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人教版八下英语期中复习Unit1-4必背知识
Unit 1 Time to Relax 放松时刻
✅ 必背核心短语(考试必考)
1. spend time (in) doing sth 花费时间做某事
2. spend time on sth 在某事上花费时间
3. be busy doing sth 忙于做某事
4. take a break/have a break 休息一下
5. enjoy oneself 玩得开心
6. plan to do sth 计划做某事
7. too much 太多(修饰不可数名词)
8. feel relaxed 感到放松
9. in one's free time 在某人空闲时间
10. do some reading 阅读
✅ 重点语法(分值最高)
1. spend的用法(完型、选词 必考题)
主语是人,结构:sb. spend(s) time/money (in) doing sth/on sth
例句:She spends two hours doing her homework every day.
2. ed/-ing形容词辨析(易错考点)
ed:修饰人,表“感到……的” → relaxed(感到放松的)、bored(感到无聊的)
ing:修饰物/事,表“令人……的” → relaxing(令人放松的)、boring(无聊的)
口诀:人-ed,物-ing
3. 动词不定式to do(固定搭配)
plan to do、want to do、hope to do、decide to do
✅ 易错查漏
1. busy后接doing,不是to do
2. relax(动词,放松)→ relaxed/relaxing(形容词)
✅ 作文万能套用句
1. It's important for us to relax in our free time.
2. I often spend my free time doing sports and reading.
3. Relaxing can help us study better.
Unit 2 Stay Healthy 保持健康
✅ 必背核心短语(考试必考)
1. stay healthy=keep healthy 保持健康
2. have a cold 感冒
3. have a fever 发烧
4. take medicine 吃药
5. have a good rest 好好休息
6. do exercise 做运动
7. plenty of 大量,许多
8. be good for 对……有益
9. be bad for 对……有害
10. go to bed early 早睡
✅ 重点语法(高频考点)
1. 情态动词should/shouldn't(提建议,写作必用)
should+动词原形,否定式shouldn't+动词原形
例句:We should eat more vegetables. We shouldn't eat junk food.
2. 祈使句(表建议/命令)
Eat more fruit. Don't stay up late.
3. 不可数名词用法
exercise(运动)、medicine、food为不可数名词,无复数形式
✅ 易错查漏
1. exercise表“运动”时不可数,表“练习、操”时可数
2. healthy(形容词,健康的)→ health(名词,健康)
✅ 作文万能套用句
1. It's very important for everyone to stay healthy.
2. We should eat healthy food and do more exercise.
3. Having a good rest is good for our health.
Unit 3 Growing up 成长
✅ 必背核心短语(考试必考)
1. grow up 成长,长大
2. help sb. (to) do sth. 帮助某人做某事
3. learn to do sth. 学习做某事
4. take care of=look after 照顾
5. by oneself 独自
6. try to do sth. 尽力做某事
7. think of 想到,认为
8. grow taller 长高
9. become more independent 变得更独立
✅ 重点语法(核心考点)
1. 不定式to do作宾语
learn to do、try to do、want to do、hope to do
2. 一般现在时(表习惯/能力)
主语为第三人称单数时,动词变三单(加s/es)
3. 反身代词
myself(我自己)、yourself(你自己)、himself(他自己)、herself(她自己)
✅ 易错查漏
1. help sb. 后可接to do/do,to可省略
2. take care of +宾语,look after +宾语
✅ 作文万能套用句
1. I am growing up and I learn to take care of myself.
2. We should try to help our parents with housework.
3. Growing up makes me become more independent.
Unit 4 The Wonders of Nature 自然奇观
✅ 必背核心短语(考试必考)
1. the wonders of nature 自然奇观
2. go on a picnic 去野餐
3. go hiking 去远足
4. in the mountains 在山里
5. look at 看
6. many kinds of 各种各样的
7. in nature 在自然界
8. enjoy the beauty of nature 欣赏自然之美
9. take photos 拍照
10. by the lake 在湖边
✅ 重点语法(必考考点)
1. there be句型(完型,写作必考题)
肯定句:There is+单数/不可数名词;There are+复数名词
否定句:be动词后+not;疑问句:be动词提前
例句:There is a river in the mountains. There are many trees.
2. 可数名词复数规则变化
直接加s:flower→flowers
以s/x/ch/sh结尾加es:box→boxes
3. 情态动词can(表能力/允许)
can+动词原形,否定式can't
✅ 易错查漏
1. there be句型遵循就近原则
2. wonder(名词,奇观)→ wonderful(形容词,绝妙的)
✅ 作文万能套用句
1. Nature is very beautiful and we should love it.
2. There are many wonderful wonders in nature.
3. I like going hiking to enjoy the beauty of nature.
期中核心考点汇总(必看)
1. 三大核心语法:spend用法、should提建议、there be句型
2. 高频易错:-ed/-ing形容词、三单动词变化、不可数名词
3. 写作直接套用各单元万能句,无需自行创作
4. 固定短语是选词、完形填空主要得分点,务必记熟
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