新外研版初中英语八下Unit 5 Grammar 课件

这是一份新外研版初中英语八下Unit 5 Grammar 课件，共24页。
GrammarLooking into natureLearning objectivesIn this lesson, we will be able to: 1. understand the distinct functions of “that (for facts)”, “if/whether (for yes/no questions)” in object clauses through amber discovery texts.2. analyse the structure of object clauses ,accurately apply object clauses with “that”, “if” and “whether” in role-play conversations about scientific reports on amber.3. help students to practise using the clause connectors “that”“if” and “whether” by connecting sentences and completing the messages on the message board, and then apply these connectors to write a short nature exploration passage in pairs. 4. master the key language points and use object clauses with “that”“if” and “whether” correctly in real-life contexts. Watch and sayWhat can you see in the picture?That they had feathers!Yes! It shows if/whether plants grew there.Perceive the formthatif/whether陈述事实是否疑问Work out the rulesthatif whetherwhetherWork out the rulesPracticeScientists aren't sure whether there is life in outer space.John told his parents that he wanted to be a scientist and study plants.Emily wants to know whether Mr Brown is interested in insects or birds.Connect the sentences with that, if or whether.Complete the messages with that, if or whether.whetherthatwhetherthatthatif/whetherWork in pairs. Look at the notice and write a short passage about exploring nature. Use the words and expressions from the reading passage and the Useful expressions to help you.Upload your passageShow timeNature's wonders inspire us to explore, learn, and protect.1. By watching and listening carefully, scientists have discovered that...讲解: "By + 动名词" 构成介词短语，表示方式或手段。例句:By studying fossils, we understand dinosaur life.通过研究化石，我们了解恐龙的生活。He improved his English by practising every day. 他通过每天练习提高了英语。2. You missed Pluto in the model of the solar system. 讲解: "miss" 此处意为“漏掉”；另有“错过,想念”之意。例句:The little boy missed a piece of the puzzle, so he couldn’t finish the picture.小男孩漏掉了一块拼图，所以他没能拼完这幅图。I will miss the happy days with my classmates when I graduate next year.明年毕业时，我会想念和同学们一起的快乐时光。We missed the beginning of the movie last night because of the heavy rain.昨晚因为下大雨，我们错过了电影的开头。3. clear ... in one’s way讲解: "clear... in one’s way" 表示清除行进路上的障碍例句:The river cleared the stones in its way.河流冲走了它行进路上的石头。He cleared the books in his way before sitting down.他坐下前，把挡路的书移开了。He realised ______ his theory about dinosaurs was wrong.They debated __________ the new discovery was important.Tell me ___________ you need more information about whales. The article proves ______ nature is full of surprises.We’re not sure ______________ the team will finish the research on time.一、用that, if, whether 完成句子thatwhetherif/whetherthatif/whether二、英译汉1. Scientists believe that whales communicate through songs. 科学家们相信鲸鱼通过歌声交流。2. She asked whether the discovery was important. 她问这个发现是否重要。3. I don’t know if dinosaurs had feathers. 我不知道恐龙是否有羽毛。三、用that, whether, if 完成文章填空 Scientists have discovered (1) _____ some whales can sing beautiful songs. However, they still wonder (2) _______ these sounds are used for communication or just for fun. When researchers study animals, they need to observe (3) __________ their behaviors match their theories. A team leader explained (4) ______ teamwork is very important in nature research. "We often discuss (5) __________ our findings are correct," she said. This shows how careful scientists must be!thatwhetherif/whetherthatwhetherCreate a “Nature Explorer’s Journal” page with 3—5 facts about animals or space, using “that”“if” and “whether” in your sentences. Add drawings or pictures to make it colourful!Basic homeworkPractical homeworkWrite sentences using “that”“if” and “whether” to describe scientific discoveries. Underline all the clause connectors you use.Interview a friend about a “mystery” he or she finds interesting (e.g., space, oceans, history).Extended homework