Lesson 68 纠缠不休教学用书：新概念二教学目标: 掌握生词和短语①persistent persist in sth/doing…avoid +n./doinginsistence on/about sth②insist on/persist in stick to/keep on教学重难点：①动名词的应用的用法及区别②动名词作动词宾语的用法③动名词的逻辑主语的表达形式④现在分词与动名词的比较：教学过程：引入：复习①.threaten to be surrounded with / by②just in time escape from /out of③managed to do / was able to④say 的用法的用法和区别New words and expressions1. persistent1）（人，行为）不屈不饶的；执拗的，顽固的persistent efforts 不懈的努力eg. He was persistent in his question.他一直追问到底。
2）（事物）持久的，不断的（lasting）persistent rain持续性的大雨persistent pain持续性痛persistent noise持续性噪音persistent backache持续性背痛persist [pə'sist] v.persist in sth/doing…坚持，执意eg. Does he always persist in his opinion like that?他总是坚持自己的意见吗？eg. She persisted in taking her dog with her.她坚持带着她的狗。
persistence n.[u.]坚持不懈,执意,持续eg. His persistence touches me.他的毅力感动了我。
2. avoid v.避开,躲避;避免,预防avoid +n./doingeg. Fortunately ,we were able to avoid an accident.幸运的是，我们避免了一场事故。
eg.He crossed the street to avoid seeing me.他穿过马路以便避开我。
avoidable adj.可避免的That makes no sense and it 's completely avoidable. 这是没有道理的是完全可以避免的。
v.+able 可…了,能够…lovable 可爱的acceptableadj 可接受的;合意的;（社会上）认同的;Understandable能懂的，可理解的，可同情的n.+able ------> adj.comfortable舒适的;安逸的，处于轻松的; / agreeable adj.充裕的令人愉快的，惬意的;有礼貌的;同意的，接受的;miserableadj .悲惨的;令人痛苦的/ suitableadj .合适的，适当的3.insist v.坚持做①insist on sth/doing坚持或坚决要求（某事物）②insist that sb (should) do …eg.I insist on your coming with us.我坚持要你跟我们来。
eg.I insist that you (should) go with us.我坚持认为你（应该）和我们一起去。
③insist v.坚持说，坚信，固执的声称eg.She insisted that she was innocent.eg.I insisted that I hadn’t done that.④insistence n.[u]TOEFLn.坚持；强调；极力主张insistence on/about sth区别insist on/persist instick to/keep oninsist on n./doing坚持要求，坚持认为（要求，看法，主张，意见）Eg.He insisted on his opinion at the meeting.在会上他坚持他的观点。
eg. She insisted on going with us.他坚持和我们一起、。
insist + that 从句有两种情况：1）“坚决认为，说”，从句用陈述语气。
eg. The Arab insisted that he had never seen the camel.阿拉伯人坚持说他从来没有见过骆驼。
2)”坚决要，坚决要求”，从句用虚拟语气。
eg. He insisted that she (should) leave.他坚持认为她（应该）离开。
persist in n./doing表示对某种活动坚持不懈或某种信念不改，固执eg. He insisted on playing golf.(玩了没有，不知道。
)他坚持要打高尔夫球。
eg.He persisted in practicing golf for an hour.(坚持练了一小时，动作已发生)stick to n./doing坚持不放弃愿望，原则，决定，诺言，理想…eg. We should stick to the study of Marxism-Leninism.我们应当坚持马克思列宁主义的研究。
eg.Stick to it!坚持不懈keep on : continue to do(“on”是adv.”继续”之意)eg.We kept on working although we are tired.虽然很累，我们继续工作eg.Keep on practicing and you’ll speak English well.坚持练习，你会说英语。
Key Structures----动名词的应用1.动名词作动词宾语avoid doing sthenjoy doing sthdeny doing sthfancy doing sth以下动词常跟动名词作宾语：admit appreciate avoid complete delay deny enjoy fancy finishmind stand practise resent risk suggest allow permiteg. He always avoids traveling during rush hours.eg. He enjoys playing football.eg. He completely denies taking it.eg. Fancy meeting you here.eg. Would you mind opening the window?eg. I don’t mind waiting.eg. I can’t stand people shouting and pushing.2.固定结构：It’s no use doing…eg. It’s no use crying over spilt milk.It’s worth doing…It’s not worth doing…eg. It’s not worth worrying about.be busy doingeg.Can’t you see I’m busy writing?do some shoppingdo some washing3.动名词的逻辑主语的表达形式eg. Would you mind opening the window?eg. Would you mind my opening the window?eg. Do you mind smoking?eg. Do you mind my smoking?eg. Fancy writing a letter like that!eg. Fancy her writing a letter like that!eg. His leaving is a great loss.eg. Mother dislikes my working late.eg. John’s having seen her did not make her worried.现在分词与动名词的比较：4.see,hear,smell,noticesee,hear,smell,notice…sb doingsee,hear,smell,notice…sb dosee,hear,smell,notice…sb doneeg.I saw him coming.eg.He heard me opening the door.eg.I can smell something burning.eg.I heard him singing in the next room.5. go 与come 加现在分词：go dancinggo swimminggo ridinggo shoppinggo skatinggo skiingeg.Let’s go dancing.eg.I went shopping this morning.e swimming with me tomorrow.Text1.I crossed the street to avoid meeting him, but he saw me and came runningtowards me.avoid doing…avoid making the same mistakerunning 是现在分词作状语2. It was no use pretending that I had not seen him, so I waved to him.It’s no use+v.ing (v-ing 短语是真正的主语，it作形式主语)eg.It’s no use complaining about it.对此抱怨是没有用的。
pretend that…eg.He pretended that he was working hard.他假装在努力工作。
pretend to do…eg.He pretended to be dead when he met a bear.他假装死了的时候，他遇到了一只熊。
pretend to be doing…eg.The boys pretended to be sleeping.男孩假装在睡觉。
wave to sbeg.I waved a greeting to the teacher.我挥手向老师问好eg.I waved him goodbye.我挥手向他道别。