八年级下册英语第五单元知识点整理

1、学习必备精品学问点八年级下册英语第五单元学问点整理一，课文重难点讲解：1. if you go to the party, you'll 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，特别留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 won't go to the park. i'll go w

2、ith you if i'm free.2. i think i'm going to wear jeans to the party.if you do, the teacher won't let you in.（ 1） do 用作代动词，代替上文的动词部分“wear jeans to the party ” ,为防止重复；（ 2） let in 意为“让进来”windows let in light and air.you must keep the door closed. don't let the dog in.3. today is too ear

3、ly. if we have it today, half the class won't 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.留意表“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 an

4、d a half years一年半， five and half days五天半学习必备精品学问点4. we can all meet and watch a video.meet 碰头，集合，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” i'll get bored if i read english for a long time. the tv play is too boring.i'm not interested i

5、n such boring stories.6. when is a good time to have the party.let's 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 s

6、th. 记得做过某事（ 3） rules for school parties.学校聚会的规章8. don't 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.我会做许多旅行吗？10. if you do, the teachers will ask them to leave.学习必备精品学问点（ 1） ask sb. to do st

7、h. 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 上高校make money 挣钱get an education 接受训练12. for many young people, becoming a professional athlete might seem like a dream job. seem like 好像（是）dream job抱负的工作13. you'll be able to make a living doing something you love

8、.（ 1） be able to “能，会” ,时态变化表达在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“凝视，关注”all the time始终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, turn re