【新教材新课标】仁爱版英语八年级上册Unit 3 Sound Body Sound Mind 第5课时Grammar in use（课件+课时教案含反思+大单元教学设计）

Unit 3 Sound Body, Sound MindGrammar in use仁爱科普版（新教材）八年级上册By the end of the lesson, I will be able to...123understand negative prefixes, master "need" structures;use words with negative prefixes and "need"-related structures;use such words and structures to creatively share views or suggestions on healthy habits.Learning objectivesLead inWatch and sing. Lead inLook and think. It's unbearable!It's unbelievable! You're so ungrateful!变否定bearablebelievablegratefulLook at the pictures and read the sentences. Pay attention to the words in bold.PresentationActivity 1 Look and read. Grammar in UseHe became a non-smoker in order to keep healthy.Sea food may seem to disagree with some people.Hamburgers may taste delicious, but it is unhealthy to eat too many of them.It is incorrect to do sports with an empty stomach.Look at the pictures and read the sentences. Pay attention to the words in bold.PresentationActivity 1 Look and read. Grammar in UsePrefixes non-, dis-, un-, mis-, in- and im- He became a non-smoker in order to keep healthy.Sea food may seem to disagree with some people.Hamburgers may taste delicious, but it is unhealthy to eat too many of them.It is incorrect to do sports with an empty stomach.Look at the pictures and read the sentences. Pay attention to the words in bold.PresentationActivity 1 Look and read. Grammar in UsePrefixes non-, dis-, un-, mis-, in- and im- He became a non-smoker in order to keep healthy.Sea food may seem to disagree with some people.Hamburgers may taste delicious, but it is unhealthy to eat too many of them.It is incorrect to do sports with an empty stomach.smoker 吸烟者不吸烟者agree同意不同意healthy健康的不健康的correct正确的不正确的nonsmoker disagree unhealthy incorrectWhat word can you find in these words?smokesmokernonagreedishealthyuncorrectinWe put “non-, dis-, un-, in-” in front of the words, these are called “prefix”. PresentationActivity 1 Read and think. PresentationActivity 1 Read and think. 定义：在一个词的词根前面或后面加上某个词缀来产生新词，这种构词法称为__________________。加在前面的词缀叫_________，加在后面的词缀叫______________。本节课主要探讨英语中常见的否定前缀的用法：英语中前缀 non-, dis-, un-, mis-, in-, im- 都具有_________含义，通常加在形容词、名词或动词前，改变单词原本的意思。派生法或词缀法前缀后缀否定PresentationActivity 1 Read and think. PresentationActivity 1 Read and think. PresentationActivity 1 Read and think. non- 侧重 “类别否定”，如 “非虚构”“不吸烟”；dis- 侧重 “动作逆转”，如 “不同意”“消失”；un- 是最通用的否定前缀，可接形容词、动词；mis- 核心是 “动作失误”，如 “误解”“误导”；in- 和 im- 是正式的形容词否定前缀，im- 仅用于b、m、p开头的词根。Fill in the blanks with the correct form of the given words.dislike uncomfortable impossible nonstop misplace1. It is ______________ to keep healthy without good living habits.2. Don't eat too much junk food, or you will feel ________________.3. She __________ ice cream because it's bad for her teeth.4. My sister's room is tidy, and she never ____________ her things.5. We felt very tired after a long and __________ walk.impossibleuncomfortabledislikesmisplacesnonstopPresentationActivity 2 Fill in the blanks.“keep healthy” “保持健康”“eat too much junk food” “吃太多垃圾食品”“be bad for” “对…… 有害”Read the text and fill in the blanks with the words in the box.impatient nonsense uncomfortable improperA(n) ____________ habit does a lot of harm to people. For example, staying up late is very bad for people’s health. Clearly, they will feel sleepy and _______________ next day. What’s worse, people will become _____________ and they may even forget important dates. Sometimes, they will speak ___________ because their minds are not clear. To get rid of the habit, people need to sleep early and do some sports. A healthy body and a clear mind will make them feel good all day.improperuncomfortableimpatientnonsensebe bad for 对……有害sleepy adj. 困倦的What’s worse 更糟糕的是clearly adv.明显地get rid of 摆脱Activity 3 Read and fill.PresentationActivity 1 Pair work. What's the matter with you?You can watch the games online next day. You needn't stay up. You need to take care of yourself.I stayed up to watch the soccer game last night. I need to get some sleep now.OK. Thank you for your advice.Read the conversation. Pay attention to need.Presentationneed to do： “需要做某事”其中 “need” 是实义动词。当 “need” 作为实义动词时，有人称和数的变化，后面接动词不定式 “to do”。例： “I need to get some sleep now.”（我现在需要睡一会儿） “You need to take care of yourself.”（你需要照顾好自己）“need” 根据主语的不同，形式也有所不同（I need，You need），并且后面都接了动词不定式来表示具体需要做的事情。Activity 1 Read and learn. Presentationneedn't do： “不必做某事”这里的 “need” 是情态动词。情态动词 “need” 没有人称和数的变化，后面接动词原形。例：“You needn't stay up.”（你不必熬夜）“needn't” 直接接动词原形 “stay up”，用来表示建议或推断。Activity 1 Read and learn. Presentationdon't need to do： “不需要做某事” 同样 “need” 是实义动词。其否定形式是在 “need” 前面加助动词 “don't” 或 “doesn't‘’，后面接动词不定式 “to do”。Activity 1 Read and learn. Presentationneed为实义动词，表示需要，其后加不定式。有人称变化肯定结构：need to do sth. 需要做某事否定结构：don’t need to do sth.不需要做某事 Complete the table and learn how to use need.to getto takedoPracticeActivity 2 Complete the table . Read the sentences and circle the correct words.12345He (need/ needs) to take a break now. He looks so tired.We (need/ needn't) to play sports every day to keep healthy.You (needn't/ don't need) store so much food in the fridge.You (needn't/ don't need) to worry about your grades. Just relax.Both Maria and Meimei (need/ needn't) to lose weight.PracticeActivity 3 Read and circle.Someone will be the doctor and some will be the patient. Then finish the diagnosis(诊断). (Pay attention to prefixes and need)ProductionHospital Simulation: Grammar Diagnosis ExpertWords bank否定前缀相关：non-smoker, disagree, unhealthy, incorrect, impossible, uncomfortable, dislike, misplace, nonstop, impatient, improper“need” 相关：need to exercise, need to eat vegetables, don't need to worry, needn't stay up lateSentence Structure病人描述病情：I feel... I have a... problem. My... is...医生诊断：Your... habit makes you feel... It's... for your health.医生建议：You need to... You don't need to... You needn't...Guardians of the Earth: Ecosystem Ambassador CampaignInterview each other about digital life experiences.互相采访关于数字生活的体验Unit 3 Sound Body, Sound Mind一、根据提示填空。The food is _________________ (healthy) because it has too much sugar.It's ______________ (polite) to talk loudly in the library.He felt _________________ (happy) after hearing the bad news.The answer is _________________ (correct), so you need to try again.She _____________________ (understood) the question and asked the teacher for help.Summaryunhealthyimpoliteunhappyincorrectmisunderstood二、根据提示填空。We ___________ (need / need to) exercise every day to keep healthy.You ____________________ (don't need to / needn't to) buy a new book-mine is available.He ________ (needn't / doesn't need) worry about the exam; he studied hard.They ___________ (need / need to) drink enough water when doing sports.Summaryneed todon't need toneedn'tneed toAssessment基础：完成教材中关于否定前缀和 “need” 用法的基础练习题，Activity 2 和 Activity 3。Homework提升：用所学的否定前缀和 “need” 的三种结构，写一篇短文，介绍自己的生活习惯和需求。拓展：小组合作收集更多带有否定前缀的单词，并制作一份单词表。