[高二英語]高二英語選修六unit1-grammar

1、2021-12-21虛擬語氣虛擬語氣Subjunctive Mood (I)GRAMMER 語法語法2021-12-21(The Subjunctive Mood)表示說話人所說的表示說話人所說的話不是事實話不是事實, 而是一種假設(shè)而是一種假設(shè), 愿望愿望, 懷疑或推懷疑或推測。測。二二. if 虛擬條件句的概念虛擬條件句的概念由由 if 引導的虛擬條件句叫作引導的虛擬條件句叫作 if虛擬條件句虛擬條件句I could easily recognize him if I had seen before.三三. if Sentence Structure if 虛擬條件句的結(jié)構(gòu)虛擬條件句的結(jié)構(gòu)a

2、. 表示表示與現(xiàn)在事實相反與現(xiàn)在事實相反的假設(shè)的假設(shè)b. 表示表示與過去事實相反與過去事實相反的假設(shè)的假設(shè)c. 表示表示與將來事實相反與將來事實相反的假設(shè)的假設(shè)觀察觀察1：(1)If I were you, I should finish my homework at first. 如果我是你，我會先完成家庭作業(yè)。如果我是你，我會先完成家庭作業(yè)。(2) If I had time, I would go there. 如果我有空，我會去那兒。如果我有空，我會去那兒?？偨Y(jié)總結(jié)1： 表示與現(xiàn)在事實相反，表示與現(xiàn)在事實相反，if 從句用過去時從句用過去時were, V+ed, 主句用主句用would

3、/should/could+ V.(原形原形)If I won the lottery, I would buy an expensive car. If I had a lot of money, I would buy a villa.If I had a lot of money now, I would travel around the world.a. If they _ (be) here, they _ (take) your advice.b. If the world-war _ (burst) out again, what _ (happen) to our peopl

4、e on earth?werewould takeburstwould happenPRACTICE 1: Fill in the blanks.c. If the policeman _ (be not) in that room, it _ (be) very dangerous.d. If I _ (be) in your position, I _ (ask) for teachers help.were notcould bewerewould ask 觀察觀察2： (3) If you had come earlier, you could have caught that bus

5、. 如果你來早點，你就會趕上那輛公共汽如果你來早點，你就會趕上那輛公共汽車了。車了。 (4) If he had seen you yesterday, he would have returned your book. 如果昨天他看到你，他就會還你書。如果昨天他看到你，他就會還你書?？偨Y(jié)總結(jié)2：表示與過去的事實相反，：表示與過去的事實相反，if 從句用過去完成時從句用過去完成時had done 主句用主句用 would/could/should + have done.2. 與過去的事實相反與過去的事實相反從句的謂語從句的謂語用用had過去分詞過去分詞, 構(gòu)成構(gòu)成If I (we, you,

6、 he, they)had過去分詞的過去分詞的形式；形式；主句的謂語主句的謂語用用should(第一人稱第一人稱)/would (第二、三人稱第二、三人稱) /could/might have 動動詞過去分詞。詞過去分詞。 If we had reviewed the text, we should have pass the exam.If he _ (drive)more carefully, he _ ( not have)the car accident yesterday.had driven would not have had a. If Tom _ (be) more care

7、ful in the exam, he _ (pass) it already.b. If you _ (get) up earlier, you _ (catch) the first train.had beenwould have passedhad gotwould have caughtPRACTICE 2: Fill in the blanks.c. If I _ (meet) you yesterday, we _ (go) to the concert together.had metwould have gone(5)If he were to come tomorrow,

8、he should help me with my physics. 假如他明天來，他會幫助我復習物理的。假如他明天來，他會幫助我復習物理的。(6) If he should see me tomorrow, he would know me. 假如他明天看見我，就會認識我了。假如他明天看見我，就會認識我了。總結(jié)總結(jié): 表示于將來事實相反，表示于將來事實相反，if 從句可用從句可用were to ; should+v; 過去式過去式 主句用主句用would/should + v. (原原)觀察觀察3：If you succeeded, everything would be all right

9、.If you should succeed, everything would be all right.If you were to succeed, everything would be all right.a. If there _ (be) no natural resource any more, we _ (make) use of nuclear power.b. What _ (happen) if you _ (get up) too late tomorrow?should beshould makewould happenshould get upPRACTICE 3

10、: Fill in the blanksc. If Robots _ (control) the world some day, here _ (be) no friendship.were to controlwould be條件條件從句從句If 從句的謂語從句的謂語形式形式主句的謂語形式主句的謂語形式現(xiàn)在現(xiàn)在過去時過去時(were)would/could/should/might +v. (原原)1虛擬語氣在條件狀語從句中的用法。虛擬語氣在條件狀語從句中的用法。條件條件從句從句If 從句的謂從句的謂語形式語形式 主句的謂語形式主句的謂語形式過去過去過去完成過去完成時時would/could

11、/should/might + have+ p.p.條件條件從句從句If 從句的謂語從句的謂語形式形式主句的謂語形式主句的謂語形式未來未來1. 過去時過去時2. should+ v.3. were to dowould/could/ should/ might +v. (原原)二二. 虛擬語氣在虛擬語氣在wish后面的后面的賓語從句賓語從句中的用法中的用法1) 表示對表示對現(xiàn)在情況的虛擬現(xiàn)在情況的虛擬: 從句動詞從句動詞用用過去式過去式 (be動詞一般用動詞一般用were) 。 I wish I had a big house of my own.I wish I were as tall a

12、s you.I wish I were a bird.I wish every day were my birthday.I wish/wished I hadnt eaten so much watermelon.(2) 表示對表示對過去情況過去情況的虛擬的虛擬:從句動詞從句動詞常用常用“had過去分詞過去分詞”。對過去發(fā)生的事情表示遺對過去發(fā)生的事情表示遺憾和后悔。憾和后悔。The party was terrible, I wish I had never gone to it.(3) 表示對將來的主觀愿望表示對將來的主觀愿望: 從句動詞形從句動詞形式為式為 “ would動詞原形動詞原

13、形”。 但愿你立刻來。但愿你立刻來。I wish you would come soon.I wish it would rain tomorrow.關(guān)于虛擬語氣關(guān)于虛擬語氣 辯析辯析1關(guān)于虛擬語氣關(guān)于虛擬語氣 辯析辯析2 2關(guān)于虛擬語氣關(guān)于虛擬語氣 辯析辯析3 3關(guān)于虛擬語氣關(guān)于虛擬語氣 辯析辯析4 4從從A、B、C、D四個選項中，選出可以填四個選項中，選出可以填入空白處的最佳選項。入空白處的最佳選項。1. Have you ever been to Beijing? No, but I wish I _. A. have B. will C. do D. had2. If there we

14、re no water in the world, everything _. A. will die B. would die C. would have died D. have died 3. I wish that I _ with you last night. A. could have gone B. could go C. have gone D. went 4. If I _ you, I _ more attention to English idioms and phrases.A. was; shall pay B. am; will pay C. would be; would pay D. were; would pay 5. I wish that you _ such a bad headache because Im sure that you would have enjoyed the concert.A. wouldnt have B. didnt haveC. hadnt had D. ha