公開課-虛擬語氣在if條件句中的用法課件

1、 如果我有一千萬，我就能買一棟房子. 我有一千萬嗎？ 沒有。 所以我仍然沒有房子。 如果我有翅膀，我就能飛。 我有翅膀嗎？ 沒有。 所以我也沒辦法飛。 如果把整個太平洋的水倒出， 也澆不息我對你愛情的火 整個太平洋的水全部倒得出嗎？ 不行。 所以我并不愛你。精品The Subjunctive Mood虛擬語氣 These show your good wishes or dreams. It is evident that they are not real or they cant come true (表示說話人的愿望、假設、猜測或建議，而不表示客觀存在的事實。)romantic , un

2、realistic, best wishes 精品Unit 1 Art虛擬語氣Subjunctive Mood (I)7/15/2022精品英語動詞有三種語氣， 陳述語氣，祈使語氣和虛擬語氣。陳述語氣 (The Indicative Mood):用來陳述一個事實，或提出一種看法，有肯定、否定、疑問或感嘆等形式。I am not interested in what you said.Have you ever been to France?What a splendid palace!We had many trees planted last year .精品祈使語氣(The Imperat

3、ive Mood),用來表示請求、邀請、命令、警告或勸告等。Lets have a talk.Dont jump in the queue.Open the door ,please .精品虛擬語氣(The Subjunctive Mood)定義：表示說的話不是事實，或者是不可能發(fā)生的情況，而是一種愿望，建議，假設。If I were you, I would go there.I wish I were a bird flying in the sky.I suggest you should follow your fathers advice .精品Subjunctive Mood 虛擬

4、語氣在if條件句中的用法精品 If I were a child, I would be happier.精品If he were a bird , he could fly in the big blue sky.精品If I had a lot of money, I would buy a villa （別墅）. 精品1.If I were a child, I would be happier.2.If he were a bird , he could fly in the big blue sky.3.If I had a lot of money, I would buy a v

5、illa .When(時間）Structure (結(jié)構(gòu)） 與_事實相反(現(xiàn)在,過去,未來) If sb_， sb_.Discover1 現(xiàn)在 were/did(動詞過去式）. would/could do(動詞原形) 精品Practice1 Tell what the following people are thinking.Two-year-old: If I _(can) talk, I _(tell) my mother that I hate peas.14 year-old: I _(be) happier if I _(can) drive. 16-year-old: If I

6、_(have) a car, my friends andI_ (go) out every night.19-year-old: If I _(have) a lot of money, _(attend) a private(私立的) university. could would tell would be could would attend had had could go精品If you had worked hard ,you would have passed the exam .精品If they had had enough rain last year, they wou

7、ld have gained good harvest.精品If he had driven more carefully yesterday, he would not have had the car accident .精品1.If you had worked hard ,you would have passed the exam .2.If they had had enough rain last year, they would have gained good harvest.3.If he had driven more carefully yesterday, he wo

8、uld not have had the car accident.When(時間）Structure (結(jié)構(gòu)） 與_事實相反(現(xiàn)在,過去,未來) If sb_, sb_.Discover2 過去 had done(動詞過去分詞） would (not) have done(動詞過去分詞）精品Practice 2 1.I _ (study) English when I was a child if I _(know) the importance (重要性)of it. 2.I didnt see your sister at the meeting. If she_ (come), she

9、_ (meet) my brother. 3. Miss Jiang explained the homework to the class yesterday. If Judy _(pay) more attention at the time, he_ (not miss) her instructions(介紹). would have studied had known had come would have met had paid would not have missed 精品If it were/ should be fine tomorrow , I would go to

10、see him.精品If I should visit/ were to visit/ visited the school next time, I would go to the library .精品If they should play/were to play / played better next time , they would not fail again. 精品1.If it should be/were fine tomorrow , I would go to see him.2.If I should visit/ were to visit/ visited th

11、e school next time, I would go to the library .3.If they should play/were to play / played better next time , they would not fail again.When(時間）Structure (結(jié)構(gòu)） 與_事實相反(現(xiàn)在,過去,未來) If sb_, sb_.Discover3 未來 would (not) do were/ should be/ should do / were to do / did 精品Practice3 1.If it _ (rain) tomorrow,

12、 we _ (not go) out.2. I dont like exams. If there _ (be) no exam tomorrow, I _ (see) a movie.3. Eason doesnt think he will ever win a singing Competition（比賽）. If, by chance, he _ (win), he _ (spend) the prize money on a computer. should rain/were to rain/rained would not go would see would spendwere

13、/should be were to win/should win/won精品Conclusion 虛擬語氣在if條件句中的用法When If sb_(條件句)Sb _（主句）與現(xiàn)在事實相反 與過去事實相反 與將來事實相反 助動詞 be用 were 實義動詞 do 用 did would should + do sth could mighthad donedid / were should dowere to dowould should + do sth could mightwould should + have done sth could might精品注意點1:省略if的條件句有時

14、侯在使用時可省略if,句子則可換成下列形式，即“were / had / should +主語”。 如1.If I were a boy, I would join the army.2. If he had taken my advice, he would have succeeded. 3. If it were not for the expense, I would go to Britain. Were I a boy, I would join the army.Had he taken my advice, he would have succeeded.Were it not

15、 for the expense, I would go to Britain.注: If it were not / had not been for 也是常見的虛擬句型, 意思是“要不是” 例如:If it had not been for your help, we would not have achieved so much in our work. If it were not for the wise decision, we could not be living a happy life.精品注意點2: 時間錯綜條件句 當條件狀語從句表示的行為和主句表示的行為所發(fā)生的時間不一

16、致時，動詞的形式要根據(jù)它所表示的時間作相應調(diào)整。 If you had followed my advice yesterday, you would be better now.He might be praised now, if he had made rapid progress .精品注意點3: with,without , but for ,but,or,otherwise等形式的含蓄條件句。 在虛擬語氣中，有的句子可能沒有明顯的由“if”引導的條件從句，但是句子中隱含著一個條件，這種句子稱為含蓄條件句Without air (If there were no air)，there

17、 would be no living things. 如果沒有空氣的話，就不會有生物了。But_for your help (If it hadnt been for your help) I couldnt have done it. 要不是你的幫助，我就不可能完成這件事。精品1. Without sunlight, peoples life different from today.2. But for the rain we _(有)a pleasant journey today.3. He is not a careful driver; otherwise he (不會撞) _t

18、he tree yesterday.would be should havewouldnt have hit精品注意點4: If only 要是就好了(假設) If only I knew his name!If only we had followed your advice!If only I could see him again!要是我們的父母能和我們住在一起就好了。要是我沒錯過火車就好了！If only our parents could live with us!If only I hadnt missed the train!精品If the God _(give) meanother chance，I_ (tell)the girl three words: I love her! If our love _ (have to) be s