Unit8知识点总结人教版九年级英语全册

人教版英语九年级上册Unit8
语法知识点
✅It must belong to Carla.
belong to 属于
must
【1】表示“肯定”，“一定”，表示肯定推测。

否定式:can't
【2】表示“务必”，“必须”。

否定式：needn't或don't have to
【mustn't】表示“禁止”，“严禁”
如：
This book must be Anna's.这本书一定是安娜的。

否：This book can't be Anna's.这本书说不可能是安娜的。

We must finish the rest of the project in three days.我们务必要在三天之内完成剩余的项目。

否：We needn't /don't have to finish the rest of the project in three days.我们不必在三天之内完成剩余的项目。

You mustn't play with fire or you will hurt yourself.
严禁玩火，否则你会伤到你自己。

✅pop music流行音乐
soft music轻音乐
classical music古典音乐
rock music 摇滚音乐
✅Whose book is this? It must be Mary's. J.K. Rolling is her favorite writer.
whose, “谁的”，表示物品之间的所属关系。

回答1：【belong to】+所属人
回答2：【名词所有格】，名字+'s
Whose shirt is this?
It should be Mike's.
It should belong to Mike.
✅ might, could，can't, must
⏺️might,“有可能”，表推测,不用于疑问句
⏺️could, “有可能”，表推测，可用于肯定句，否定句和疑问句
⏺️must, “一定”，表推测
⏺️can't, “不可能”，表推测
✅ find （v.）找到【强调结果】
look for 寻找【强调过程】
I can't find my keys. I might lose my keys.
我找不到我的钥匙，我可能弄丢了。

✅ attend a concert 参加音乐会
✅ Do you have anything valuable in your school bag?
⏺️anything valuable贵重的物品
注意【不定代词】+形容词的位置关系，一定是不定代词在前，形容词在后。

I have something important to tell you.
我有重要的事情要告诉你.
I spent my birthday yesterday, nothing special.
昨天我过了生日，没啥特别的。

✅ So it might still be in the music hall.所以它可能还在音乐厅.
⏺️might表示“有可能”
✅So it can't be stolen.所以它不可能被偷。

⏺️can't 表示“不可能”
✅So could it still be at the park?所以它可能还在公园吗？
⏺️ Could表示有可能,可以用于疑问句。

might不能用于疑问句
✅I think somebody must have picked it up.我认为一定有人捡到它了。

⏺️must have done sth.一定做了某事，表示对过去的肯定推测。

否定形式：can't have done. sth. 不可能做过
⏺️pick up 捡到，捡起，接，接某人
✅ Almost everyone knows each other几乎人人都互相认识了解。

⏺️each other 互相
✅My wife thinks that it could be an animal, but my friends and I think it must be teenagers having fun.我妻子认为有可能是一种动物，但是我朋友和我认为一定是孩子们在玩耍。

✅nextdoor neighbor隔壁邻居
✅ I think it was too big to be a dog.因为他太大了，不可能是一条狗。

⏺️too+adj.+to...“太....而不能....”
✅ Maybe it was a bear or a wolf. 也许它是一只熊或者一头狼。

⏺️maybe 【adv】=perhaps, 大概，也许，经常用于句首
⏺️区分 may be, may是情态动词，“可能是”
Maybe you are wrong.= You may be wrong. 你可能错了。

✅ uneasy （adj.）担心的，不安的，和worried意思相近
✅ There must be something visiting the homes in our neighborhood. There must be someone knocking at the door.
✅ go away 消失，离开
✅ The noisemaker is having too much fun creating fear in the neighborhood.
⏺️too much +不可数名词，“太多....”
hear sb. doing sth.听到某人正在做某事（正在进行）
hear sb. do sth.听到某人做某事（全过程）
✅I feel sleepy. 我感到很困。

⏺️sleepy （adj.）
区分
⏺️asleep （adj.）睡着的
⏺️sleep （n.）（v.）睡觉
fall asleep 进入梦乡
go to sleep 睡觉
✅连词
so表示结果
as/because/since 表示原因
but / however/though表示转折
not only....but also...不但...而且...
or 或者...
when/while 当....时候（同时发生）
练习：
1. Chen Wei isn't at school today________ he is taking a robot petition in Shanghai.
A. so
B. because
C. before
D. if
2. Our Chinese teacher didn't go to bed ________ he finished his work last night.
A. if
B. until
C. since
D. because
3. A stupid man tells a woman to shut up, while a wise man tells her that her mouth is quite beautiful ________ it is closed.
A. unless
B. since
C. when
D. though
4.Our world will get better and better________ each of us lives a greener life.
A. before
B. if
C. though
D. until
5. I am really proud of my group ________ we're always discussing and sharing study secrets together. How important the group work is!
A. because
B. though
C. unless
6. The traffic policeman took away Jim's driver's license ________ he broke the traffic rules of drunk driving.
A. though
B. because
C. till
D. and
7. Your hearing will be badly hurt ________ you always listen to music by earphone(耳机)．
A. whether
B. where
C. if
8. You will succeed finally ________ you give up halfway.
A. if
B. unless
C. even though
9.—Did you win the game yesterday?
—Not really. ________ we all tried our best, we lost it.
A. If
B. Though
C. Unless
10.She is listening to music ________ he is doing his homework.
A. after
B. before
C. while
答案：BBCBA BCBBC
✅ Stonehenge， a rock circle, is not only one of Britain's most famous historical places, but also one of its greatest mysteries.
巨石阵是一个岩石圈，它不仅是英国最著名的历史遗迹之一，也是英国最大的谜团之一。

⏺️historical （adj.）历史的
区分：
historic （adj.）历史著名的
historian （n.）历史学家
⏺️one of the+最高级，“最...之一”
✅ point out 指出
✅ They think the stones can prevent illness and keep people healthy.他们认为石头能够预防疾病，使人们保持健康。

⏺️prevent 预防
⏺️keep healthy 保持健康
✅ Some think it might be a burial place or a place to honor ancestors. Others think it was built to celebrate a victory over an enemy.有些人认为这可能是一个埋葬地或是一个纪念祖先的地方。

其他人认为它是为了庆祝战胜敌人而建造的。

⏺️Some think....others think ....一些人认为....另一些人认为....
⏺️others 表示【泛指】， the other 表示【特指】，one...the other...一个....另一个....（指两者）
✅ a long period of time 很长一段时间
题目练习
（一）根据首字母或汉语提示，完成下列句子。

1.I planned to a________ a concert yesterday but my ticket disappeared.
2.A strange man came while I was having a ________(野餐)，but soon
I couldn't find him.
3.These days，something unusual is happening in our town. We're really nervous because every night we hear strange ________(噪音)outside our window. It made us not sleep well at night and feel s________ during the da y.
4.My classmates and I have found a ________(粉红色的)wallet on the playground. We discuss about w________ wallet it is.
5.I'm really worried，because I lost an ancient coin. It is very ________(有价值的).
6.I'm on duty today. So I went to school earlier than bef ore to clean the classroom. But to my surprise，the classroom was very clean.________(某人)has cleaned it. I wondered who did it.
7.There have been strange crop ________(圆圈) on the earth for many years. It's so amazing！All our classmates wonder how they appea r.（二）根据语境用 might，could，can，must，can't 填空。

1.I can't find my concert ticket and I was anxious. My mother said
I ________ leave it at school but forgot to bring it home. But I never took the ticket to school，so it ________ be at school.
2.This morning someo ne helped me clean the classroom，but I don't know who did it. I think it ________ be Lin Tao. He is warm－hearted and always helps the classmates. But I didn't see him this morning. Someone told me that he was ill at home today. So it ________ be him. Then，it ________ be Wang Lin. He is my best friend，and he ________。