【情境式教学】人教版初中英语八年级上册 Unit 8 Section A Grammar focus 课件

Unit 8 Let’s Communicate!How do we communicate?Section A Grammar Focus 归纳并总结出真实条件句的句式结构特点、表意功能及其用法；根据假设情境匹配出完整的条件句；根据文本形态及内容推断出与之相关的交流方式与交际情境,并在语境中正确运用条件句描述未来可能发生的事情。Christmas Day Christmas is one of the most important festivals in Western countries. It is celebrated on December 25th every year to remember the birth of Jesus Christ. For many people, Christmas is a time for family reunion. FoodDecorationLead-in: Share English songs with “if”. you the train I’m on, you that I am gone. —500 Miles But you , on my shoulder. —Cry on My ShouldercryListen and complete the lyrics(歌词) of the songs. Ifmisswill knowifwanna cryIffindI’ll be you ever yourself lost in the dark and you can't see, the light to guide you. —Count on Me1.如果你想解决这个问题，一个面对面的谈话效果最佳。If you ___________ the problem, a face-to-face talk usually ________ the best.2. 如果你不注意你的言辞，发送短信会让事情变糟。Texting can ______ things worse if you _________________ your words.3. 如果排练在晚上 7 点结束，我将会在 7 点 15 分来接你。If the rehearsal ________ at 7:00 p.m., I ______________ at 7:15 p.m.4. 如果你保持冷静并道歉，这将会有帮助。 If you _________ and say sorry, it ________.5. 如果我去那里，我将会尝试所有美味的当地食物。 If I ________ , I ________ all the delicious local food.want to solveworksmakeare not careful withendswill pick you upstay calmwill helpgo therewill tryLead-in: Fill in the blanks according to the translation.Read the sentences. Find more sentences with if-clauses in Section A.3a一类是 if 从句在句首的（此时从句后加逗号）一类是 if 从句在句末的（此时从句前可不加逗号）if从句Where’s if-clauses?At the beginning/end.主句和从句时态有什么规律How many parts does each sentence have?if-clauses:main clauses:What tense is there in the if-clauses?simple present(一般现在时) simple present(一般现在时) simple future(一般现在时) Why are different tenses used?If she_ (not) hurry up, she (be) late.If it (rain), the ground (get)wet.doesn'twill be rains gets/will get imperatives (祈使句) give adviceWhat tense is there in the main clauses?if-clauses:main clauses:=at onceWhy do these speakers say so?for better relation-shipfor better commu-nicationIt’s difficult for him to hear.What forms of communication are mentioned?Match the two parts to make sentences.3bhandwritten notevoice messageWhat forms of communication are the 2 passages?What do the sentences with blanks have in common?if-clauses:simple present main clauses: simple present; simple future； imperatives gowill seedrop=write a letter to sb.=carefullyfootball trainingstartwill givewill performGiveletthinkInvite to join the class reunion.... If things ____________ (go) well, we ____________ (see) all those old faces again. Just think how great it will be! If you think you can come, ____________ (drop) me a line and I ____________ (give) you all the details about the reunion. But promise me you’ll think about it seriously .gowill seedropwill giveAn invitation to a class reunion party.Discuss what the situations are and whom the information is for.classmates/friends/...Advise to start training earlier.Hey, it’s me. I wanted to talk to you about the training plan for our team. The new season is coming, so it’s time to make a plan for our training. If we ___________ (start) earlier this year, I think we _____________ (perform) better. ___________ (give) me a call and ___________ (let) me know if you ___________ (think) of a good time for everyone to meet. Talk to you soon!startwill performGiveletthinkTeammates in the same sports team.teammates 1. If you exercise more, you (be) much healthier.2. If it (rain) tomorrow, they (not play) soccer after school.3. You should see a dentist if you (have) a toothache.4. lf he (walk) to school, it (take) him too much time.5. lf you (not go) to bed earlier, you (feel) tired in the morning.6. lf it (not rain), he (play) basketball with me tomorrow.Exercise will be rainswon't play havewalkswill take don't gowill feel doesn’t rain will play If you don’t understand, you can ask the teacher. （ ）She asked if you could help her with the project. （ ） If it is fine tomorrow, we will have a picnic. （ ） Do you know if there is a library near here? （ ） You will make progress if you keep practicing. （ ）请判断下列句子中if引导的是条件状语从句还是宾语从句，将答案填在括号内。条件状语从句条件状语从句条件状语从句宾语从句宾语从句1. Summarize the rule of conditional sentences with if-clauses and share with your classmates.2. Try to use the adverbial clauses introduced by “if ” to write a letter to your friends to talk about your travel plan.Homework