浙江省临海市第六中学高中英语 M6U2 Grammar学案（无答案）新人教版选修6.doc

unit 2 poems(grammar)学习目标： 了解和熟练运用if条件句与主句在过去、现在和将来三种时态中的正确形式。 掌握在含蓄条件句中(withoutbut for orotherwise)虚拟形式。一些特殊的词（wish if onlyas ifwould rather）一些句型：表示建议、命令、要求的词，从句用（should）+do its necessary/important/pity/strange/natural+从句用（should）+do its (high) time that 从句用（should）+do学习重点与难点：key points辨别和熟练运用各类句型。difficult points错综句型 if条件句的省略 insist/suggest/as if 的注意点【before class】 【自主学习】1. 规则虚拟：即含if 从句的复合句，表示与事实相反。时间if从句主句过去现在将来注意：1) 交叉时间虚拟：即主、从句不在同一时间，注意各自的时态。2) 虚拟与非虚拟：即一句与事实相反，用虚拟；另一句与事实一致，用实际时态。3) 虚拟中的倒装：如if从句中含should, had, were等，可将其置于句首，且省略if。 4) 介短、副词代替if从句：如without, but for, in the absence of (如果没有), or, otherwise2. 表示建议、要求、劝告、命令类词 + 名从中的虚拟，从句动词:(should) do 一个坚持： insist 两个命令： order command 三个建议： advice suggest propose 四个要求： demand require request desire 注意：当insist为“坚持已发生或存在的事实”，suggest为“暗示、表明”时，要用陈述语气，即实际时态。3. wish/as if /though,/if only(要就好了)/ would rather等词 + 从句：从句时态向后退一格：即表示现在、将来用did / were / was; 表示过去用had done。4. 句型： 1) it is important / necessary / natural / strange + 从句 it is a shame / pity / no wonder+ 从句. 以上从句谓语动词皆为：(should) do 2) its (high) time that 从句+（should）+do【while class】 【合作探究】i、用所给动词的正确形式填空，注意使用合适的情态动词助动词1. if i _(see) him yesterday i _(ask) him about it. 2. what do you think would happen if there _ (be) no light during the days? 3. but for your help, i couldnt _(find) the place. 4. if her lawyer _ (be) here last sunday, he _ (prevent) her from going. 5. if miss green _ (come) late tomorrow, who would take her place? 6. it seems as if it _ (be) already summer now. 7. i wish i _ (see) him the day before yesterday. 8. i made the suggestion that they _ (stick) to the plan they had made. 9. it is suggested that a study plan _ (make) right now. 10. they required that we _ (help) them get in the crops. 11.id rather tom _ (come) tomorrow. 12.it is about time you _ (take) the medicine, sir. 13.if there _ (be) no electricity in the future, our life _ (change) a lot. 14. what would have happened if you (not help) her child? 15. i wish i (meet) my uncle yesterday. ii、完成句子(每空一词):1.真想不到我们俩会在这里见面. its strange that we here. 2.如果没有参加玛丽的生日聚会的话,我们彼此就不会认识了. if we _ _ _ _ marys birthday party, we _ _ _each other. 3. 这么近的路,我们应该步行到车站来。 是啊,根本没必要乘出租车。we to the station, it was so near. yes. a taxi wasnt at all necessary. 4.万一明天下雨的话,我们将不得不推迟比赛。 _ it rain tomorrow, we to put off the match. 5. 假如他来不了, 我们怎么办呢？ if he _ _ _ _, what _ we say to him.【当堂检测】句型转换1.it is necessary for college students to master at least one foreign language. =it is necessary college students at least one foreign language. 2.without sunlight, there would be neither plants nor animals. = sunlight, there would be neither plants nor animals. 3.she insisted on translating the sentence this way. =she insisted that the sentence this way . 4.the students suggested going there on foot. =the students suggested there on foot. 5.she suggested that we should go to his help. = is that we to his help. 6.lucy didnt come to class today because she didnt feel well. = she well, she to class today. 7.i dont know french, so i cant talk to the french friends. =if i french, i could talk to the french friends. 8.he didnt take his parents advice and he is not a college student now. =if he his parents advice, he a college student now. 【homework】 虚拟语气选择题1.who is the beautiful girl standing at the school gate?well, if you _ know, her name is nancy.a. may b. can c. must d. shall2when shall we meet your cousin at the station?his plane took off 2 hours ago, and it _ reach at 5 pm.a. should b. could c. must d. can3without the help of my english teacher, i _ the first prize in the english speaking competition.a. would win b. would have wonc. would not win d. would not have won4 it _ be really cold in november in hefei though we usually have warm and sunny days.a. should b. will c. must d. can5i _ to your birthday party last sunday.unfortunately, you were out on business.a. had come b. came c. would come d. would have come6mum, would you please buy me an mp5 player?if you can help do the dishes the whole vacation, you _ have one as a reward.a. must b. need c. would d. shall7 i _ you my bicycle, but i didnt expect you would come back so soon.a. might lend b. may lend c. must have lent d. might have lent8i rang you yesterday afternoon. a man answered, but i didnt recognize the voice.oh, it _ my uncle. he was in my room then.a. must have been b. should have been c. must be d. should be9its hard to believe that jack _ have