江西省吉安市井冈山大学附中高中英语《Unit2 Working the land》导学案（三）新人教版必修4.doc

江西省吉安市井冈山大学附中高中英语 新人教版必修四unit2 working the land导学案（二）（一）导案知识梳理重点单词1._vi. & n.斗争；拼搏；努力 2._ vt. 使变大；伸展3. _ adv. 因此；所以；因而4._ vt. & vi.输出；出口 5._ vt. & n. 遗憾；惋惜；懊悔6 ._ vt. 减少；减缩重点短语1. _to幸亏；由于；因为 2._of 使摆脱或除去3. be_with 对感到满意 4. _up 逐渐增强；建立；开发 5._to 导致；造成（后果） 6._on 集中（注意力、精力）于 7. keep_from/of 使免受（影响、伤害等）；使不含（有害物）重点语法the ing form as the subject and object一、complete the sentences according to the text and then translate them into chinese1. since then, _ ways grow more rice has been his life goal. 2. at that time, hunger was a _ problem in many parts of the countryside.3. yuan longping searched for a way to increase rice harvests without_the area of the fields.4. just _ for things, however, costs nothing.提出疑惑同学们，通过你的自主学习，你还有哪些疑惑，请把它填在下面的表格中疑惑点疑惑内容（二）课内探究学案学习目标1. grasp the important words, phrases and sentence structures in this period.2. let the students know the usage of modal verbs.学习过程1. 动词-ing形式的构成: 是在动词末尾加-ing 形式构成, 因此又叫动词的 -ing 形式。如: do-doing, be-being, ask-asking, etc.否定形式: not+ -ing 构成2. 动词-ing形式不能单独作谓语, 没有人称和数的变化, 但可以有自己的宾语和状语, 还有时态和语态的变化。3. 动词-ing形式由动词加-ing变化而成, 它同时具有名词和动词的特征, 在句中可以作主语、宾语等。一、动词-ing形式作主语 1. 表示经常的、习惯性的动作或状态, 谓语动词通常用单数。如： walking is a good form of exercise for both young and old. 无论对年轻人和老年人来讲, 走路是一种很好的锻炼。watching news on tv has become a routine for me. 在电视上看新闻已经成了我的一种日常习惯。2. -ing形式作主语时常后置, 此时须用it作形式主语, 用形容词或名词作表语。常见的名词或名词短语有: no use, no good, fun, hard work, a hard / difficult job, a waste of time等; 形容词有: dangerous, worthwhile, useless等。如: its no use making an excuse for this. 为这件事找借口是没有用的。3. 在there be结构中作主语, 这种结构的意思相当于“it is impossible to do ”。如：若要人不知, 除非己莫为。there is no hiding of evil but not to do it这种事开不得玩笑。 here is no joking about such matter.无法知道他什么时候离开there was no knowing when he would leave. 动名词与不定式做主语时的比较：动名词表示的动作通常是一个泛指的动作, 不定式则通常表示具体的动作。如：还是个孩子的时侯, 她就觉得探视病人是一种责任, 也是一种愉悦。as a child, she felt that visiting sick people was a duty and a pleasure到美国人家里做客对我来说将是一个极好的经历。being a guest in an american home will be a good experience for me.（三）练案b) 翻译：1. 我最喜欢的运动是游泳.2. 今天去没有用，他不会在家.3. 你写完作文了吗.4. 请原谅我来晚了.5. 他不声不响的走了进来.6. 他走进进来了，没有被看见.二单项选择1. it took the workmen only two hours to finish _ my car. a. repairing b. repairc. to repair d. repaired5. my brother keeps _ me with my work. a. to help b. help c. helping d. helped6. we should often practise _ english with each other.a. to speak b. spoke c. speak d. speaking7. keep on _ and you will succeed. a. a try b. try c. triing d. trying8. his parents insist on _ to college. a. he should go b. he go c. his going d. him to go9. the story was so funny that we _. a. couldnt help laugh b. cant but laugh c. couldnt help laughing d. couldnt help but to laugh10. though it sounds a bit too dear (昂贵), it is worth _. a. being bought b. buying c. to buy d. buying it四、 小结和作业1. summarize the rules of v-ing form as the subject and object in your own way.2. finish the exercises of “discovering useful structures” on page 13.3. do some research on verbs following the questions:which verbs should be follow