八年级下册英语第五单元知识点整理

-教育精选-八年级下册英语第五单元知识点整理一，课文重难点讲解：1. If you go to the party, youll have a good time. 条件状语从句常由从属连词if,unless等引导。和时间状语从句一样，条件状语从句用一般现在时而不用将来时，尤其注意主语为第三人称单数时，动词使用单数形式。if引导的条件状语从句的结构：if+一般现在时，主语+将来时。 If you ask him, he will help you. If it rains tomorrow, we wont go to the park. Ill go with you if Im free.2. I think Im going to wear jeans to the party. If you do, the teacher wont let you in.（1）do用作代动词，代替上文的动词部分“wear jeans to the party”,为避免重复。（2）let in意为“让进来” Windows let in light and air. You must keep the door closed. Dont let the dog in.3. Today is too early. If we have it today, half the class wont come. （1）too“太”,带否定含义。 （2）class此处指全班同学。half a/an, a half, half the 后接名词，表示“一半”. He ran half a mile / a half mile in half an hour. I have finished half the book. 注意表“半个”或“个半”时，half一词的用法。 half an hour 半小时，half a year 半年，one year and a half 一年半，one and a half years一年半，five and half days 五天半4. We can all meet and watch a video. meet 碰头，聚集，见面，watch a video 看录像5. Some students will be bored. be bored, get bored 疲乏的，厌倦的 bored 指人的状态，主语为人“厌乏的” Ill get bored if I read English for a long time. The TV play is too boring. Im not interested in such boring stories.6. When is a good time to have the party? Lets have it today. “to have the party”是不定式作定语修饰名词time.不定式作定语通常要放在所修饰的名词或代词之后。7. I want you to remember the rules for school parties.（1）want sb. to do sth. 想让某人做某事（2）remember v. 记住，记得，想起 remember to do sth. 记得去做某事 remember doing sth. 记得做过某事（3）rules for school parties. 学校聚会的规则8. Dont bring food to the party. If you do, the teachers will take it away. bring sth. to sb. = bring sb. sth. 带给某人某物 take sth. away 把某物拿走9. Will I travel much?我会做很多旅行吗？10. If you do, the teachers will ask them to leave.（1）ask sb. to do sth. 让某人做某事 ask sb. not to do sth. 让某人不（别）做某事（2）leave v. 离开；留下、剩下11. go to college 上大学 make money 挣钱 get an education接受教育12. For many young people, becoming a professional athlete might seem like a dream job. seem like 似乎（是） dream job理想的工作13. Youll be able to make a living doing something you love.（1）be able to “能，会”,时态变化体现在be动词上。（2）make a living 谋生，do sth. for a living 做某事以谋生14. People will watch you all the time and follow you everywhere. watch “注视，关注” all the time 一直 follow “跟随”,及物动词，follow sb. 跟随某人 everywhere “每处地方”,副词，前不能用介词。15. get injoured 受伤16. If you become rich, you will have a difficult time knowing who your real friends are.（1）become rich 变得富有。 become, turn, get等是表变化过程的系动词，后跟形容词。 become true, tu