江苏省涟水县红日中学八年级英语下册 8B Unit 6 A charity walk（第6课时）教学案（无答案） 牛津版.doc

8b unit 6 a charity walk（第6课时）一、教学目标知识与技能： to learn to use it is + adjective + to do sth过程与方法： we use it is + adjective +to do sth来表达我们对一些事物的看法 情感态度价值观：了解更多助人为乐的方式。二、教学重难点 学习重点： 学会使用it is + adjective +to do sth结构学习难点： 能区别：主语+be+形容词+to do与it is + adjective +to do sth三、学习与交流1.老师帮助学生回忆前面学过的it is + adjective +to do sth句型的句子，让学生初步了解这个句型。（1） its meaningful to support charities.（2） its useful to have support teams. 2、展示文中例句，并要求学生分组讨论，了解此句型的用法 (1) it is difficult to walk through eight country parks. (2) it is meaningful to join the tree-planting club it is +形容词+to do sth: 表示做某事是怎么样的- it 是形式主语，代替真正的主语to do sth it is meaningful to help others.=to help others is meaningful.(让学生把上面四个例句都转换一遍)填空：1) _ is difficult _ ( walk) through 8 country parks.2) _ is wrong _ (copy) other students homework. 3、注意区分it is + adjective +that(clause)与it is + adjective +to do sth中it所指代的事物 指出下面两句中it所指代的事物并划出。 1） it is useful to have support teams to bring you food and drinks.2） it is necessary that you start training a few months before the walk.4、补充:主语+be+形容词+to do并让学生注意与it is + adjective +to do sth的区分。 1)english is easy to learn. it is easy to learn english. 2)the shop is difficult to find. it is difficult to find the shop 3)the maths problem is too difficult for me to work out. 5、用it is + adjective +to do造句 1)(important/english/learn)_ 2)(meaningful/poor children/help)_6、完成100页练习并核对答案交流展示： 1.让各小组讨论it is + adjective +to do结构的用法，并派一名代表总结 2.各小组轮流出示自己100页练习的答案四、精讲点拨精讲it is+ adjective + to do sth该句型中it 是形式主语，真正的主语是to do sthjoin the tree-planting club keep parks clean give seats to the elderlyhelp blind people cross the road donate money to charities do voluntary work the maths problem is too difficult for me to work out.the story is too difficult for a three-year-old girl to understand.五、达标检测i、词汇ii.单项选择( ) 1. its hard to keep the house _ with three kids. a. clean b. cleaning c. to clean d. cleaned( ) 2. the river is too wide for us to _.a. swim cross b. swim across it c.swim across d. cross it( ) 3. i think _ necessary to do some morning exercises every day.a. it b. that c. this d. one( ) 4. the physics problem is_difficult for us_work out quickly.a. such; that b. so;that c. too;to d. enough to( ) 5. _the ibm pc686 is a waste of money.a. to buy b. buy c. bought d. to buying ( )6. it is better_the bike repaired as soon as possible. a. have b. having c. to have d. had( )7.it is important_money_people in need.a.to raise;help b. to raise;to help c. raise;help d. raising;helping( ) 8. im thinking about_trailwalker. it is good_team spirit.a. joining;learning b.to join; to learn c. joining; to learn d. to join; learning( ) 9.the elderly_about their lives in china.a.dont need to worry b .dont need worry c. neednt to worry d.neednt worried ( ) 10.mrs. white h