mr. Smith.He could not decide

16、whether to buy the car or not to buy the car.When it is heated, the metal expands.課后總結(jié)請對本節(jié)課的內(nèi)容進行二次領(lǐng)會和記憶。我的收獲-反思靜悟、體驗成功 _Suggested Answers:(1) Ill tell him the news as soon as I see him.(2) As soon as she came into the classroom, she began to read English.(3) I had no sooner got home than it began to

17、 rain. / No sooner had I got home than it began to rain.(4) He had hardly finished the test when the bell rang. / Hardly had he finished the test when the bell rang.(5) You may leave immediately he comes.(6) I recognized you the moment I saw you.(7) He greeted with “Hello!” each time he saw me.(8) By the time she was 18, she had already graduated from the u