初中英语九年级英语上册Grammar Focus 单元语法精讲精练

初中英语学习资料madeofjingetiejiUnit1 Grammar Focus 语法精讲精华一、介词by 的用法1.by 表示方式、方法或手段，后接名词或动名词，意为“使用某物；靠；乘(车、船 )等”。

如：Do you learn English by reading aloud? 你经过朗诵来学习英语吗？I often go to school by bike. 我常常骑自行车去上学。

2.by 表示时间，意为“到时(为止)；在从前、不迟于”。

如：I have to go to bed by ten o我必’须clock10.点前睡觉。

Can you finish your work by nine o你能’在clock?10点前达成你的工作吗？3.by 表示地址、地点。

意为“凑近；在旁边”。

如：The boy often reads books by the river. 这个男孩常常在河畔念书。

4.by 表示挪动的方向。

意为“从旁边过”。

如：He walked by me without speaking. 他从我旁边经过，没有说话。

5.by 表示依据，意为“依据”。

如：What time is it by your watch? 你的腕表几点了？6.by 表示被抓着，被接触身体的某一部分。

如：She took me by the hand.她拉着我的手。

二、动名词用法小结1.动名词在句中作主语Doing morning exercises is good for our health. 做晨操对我们的健康有利处。

(2)能够用 it 作形式主语，而把真实的主语后置。

如：Getting up early is good for your health.→It ’ s good for your health to get up early早.起对你的健康有利。

2.动名词在句中作宾语动名词在句中作宾语时，一般放在某一及物动词或介词以后充任这一动词或介词的宾语。

人教新目标九年级Unit 13 Grammar Focus讲解及练习（有答案）Joe is used to drinking a cup of coffee every morning.3. My grandfather built this house in 1930.This house was built (by my grandfather) in 1930.主动语态表示主语是动作的执行者,被动语态表示主语是动作的承受者。

被动语态：Passive voice定义：表示主语是动作的承受者，即行为动作的对象的一种语态。

结构：be + 过去分词e.g. A new school was built last year.Our classroom is cleaned every day.①一般现在时的被动语态：am/is/are + V-ed②一般过去时的被动语态：was/were+ V-ed③一般将来时的被动语态：will/shall+be+ V-ed不可以变成被动语态的情况1. 某些感官动词加形容词及少数其他的动词与一些副词连用表示被动意义。

smell, taste, prove, sell, etc.1) The dish tastes delicious.2) The theory proved right at last.3) The book is so interesting that it sells well.4) The pen writes well.2. need做实意动词时，need + V- ing主动形式表示被动意义。

我的车需要修理。

My car needs repairing. (= to be repaired).3. 通常只有及物动词（组）才有被动语态，不及物动词没有。

战争爆发了。

The war broke out.但不能说：The war was broken out.4. Lily, clean your teeth please.Mum, I have already cleaned them.现在完成时表示动作发生在过去，并对现在有影响。

Explanation.
2. I want to learn new words and more grammar so that I can have a better understanding of English movies. 此处so that引导一个目的状语从句，意为“以便；为了”， 相当于in order that…结构。这时从句中的谓语动词常和 can, may, should等情态动词或be able to连用。 例： 请打开灯，以便我们能看清楚它。 Please turn on the light so that we can see it clearly.
Explanation.
4. invent, find, discover与find out 区别：
1) invent意为“发明”，指通过劳动运用聪明才智“发 明／创造”出以前从未存在过的新事物。 2) find意为“找到、发现”，指找到或发现自己所需要 的东西或丢失的东西，着重指找到的结果。 3) discover意为“发现”，表示“偶然”或“经过努力” 发现客观存在的事物、真理或错误，即指发现原来客观 存在但不为人所知的事物，也可表示发现已为人所知的 事物的新的性质或用途。 4) find out指经过研究或询问查明某事或真相。
Work in pairs:
1. 两人一组，互相提问短语。 2. 讨论下列知识点： 1) be afraid有哪些用法；2）look up的用法及look的其他短语；
3) because与because of区别；4） called Toy Story.怎么理解。
Work in groups:
(组长组织，按序发言，红笔记录) Talk about your problems you can’t work out.

Unit 13 Grammar Focus及练习Grammar FocusPay attention to the sentences.1) We’re trying to save the earth.2) The river used to be so clean.3) The air is badly polluted.4) No scientific studies have shown that shark fins are good for health.5) We should help save the sharks.1. They are playing basketball.Nancy is working on a new book about stories in schools.Why are you always coming late for class?如今进展时: Present Progressive定义：表示说话时〔瞬间〕正在进展的动作，也表示目前或现阶段一直进展的动作。

构造: be (am/is/ are) + v.-ing标志词：Look, Listen, now, right now…e.g. Look! The boy is crying.2. used to do与be used to doingused to do sth. 表示过去常常做某事, 而如今往往不做了, 后接动词原形。

be used to doing sth. 表示习惯于做某事。

e.g. I used to get up at six o’clock.Joe is used to drinking a cup of coffee every morning.3. My grandfather built this house in 1930.This house was built (by my grandfather) in 1930.主动语态表示主语是动作的执行者,被动语态表示主语是动作的承受者。

人教新目标九年级Unit 13 Grammar Focus讲解及练习（有答案）Unit 13 Grammar Focus及练习Grammar FocusPay attention to the sentences.1) We’re trying to save the earth.2) The river used to be so clean.3) The air is badly polluted.4) No scientific studies have shown that shark fins are good for health.5) We should help save the sharks.1. They are playing basketball.Nancy is working on a new book about stories in schools.Why are you always coming late for class?现在进行时: Present Progressive定义：表示说话时（瞬间）正在进行的动作，也表示目前或现阶段一直进行的动作。

结构: be (am/is/ are) + v.-ing标志词：Look, Listen, now, right now…e.g. Look! The boy is crying.2. used to do与be used to doingused to do sth. 表示过去常常做某事, 而现在往往不做了, 后接动词原形。

be used to doing sth. 表示习惯于做某事。

e.g. I used to get up at six o’clock.主动形式表示被动意义。

我的车需要修理。

My car needs repairing. (= to be repaired).3. 通常只有及物动词（组）才有被动语态，不及物动词没有。

Unit 9 I like music that I can dance to.
第三课时 (Grammar Focus4c)单 元同步语法精讲精练
定语从句 ►概念：在复合句中，修饰某一名词或代词的从句叫定语从句。定语从
句所修饰的名词或代词叫先行词。引导定语从句的词叫关系词。关系词包 括关系代词和关系副词。关系代词有that，which，who(宾格为whom，所有 格为whose)，关系副词有where，why，when。本单元我们主要学习关系代 词引导的定语从句。
10．—Do you know the kid with ___D_____ Bob is talking over there? —Yes，it's my cousin. A．who B．that C．/ D．whom 11．She is the girl ___D_____ invention got the first prize in the school competition. A．who B．that C．which D．whose 12．The house in ___C_____ Lu Xun used to live is now a museum. A．where B．that C．which D．there
④whom指人，在句中只能作宾语。 eg：He isn't the man whom/who/that I talked to just now.他不是刚刚与我交谈 的人。(作宾语) ⑤whose指人也可指物，在句中作定语。 eg：Is there anyone in our class whose father is a doctor？在我们班里有谁的 父亲是医生吗？(at are you looking for?

What's his father's name？ 他的父亲叫什么名字？ eg： I don't know what his father's name is. 我不知道他的父亲叫什么名字。
When will they leave for Shanghai？
他们什么时候去上海？
Can
you
tell
me
when
they
will
leave
for
Shanghai？
你能告诉我他们什么时候去上海吗？
►宾语从句的简化结构 由特殊疑问词引导的宾语从句通常可简化成“特殊疑问词＋不定式”结 构，此时主从复合句也就变成了简单 句。但简化时要注意以下两点： ①原从句的主语应与主句的主语或间接宾语一致； ②简单句的疑问词仍为原宾语从句的引导词。
( A)9.—I want to know________．
—Because he has to look after his little sister.(2017·贵州遵义)
A．why he is leaving
B．why is he leaving
C．whether he is leaving
人教版
Unit 3 Could you please tell me where the restrooms are 第三课时 Grammar Focus4c—单元同步语法精讲精练
宾语从句Ⅱ
►宾语从句的引导词 当宾语从句是特殊疑问句时，特殊疑问词就是引导词，不可省略。 eg：I wondered what I should do next.我想知道下一步该做什么。 I don't know whose book it is.我不知道这是谁的书。 ►宾语从句的语序 当宾语从句是疑问句时，仍要用陈述句语序。

九年级上册英语第一单元grammarfocusIn the first unit of the 9th grade English textbook, the grammar focus includes the following topics:1. Simple Past Tense: This grammar topic is used to talk about past events or actions that have already happened and are completed. It is formed by adding -ed to the base form of regular verbs or using irregular verb forms.Example: She played the piano at the concert last night.2. Present Perfect Tense: This grammar topic is used to connect past actions or events to the present or to emphasize their relevance to the present. It is formed with the helping verb 'have/has' and the past participle form of the verb.Example: I have seen that movie before.3. Present Continuous Tense: This grammar topic is used to talk about actions happening at the present moment or for temporary situations. It is formed by using the present participle (-ing) form of the verb with the helping verb 'be.'Example: They are studying for the exam right now.4. Comparative and Superlative Adjectives and Adverbs: This grammar topic is used to compare two or more people, things, or actions. Comparative forms are used to compare two items, while superlative forms are used to compare three or more items.Example: This book is more interesting than the previous one.5. Modal Verbs: This grammar topic is used to indicate ability, possibility, permission, necessity, or advice. Common modal verbs include 'can, could, may, might, must, should, and ought to.'Example: You should take a break and relax.These are some of the grammar topics covered in the first unit of the 9th grade English textbook.。

二、把下列句子合并成含定语从句的复合句
1.I like books. The books are interesting. I like books that/which are interesting. 2.Maria is the tallest girl in her class. She plays the violin well. Maria is the tallest girl who/that plays the violin well in her class. 3.We like the singers.The singers sing the lyrics clearly. We like the singers who/that sing the lyrics clearly.
6.The boy’s handwriting won the first place in the competition. Do you know him? Do you know the boy whose handwriting won the first place in the competition?
7.When Robinson got to the island, the first thing that he did was to look for some food. 8.Chaka Salt Lake that/which is known as Mirror of the Sky interests many tourists. 9.I have a friend who likes listening to classical music. 10.When we meet again in twenty years, we will be excited and talk about things and persons that we remembered in the school.

4. I used to visit my grandparents once a week.(对画线部分提问) How often did you use to visit your grandparents?
5. Mary used to help the children with English.(改为一般疑问句)
？
B: Sure, of course.
A: By the way, 3. Is this your dog
？
B: Yes, it is. You used to play with my dog. Don't you remember him?
A: Wow! Is it him? He used to be small. But now he's so big. Do you often take
him for a walk? B: 4. Yes, I do
. I walk him every day.
A: That's great. Now I'm a little afraid of him.
B: 5. Don't be afraid
. He's friendly.
A: All right. Let's go.
A. is used to
B. used to
C. uses to
( A )4. (2018·菏泽) During the Spring Festival, the young ________ a
kowtow(磕头) to the elders, but now they only give them best wishes.

语法知识专练课时同步精练
（C （B （D （A （B （C （B （C （D （A
）1.A.map
B.stamp
）2.A.spent
B.cost
）3.A.nervous B.afraid
）4.A.because ether
）5.A.theirs
B.ours
）6.A.slowly B.quickly
teenagera’rse dliefea.ltHowever，if they 1.
（deal） with
well，they won’t become real problems. When I just went to
middle school，I was unhapbpeya.llTohweered were too many rules around
1.父母通常让他们的孩子远离危险。
Parents usuallkyeep
their cahwiladyrenfrom
danger.
2.应当允许我们做出自己的决定。
We should be allowemdatoke our own decisions
.
3.他还很小的时候，他们就搬离了伦敦。
They moved out
）7.A.something B.nothing
）8.A.darkly B.politely
）9.A.catch
B.lose
）10.A.proud B.angry
C.notice C.paid C.worried C.although C.yours C.seriously C.anything C.differently C.join C.sad

Unit 14 Grammar focus讲解及练习1. Revision一般过去时用法：可以表示过去某一时间或某一段时间内发生的动作或存在的状态，也可以表示过去经常或反复发生的动作。

谓语部分要用动词的过去式。

标志性词汇：yesterday, the day before yesterday, ago, later, just now, at that moment,last, in 2021, in the past, every day last year等。

一般将来时用法：可以表示将来某个时间要发生的动作或存在的状态，也可以表示将来经常或反复发生的动作。

构成：will / shall + 动词原形(注意：主语为第一人称时使用shall)标志性词汇：tomorrow, the day after tomorrow, next, in five days, in the future, lateron, soon等。

“be going to +动词原形”也可以表示将要发生的动作或打算、计划、决定要做的事。

现在完成时用法：表示过去发生或者未发生的事对现在造成的影响或结果。

构成：主语+ have / has +过去分词+ …标志性词汇：just, ever, never, yet, already, for, since, so far, recently, twice, threetimes等。

宾语从句宾语从句即在复合句中充当宾语的句子。

连接词从句来源连接词备注陈述句that 口语或非正式文体中常省略一般疑问句if / whether特殊疑问句 连接代词：who; whom; whose; which; what 等 在句中担任主、宾、定或表语。

连接副词：when; where; why; how 等 在句中担任状语 宾语从句用陈述语序。

如：He is an honest boy. The teacher said.→The teacher said （that ）he was an honest boy.Does he work hard? I wonder.→I wonder if/whether he works hard.When did he leave? I don’t know.→I don’t kn ow when he left.时态①主句是现在的时态，从句的时态可根据实际情况而定。