If条件句的虚拟语气导学案-高考英语一轮复习.docx

If条件句的虚拟语气导学案Subjunctive moodTeaching goals:1. Guide the Ss to learn the usage of subjunctive mood used in IF conditional clause. 2. Help the Ss use subjunctive mood with IF to express wishes.【课前预习】1. Find more examples of the subjunctive mood from the text and find out the rules in different situations according to the following examples.【教学过程】1. 虚拟语气的定义虚拟语气表示说话人的愿望，假设，猜测或建议，而不表示客观存在的事实。虚拟语气通过谓语动词的特殊形式来表示。2. If条件句虚拟语气的主从句的谓语动词形式。Read the following sentences and find out the rules of the Subjunctive mood.task1: If I had much money, I would control my fate. If I had a lot of money, I could buy a ship. If I bought a ship, I should sail for America.If 从句的谓语形式主句的谓语形式Practice:a. If they _ (be) here, they _ (take) your advice.b. If the world-war _ (burst) out again, what _ (happen) to our people on earth?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. task2: If I hadnt won the ticket, I wouldnt have been on board.If I hadnt been on board, I wouldnt have met you.If the ship hadnt hit an iceberg, it wouldnt have sunk.If 从句的谓语形式主句的谓语形式Practice:a. If I _busy last night, I _ to see the film with you.b. If he_ more carefully, he _the car accident yesterday.c. If I _(learn) how to swim, I _ trapped in this island.task3:If we were/should be/ were to be alive，I would marry you some day. If we married/ should marry/ were to marry, we would live a happy life in the future. If 从句的谓语形式主句的谓语形式Practice: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?c. If Robots _ (control) the world some day, here _ (be) no friendship. task4 错综虚拟句：当虚拟条件句所表示的与主句表示的时间不一致时，主从句根据各自所发生的时间选用虚拟语气形式。 If you had taken my advice yesterday, you would be much better now.Practice: a. If I_(not have) an exam tomorrow morning, I_(go)shopping with you yesterday.b. If she_(work)hard in college, she_(not be)a waitress now. 3. Summary时 间从句谓语形式主句谓语形式与现在事实相反与过去事实相反与将来事实相反4. Competition5. Writing3学科网（北京）股份有限公司