Unit 2 Grammar and usage导学案-2022-2023学年高中英语牛津译林版选择性必修第一册

高二年级 英语 导学案（学生版） 年级 高二 时间 9.5 单元 Unit2 主备人 张伟 课型 新授课 课题 Grammar 课时 2 审核人 张伟 学习目标 1. identify the use of verb-ing forms as subjects and objects; 2. work out the rules of verb-ing forms as subjects and objects; 重 点 难 点 重点 1. To distinguish and use the right form of verb-ing to complete tasks; 难点 1. To apply verb-ing forms in new situations. 课前准备 Ask students to preview the exercise before class. 五步法 导学过程 导学流程 学法指导 启导 Exploring the rules Point out what the verb-ing forms are used as in the following sentences. 1. Living in good relationships benefits health. 2. Looking on the bright side of life is good for you. 3. I love making preparations for the exams. 4. He is fond of playing the guitar. Answers: 1) _______________ (2) ___________________ (3) _______________ (4) ___________________ 学习 与 展评 语法详解 1.动词-ing 形式作主语 表示经常的, 习惯性的动作或状态,谓语动词通常用单数。 by train takes about 16 hours. 坐火车去杭州大约需要 16 个小时。 a woman's age is impolite in his country. 在他的国家，询问女士的年龄是不礼貌的 2.动词 -ing 形式直接置于句首主语的位置上 is easier than doing. 说比做容易。 3. 动词-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(短语)作表语 no use, no good, fun, hard work, a hard/difficult job , a waste of time 等。 It's no use an excuse for this. 为这件事找借口是没有用的。 4.常见的形容词有: dangerous, worthwhile, useless, useful 等。 归纳:常用动词 -ing 形式作主语的句型有: It is/was a waste of time doing.. 做.....是浪费时间的。 It is/was no good/use doing.. 做.....是没好处/用的。 It is/was hardly/scarcely worth doing... 做.....是不值得的。 It is/was worth/worthwhile doing... 做......是值得的。 There is no doing.. 无法.....; 不允许.... It is worthwhile the question.这个问题值得讨论。 It's worth the effort. 做出努力是值得的。 It's a waste of time 玩电脑游戏是浪费时间的。 5.There be no... 结构中作主语，这种结构的意思相当于 It is impossible to do.... There is no sense in doing... 做.....没有道理。 There is/was no use good (in) doing... 做.....没用/好处。 There is/was nothing worse than doing...没有比......更糟的。 There is/was no poin