1、Subjunctive Mood in if-clausesif條件從句的虛擬語氣語氣語氣是動詞的一種語法范疇，它表示說話人對某一行為或事情的看法和態度。語氣有三種: 陳述語氣：表示所說的話是事實 祈使語氣：表示所說的話是請求或者命令 虛擬語氣：表示說話人的主觀愿望、猜想、建議或者與事實不相符的假設He is a teacherOpen the window , please虛擬語氣虛擬語氣 虛擬語氣表示說話人的主觀愿望、猜想、建議或者與事實不符的假設等，可以表示可能性較小或者基本不可能發生的情況。Eg:如果今天晚上他們邀請我去，我會同他們一起去的如果今天晚上他們邀請我去，我會同他們一起去的I

2、f they invite me this evening , I will go with themIf they invited me this evening , I should go with them陳述語氣，說話人認為被邀請的可能性很大陳述語氣，說話人認為被邀請的可能性很大虛擬語氣，說話人認為被邀請的可能性很小或者根本不可能虛擬語氣，說話人認為被邀請的可能性很小或者根本不可能時間時間IF條件句謂語條件句謂語主句謂語主句謂語現在現在（與現在事實相反）（與現在事實相反）Might/would/should/could+do(動詞原形動詞原形)過去過去（與過去事實相反）（與過去事實相反

3、） Might/would/should/could+have done將來將來（與將來事實相反）（與將來事實相反）Might/would/should/could+do(動詞原形動詞原形)Did(be 用用were)媽媽我我受受苦苦Had done1.Did2.Should do3.Were to do對現在虛擬If I had time , I would go with you .如果我現在有時間，我就會和你一起去。If I were you , I would study hard at school instead of sleeping in class.如果我是你，我會在學校好好

4、學習而不是上課睡覺。Eg : Sorry , Im too busy now . If I time , I would certainly go for a a walk with you A.have had B.had had C.have D.hadD對過去虛擬If I had met you , I would have told you the news.如果我昨天見到你了，我就把消息告訴你了Eg: If you my advice yesterday , that chance . A. followed ; wouldnt have missed B. had followed

5、 ; wouldnt have missed C. had followed ; wouldnt miss D. were to follow ; wouldnt missB對將來虛擬If it should rain , the crops could be saved.如果下雨，莊稼一定有救If it were to rain tonight , we would not go out如果今晚下雪，我們就不出去了If I saw him tomorrow , I would pass your note to him如果我明天見到他，我就把你的便條給他 If I were very ric

6、h now , I would buy you an iphone6. If I had had much money last year , I would have bought you an iphone6. If I were to have much money , I would buy you an iphone6. If I （be） the schoolmaster now , I (let) the students take a rest once in a while to make their learing more effective.werewould let

7、If Tom (drive) more carefully , he (have) the accident yesterday.had drivenhave had Situation 1 What you do if you the lottery in the future? If I the lottery I wouldwonwonwould Situation 2 Li Ming is 28 years old . His parents want him to get as soon as possible . But what kind of girl should he choose.Give him suggestion using “if I were you ,I ”If I wer