人教英语八年级上册Unit10Section A Grammar focus 3a—3c.pptxVIP

if条件状语从句 if引导的条件状语从句主将从现主情态从现主祈从现 Let’s enjoy the song if you are happy If I’m happy, I will ____________. If I’m happy, I will ____________.If I’m happy, I will ____________.clap my handsstamp my feetnod my head if 引导的条件状语从句11.I will clap my hands if I am happy.= If I am happy, I will clap my hands.主句if条件状语从句2.If I’m happy, I will stamp my feet. If I’m happy, I will nod my head.A. if条件状语从句位置灵活，可前可后， 句前加逗号，句后无逗号。B. If条件状语从句用一般现在时， 主句则用一般将来时，简称“主将从现” 句子接龙be happy, travel around the world, go to the college, make a lot of money, get an education, get good gradesIf I study hard, I will get good grades.If I get good grades, I will go to the college.If I go to the college, I will get an education.If I get an education, I will make lots of money.If I make lots of money, I will travel around the world.If I travel around the world, I will be happy. 1. If you finish homework, you can go home.2. You must stop if the traffic light is red.if条件状语从句2表示假设、提醒或警告，以及表示将要发生或可能发生的事，主句常含有must, may, can 等情态动词时，if从句也要用一般现在时。简称 “主情态从现” 我是翻译家1.如果你想减肥，你必须少吃面包。2. 如果你作业做完了就可以回家了。If you want to lose weight you must/should eat less bread. If you finish the homework， you can go home． Don’t go and play football if you don’t finish your homework. 如果没有完成作业，就别去踢足球。 Please call me if he comes next Sunday.如果下周他来了，请给我打电话if 引导的条件状语从句3 如果主句是祈使句，从句同样要用一般现在时。简称“主祈从现” 选词填空1. Don’t wait for me if I (am/will be) late.2. Get up early, if you (will be /are) afraid to be late.3. If you (have /will have) problems, ask the teachers for help.4. If you (don’t like/won’t like) them, please take them away. 主祈从现主将从现主情态从现从主有逗主从无逗summary 谁是我的好朋友？1.If you don’t get up early2. If you want to lose weight 3.If I’m hungry4. If she is tired5. If he is ill6. If you are happya. she will have a rest.b. you will be late for school .c. he should go to a doctor.d. you must/should eat less breade. Please sing along with me.f. I will eat some food. Thank you ,and have a great day. 我们，还在路上……