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1、八年级英语上册 Unit4 Wild Animals Grammar教学案(无答案) 牛津版学习目标1学习并掌握if引导的条件状语从句。2学习并掌握because和because of的区别和用法。学习重难点if引导的条件状语从句的时态用法一、课前预习。1练一练:填入动词的正确形式(1)If hunters catch a giant panda, they_(kill)it for its fur.(2)If farmers cut down trees and forests, giant pandas _(have) nowhere to live.(3)If people find b
2、aby pandas alone ,they _(take) them away.(4)If giant pandas are in d anger ,what _we_(do)?你可以再举二个类似的例子吗?(在60页找)_观察、发现:同学们,做完上面的题目后,你发现什么了吗?_二、教学过程Step 1 Revision.Revise giant pandas by asking some questions: Step2 Presentation. 1. Explain the rules of the conditional sentences.2. Ask Ss. to answer t
3、he above question with conditional sentences.3. Present Ss the use of “because” and “because of”Step 3 PracticeAsk Ss to finish the exercises.(一)新课导学/课堂精讲:Part A:1. 呈现课本P64页A部分的练习,与学生开展讨论并朗读。2鼓励学生造出更多类似的句子。总结:连接词: if意为“_” 可用来引导_状语从句。此从句既可以位于主句_,也可位于主句_。位于主句之前时,常用一个_与主句隔开。e.g. If you are not careful,
4、 the knife will hurt you.= _.时态:当谈论将来可能出现的情况时,主句用一般将来时,从句常用_。e.g. (1) 如果他明天不来,我们将不知道该怎么办。If he _ _ tomorrow, we _ _ _ to do next.(2) 如果我不去,你就得一个人去。If I _ go there, you _ _ there by yourself.Part B1.师生free talk :Do you know why so many animals die ?Because_Some wild animals may die because of _ I did
5、nt go to the zoo _ I wanted to see wild animals there. 因为我想看野生动物。I didnt take any food for animals _we mustnt feed the animals in the zoo.因为我们不能喂野生动物。小结:because后面经常接_所有的人们在欢呼,因为那个精彩的表演。All the people are cheered _the wonderful show .很多人知道这个表演,因为电视上的广告。Lots of people know about the show _the advertis
6、ement on TV. because of表示“因为,由于的缘故”,后面跟 _ (二)课堂练习/课堂精练:用所给词的适当形式填空。1. If tigers live in the wild, they _( hunt) for food on their own.2. If the traffic lights _ ( turn) green, you can go across the road.3. We _( not have) our sports games if the weather _( not be) fine.4. If we dont help the wild an
7、imals in _( dangerous). They _( die) soon.5. If there _ (be) fewer trees, there _ (be) more pollution.6. I _ (go) to the beach if it_ (not rain) this week.单选题。( )1. _ you eat bad food, you may be ill. A. Before B. Until C. If D. Which( )2. I wont go to the meeting if it_ tomorrow. A. will rain B. ra
8、ins C. rained D. rain( )3. If you _ to the party, youll have a great time. A. will go B. went C. go D. going( )4 I _ her the answer if she _me. A. can tell, will ask B. will tell, will ask C. would tell, ask D. will tell, asks( )5 What will you do if you _ to the old folks home visit?A. go B. went C
9、. going D. will go用because或because of 填空1. I didnt go to school yesterday _I was ill.2. We wont go to the park_ the heavy rain.3. Ricky worked so hard _he wanted the show to be a success.4. He came to school so late just _the terrible weather.5. _there was a lot of homework to do, I was very busy.三、
10、课后巩固翻译句子。1.如果他到的晚了会发生什么事情?What _ if he _ late?2. 如果努力学习,你就会取得好成绩。If you_ _, you _ good _.3. 他如果看电视太久了,他的父母会不高兴。 If he _ TV too much, his parents _ _unhappy.4. 如果我们为他组织生日聚会,大家都会来的。Everyone _ if we _a birthday party _ him.5. 如果明天不下雨,我会和你一起去公园的。 If it _tomorrow, I _ go to the park _you.6. 你如果抄同学的作业就不能学
11、好各门功课。You _ _ good at all the subjects if you _ the other students homework.根据首字母完成短文。Blue whales are the biggest animals in the sea. They can be as l_ as 30 metres and can w_ as much as 1,000 kilos. They are much larger than the dinosaurs were. They can s_to each other even though we dont know what
12、 they are saying. Blue whales are part of the family of mammals(哺乳动物). This m_ that they are not fish but animals that h_ babies as cows and cats do. They give their babies milk. Sadly, there are not many whales l_ now because people have killed them for t_ of years for food and other things. But now we have laws(法律) to s_ people from killing them, so perhaps there will be more of them in the years to come.四、课后反思_