初中英语仁爱科普版（2024）八年级上册（2024）Grammar in use集体备课课件ppt

这是一份初中英语仁爱科普版（2024）八年级上册（2024）Grammar in use集体备课课件ppt，共29页。PPT课件主要包含了健康问答大挑战，Why，smoke，smoker，non，agree，dis，healthy，correct，impossible等内容，欢迎下载使用。
识别并理解否定前缀（如dis-, un-, im-, nn-, mis-）在单词中的含义及其在健康话题句子中的用法；掌握“need t d”、“dn‘t need t d”和“needn’t d”的结构和语法规则。（学习理解）
正确运用否定前缀单词（如dislike, uncmfrtable, impssible）完成句子填空练习；在对话情境中应用“need”相关结构表达必要性或建议。（应用实践）
迁移所学语法知识，在健康习惯话题中创造性地表达个人观点或提出改进建议。（迁移创新）
挑战规则：快速判断出现的句子观点是否正确。出现正确的句子，双手竖大拇指；出现错误的句子，交叉双臂于胸前。
It is healthy t eat hamburgers every day.
Staying up late is a prper habit.
It’s impssible t feel great withut enugh sleep.
Feeling sleepy after staying up is cmfrtable.
We need t drink enugh water.
Yu needn't brush yur teeth twice a day.
Peple need t exercise regularly.
1. It is healthy t eat hamburgers every day.
2.Staying up late is a prper habit.
3.Feeling sleepy after staying up is cmfrtable.
4.It’s impssible t feel great withut enugh sleep.
6.Yu needn't brush yur teeth twice a day.
5.We need t drink enugh water.
7.Peple need t exercise regularly.
Let’s learn mre abut healthy habits.
Prefixes nn-, dis-, un-, mis-, in- and im-
Activity 1 Lk at the pictures and read the sentences. Pay attentin t the wrds in bld.
Grammar in Use
Prefixes nn-, dis-, un-, mis-, in- and im-
He became a nn-smker in rder t keep healthy.
Sea fd may seem t disagree with sme peple.
Hamburgers may taste delicius, but it is unhealthy t eat t many f them.
It is incrrect t d sprts with an empty stmach.
nnsmker disagree unhealthy incrrect
What wrd can yu find in these wrds?
We put “nn-, dis-, un-, in-” in frnt f the wrds, these are called “prefix”.
The prefixes usually express the ppsite meanings f the riginal wrds.
What else prefixes can yu think f?
Let’s see mre examples.
nnstpnnsense
dislikediscverdisappear
unhappyunluckyuncmfrtable
inexpensiveinfrmal
impatientimplite
misfrtunemisunderstand
Activity 2 Fill in the blanks with the crrect frm f the given wrds.
dislike uncmfrtable impssible nnstp misplace
1. It is ______________ t keep healthy withut gd living habits.2. Dn’t eat t much junk fd, r yu will feel _______________.3. She __________ ice cream because it’s bad fr her teeth.4. My sister’s rm is tidy, and she never __________ her things.5. We felt very tired after a lng and ________ walk.
uncmfrtable
living n. 生活方式 adj.生活的
Activity 3 Read the text and fill in the blanks with the wrds in the bx.
impatient nnsense uncmfrtable imprper
A(n) ____________ habit des a lt f harm t peple. Fr example, staying up late is very bad fr peple’s health. Clearly, they will feel sleepy and _______________ the next day. What’s wrse, peple will becme _____________ and they may even frget imprtant dates. Smetimes, they will speak ___________ because their minds are nt clear. T get rid f the habit, peple need t sleep early and d sme sprts. A healthy bdy and a clear mind will make them feel gd all day.
be bad fr 对……有害
sleepy adj. 困倦的
What’s wrse 更糟糕的是
clearly adv.明显地
get rid f 摆脱
need t d / dn’t need t d / needn’t d
What’s the matter with yu?
Yu can watch the games nline the next day. Yu needn’t stay up. Yu need t take care d yurself.
I stayed up t watch the sccer game last night. I need t get sme sleep nw.
OK. Thank yu fr yur advice.
need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 t d sth. 需要做某事否定结构：dn’t need t d sth.不需要做某事need还可做情态动词，其后加动词原型,无人称变化肯定结构：need d sth. 需要做某事否定结构：needn’t d sth.不需要做某事
Activity 2 Cmplete the table and learn hw t use need.
Activity 3 Read the sentences and circle the crrect wrds.
He (need/ needs) t take a break nw. He lks s tired.
We (need/ needn’t) t play sprts every day t keep healthy.
Yu (needn’t/ dn’t need) stre s much fd in the fridge.
Yu (needn’t/ dn’t need) t wrry abut yur grades. Just relax.
Bth Maria and Meimei (need/ needn’t) t lse weight.
lse weight 减肥
fridge n.冰箱
Wrk in grup, smene will be the dctr and sme will be the patient. Then finish the diagnsis(诊断). (Pay attentin t prefixes and need)
I eat a lt f hamburgers and ice cream. I feel uncmfrtable.
Yur imprper eating habit makes yu feel uncmfrtable. Yu need t eat mre vegetables. Yu needn't eat junk fd every day."
【诊断词汇库】 Symptms: uncmfrtable, impssible, impatient, imprper, unhealthy Bad habits: misplace, dislike, stay up, eat junk fd... 【处方句型】 Yu need t... / Yu dn’t need t... / Yu needn’t...
Patient A: Always eats hamburgers and ice cream (feel uncmfrtable)
Patient B: Stays up late playing games (impatient at schl)
Patient C: ever exercises (unhealthy bdy)
Patient D: Leaves bks everywhere (misplaces things ften)
【核心词汇】带否定前缀的形容词：unhealthy incrrect impssible uncmfrtable nnstp impatient imprper带否定前缀的动词：dislike misplace disagree带否定前缀的名词：nnsense nn-smker【核心短语】take care f 照顾 stay up 熬夜 get enugh sleep 充足的睡眠
【语法知识】Need 的用法规则：1）当need为实义动词,表示 “需要”时，其后用不定式。肯定结构：主语 + need(s) t d（e.g. He needs t take a break.）否定结构：主语 + dn’t/desn’t need t d（ dn’t need t wrry.）疑问结构：D/Des + 主语 + need t d?（e.g., Des she need t cme?)人称变化：第三人称单数用 needs（e.g., Kangkang needn’t d... 无变化）2）当need为情态动词时，其后使用动词原形，无人称变化。主语 + needn’t d（e.g. Yu needn’t stre fd.）
dislike, uncmfrtable, impssible, nnstp, misplace, impatient, nnsense, imprper
1) It's _________ t finish this prject in ne hur! We need mre time.2) Wearing _________ clthes t a frmal party might make thers feel strange.3) After sitting n the hard chair fr three hurs, I felt very _____________.4) The baby cried _________ fr almst an hur. Her parents were wrried.5) I _________ getting up t early n weekends. I lve sleeping in.6) If yu are always _________, yu might make mistakes easily.7) I ften _________ my keys. It's a bad habit I need t change.8) Dn't talk _________! We need t fcus n slving this prblem.
二、找出错误并改正。 下列每个句子中都有一处与“need”相关的语法错误，请找出并改正。1) He need t get mre sleep.2) Yu needn't t clean the rm. I did it this mrning.3) Des yur brther needs t wear glasses?4) They dn't need wrry abut the weather. We have umbrellas.5) She needn't takes the bus. Her father will drive her.
dn’t need t
needn’t take
巩固性作业：使用否定前缀词汇造句，至少五句。
拓展性作业：健康倡议卡：设计一张“健康生活倡议卡”。内容需包含：1-2个使用否定前缀词汇描述的不良生活习惯 (如：Staying up late is unhealthy. 或Eating t much junk fd is imprper.）2-3条使用“need t d”或“dn't need t d/needn't d”句型提出的具体健康建议 (如：We need t d sprts regularly. 或 Yu needn't eat sweets every day.)