课时讲练通高中英语 课堂15分钟达标练 Module 6 Unexplained Mysteries of the Natural World Period 3 Grammar 外研版必修4.doc

课堂15分钟达标练 module 6 unexplained mysteries of the natural world period 3 grammar . 根据括号内汉语提示完成句子1. you _ _ _ (本不必写)such a long essay. the teacher only asked for 300 words, and you have written 600. 2. mary _ _ _ (不可能偷)your money. she has gone home. 3. there is nowhere to find them. where _ they _ _ (可能去)?4. she didnt get there in time. she _ _ _ (可能错过)the bus. 5. without your help, i _ _ _ (本不会取得)so much. 6. the flowers have died. i _ _ _ (本来应该浇水)them often. 7. its only five minutes walk. we_ _ _ (本不必乘)a taxi. 8. they _ _ _ (本来可以完成)the work yesterday, but it was raining hard. 9. if he had worked hard, he _ _ _ (本来会通过)the college entrance examination. 10. i didnt hear the phone, i _ _ _ _ (肯定是睡着了)last night. 答案：1. neednt have written 2. cant have stolen 3. can; have gone4. may have missed 5. wouldnt have achieved 6. should have watered 7. neednt have taken 8. could have finished 9. would have passed 10. must have been asleep . 单句改错1. she may not have gone to work. its sunday. ()2. i have not seen him for quite a long time. he might have been very busy. ()3. she is two hours late. what could have happened?()4. jenny shall have kept her word. i wonder why she changed her mind. ()5. i was really anxious about you. you neednt have left home without a word. ()6. there was plenty of time. she couldnt have hurried. ()7. you can have come here a little earlier, but you missed a very important lecture. ()8. he should have arrived home by now. lets ring him up again. ()9. if they informed us, we would not come here now. ()10. if i was you, i would try my best to grasp the chance. 答案: 1. maycan或could2. mightmust3. couldcan4. shallshould5. needntshouldnt6. couldntneednt7. cancould8. shouldmay/might9. informed前加had10. waswere【规律方法】虚拟语气的基本用法虚拟语气表示与现在事实相反的假设, if从句的谓语形式用动词的过去式(be一般用were), 主句用would/should/could/might+动词原形。例如: if i were in your position, i would marry her. 虚拟语气表示与过去事实相反的假设, if从句的谓语形式用过去完成时, 即had+过去分词, 主句用would/should/could/might+have+过去分词。例如: if it had not rained so hard yesterday, we could have played tennis. 虚拟语气表示与将来事实相反的假设, if从句的谓语有三种形式: 动词过去式、were to+动词原形、should+动词原形, 主句用would/should/could/might+动词原形。. 语法填空阅读下面材料, 在空白处填入适当的内容(1个单词)或括号内单词的正确形式。bill: you were late again this morning. you 1. _ have come here earlier. mary: oh, sorry. i didnt know the meeting would start so early. you could 2. _ (tell)me the time of the meeting when you called me but you didnt. bill: i 3. _ (forget)it at that time. but i 4. _ (send)you a message on your phone later. you look very tired, so you 5. _ have stayed up late last night, didnt you?mary: i had some paper work 6. _ finish last night, so i went to sleep very late. i was so busy 7. _ i didnt see your message. bill: i went to the supermarket the other day, and saw a book 8. _ i thought you might need, so i 9. _ (buy)one for you. mary: you needn