江苏省大丰市万盈二中八年级英语上册 Unit 4 Wild animalsPeriod 5 Grammar and Practice (2) 教案 牛津版.doc

period 5 grammar and practice (2)teaching goals 教学目标1. target language目标语言a. vocabulary performance, exam, group, destroy, suitable, farmland, sell, tusk, trainb. grammar giving reasons:e.g. we stayed in the zoo for so much time because the dolphin show was long. because + clause all the people cheered because of the wonderful show. because of + noun(phrase)/pronoun2ability goals能力目标 to enable ss to give reasons with because and because of.to enable ss to say conditional sentences beautifully.3. learning ability goals 学能目标 in our daily life, we have to explain a lot of things, so its important to give reasons.teaching aids 教辅工具pictures and multimedia playerteaching procedures and ways 教学过程与方式step i pre-task (p70)at the very beginning, we will review the conditional sentences. what is more important is to say them in correct and nice way. when we read a conditional sentences aloud, our voices rises at the end of the first clause and falls at the end of the sentence.t: nice to see you again. by the way, how many of you remember the if clauses? who would like to share your sentences with us?ask several students to say some sentences to the whole class. encourage students to keep this habit in their daily life. t: good sentences. but we can say them more beautifully. let me read a sentence for you. you should pay attention to the tone and voice.write some sentences on the blackboard and read them. after reading twice, ask a student to mark the voice.samples:1. many wild animals will die if we dont help them.2. wolves wont survive if we dont give them good areas of forests to live in.t: kids, please read after me loudly.s: (read)t: when we read a conditional sentences aloud, our voices rises at the end of the first clause and falls at the end of the sentence. open your books to p70. put a rising arrow above the words where her voice rises. put a falling arrow above the words where her voice falls.s: (do the exercise)t: ok. lets check. read together. if you are wrong, please correct your mistakes.s: (read and check)t: great! nice voice. step ii while task (p67)in this period, i will ask some yes or no questions. and i will ask them why. students will use because to answer my questions. further, i will teach them how to use because of to give reasons.t: class, do you like my hair-style? and why?s1: yes. because you look nice in this hair-style.t: thank you. and why do girls like to wear shirt especially in summer?s2: because we feel cooler when we wear shirt.s3: because shirts make us look more beautiful.t: good reasons. we know that we use because to answer so many whys, right?s: yes.t: ok. open your books to p67. daniel is asking amy about her visit to the zoo. look at amys notes and help her answer daniels questions. use because to introduce the reasons.students work alone to answer the questions. when theyve finished, ask some students to read completed sentences. correct any mistakes they may have. questions and answers:1. why did you go to beijing zoo?because i wanted to see wild animals there.2. why didnt you take any food for animals?because we mustnt feed the animals in the zoo.3. why did you stay in the zoo for so much time?because the dolphin show was long.4. why must we protect wild animals?because wild animals are our friends.t: after because, there is a sentence. then how about this?it is very difficult for giant pandas to survive in the wildpeoplecan you put the two parts into one sentence?s: t: people is not a sentence, so we cant use because to connect. we use because of instead. the sentence should be: it is very difficult for giant pandas to survive in the world because of people.t: we can also use because of to give reasons for something. we use a noun, a noun phrase or a pronoun after because of. amy is talking about the dolphin show. work out what she is saying by making sentences using because of.sample sentences: 1. all the people cheered/the wonderful showall the people cheered because of the wonderful show.2. lots of people knew about the show/the advertisement on tvlots of people knew about the show because of the advertisement on tv.3. the dolphins were really tired/the long performancethe dolphins were really tired because of the long performance.4. some students couldnt go to the show/the exam next weeksome students couldnt go to the show because of the exam next week. t: excellent. its very easy for you.write down because of on the blackboard.step iii post-taskask students to make sentences with because or because of on their own.t: kids, youve done a good job. dont stop. now, ask your desk mate ten why questions. and try to find the reasons. i will see which group ask and answer the most fluently. 2 minutes for you to prepare.s: (ask and answer)samples:s1: why do you always drink so many soft drinks?s2: because they taste nice.s1: but they are bad for our health. why dont you drink more water?s2: i dont like water because its too plain. why d