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1、七年级下册U5-U7各个话题知识要点Unit 5 Topic1 重点语法一般现在时（常与频度副词never, seldom, sometimes, often,usually, always等连用）重点详解1I always come to school by bus. by+交通工具名称，表示使用某种交通方式，中间不加限定词，如果交通工具前有a, the, my 等限定词，就不能用by,而是用in或是on. on the train=by train on his bike=by bike in my car=by car. 巧辩异同on foot 与 walk on foot “走路”，是
2、介词短语，不能作谓语，只作方式状语，位于句末。walk “走路”,是动词，可以作谓语。go toon foot= walk to I often go to school on foot. =I often walk to school. 同样，go to.by bike = ride a bike to go to. by car = drive a car to go to by plane = fly to go to by bus = take a bus to2 Come on! Its time for class. come on “快点，加油，来吧”。Its time for
3、sth. “该做某事了”，与 Its time to do sth.意思一样。3 look的短语 look the same看起来一样look like看起来像 look for寻找 look after 照顾4 do my homework at school 在学校做作业do ones homework 做家庭作业（注意：ones 要随主语的变化而变化，常用形容词性物主代词my, your, their, our, his, her等）。5 we want to know about the school life of American students. 我们想了解一下美国学生的学校生
4、活。 want to do sth. “想做某事”，want 后接动词不定式作宾语。know about “了解，知道关于”。6 巧辩异同 a few与few a few “一些”，few“很少，几乎没有”，修饰可数名词。 a little与littlea little“一些”，little“很少，几乎没有”，修饰不可数名词。7 They often play basketball or coccer, go swimming and so on. go swimming 去游泳and so on “等等”，表示还有很多。 拓展 go+v.-ing 表示去做某事，类似的有： go fishin
5、g 去钓鱼 go shopping 去买东西 go boating 去划船 go skating 去滑冰8 How often do you go to the library?你多久去一次图书馆？ how often“多久一次”，问频率。答语常用频度副词never, always,often等或单位时间内的次数once a week一周一次 twice a month每月两次three times a year每年三次语法讲解 一般现在时一般现在时表示：（1）现在所处的状态。Jane is at school.（2）经常或习惯性的动作。I often go to school by bus.
6、（3）主语具备的性格和能力。He likes playing football.（4）客观真理。The earth goes round the sun. 常用的时间状语：often, always, usually, sometimes, every day等等。 行为动词的一般现在时，助动词是do/dont和does/doesnt.当主语是第一、二人称和所有复数形式时，行为动词用原形。 肯定式：I go to school on foot. 否定式：I dont go to school on foot. 疑问式：Do you go to school on foot? Yes, I do
7、. No, I dont. 当主语是第三人称单数时，动词用第三人称单数形式，在词尾加-s或-es。 肯定式：He goes to work by bus. 否定式：He doesnt go to work by bus. 疑问式：Does he go to work by bus? Yes, he does. No, he doesnt.Topic2重点语法现在进行时态。重点句型What are you doing? He is cleaning the dormitory. Are you doing your homework? Yes, I am./No, I am not. How l
8、ong can I keep them? Two weeks.重点详解1 at the moment“此刻，现在”,相当于now.2 巧辩异同go to sleep与go to bed go to bed“上床”“就寝”I often go to bed at ten. go to sleep“入睡”“睡着”Last night I went to sleep at two oclock.3 巧辩异同some, a few 与a little“一些，有些”三者都修饰名词。 some既可以修饰可数名词又可以修饰不可数名词。We want some apples and some water. a
9、 few用在可数名词复数之前，a little用在不可数名词之前。There are a few books and a little waterin the classroom.4 与how相关的短语how often多常how many多少 how much多少钱 how old多大5 And you must return them on time.你必须按时归还它们。Return意为“归还，回归” return sth. to sb.把某物归还某人=give back sth. to sb. return to“回到”，相当于come back to6 Maria and a girl
10、 are talking at the lost and found. talk“交谈”，常用的短语talk to/with sb.“与某人交谈”巧辩异同talk, say, speak与tell (1) talk“交谈”，表示通过谈话方式交换意见、消息等。 (2) speak“说话”，强调开口发声，后常接某种语言。 (3) say “说”，强调所说的话的内容。 (4) tell“告诉”，有时兼含“嘱咐”“命令”等。tell a truth说真话，tell a lie说谎, tell a story 讲故事等固定搭配。7 I cant find my purse and I am lookin
11、g for it. look for“寻找”，强调寻找的过程； find“找到”强调找的结果。8 look(at), see与 readlook(at)指看的动作，see指看的结果，read常指看书、看报纸等。9 Here are some photos of his.这有他的一些照片。 photos of his是双重所有格。his是名词性物主代词，后还可以接名词所有格。a friend of mine我的一个朋友 a classmate of my brothers我弟弟的一个同学10 I also want to go there one day.我也希望有一天到那儿。 also意为“也
12、”，常用于be动词和情态动词后面，实义动词的前面。 巧辩异同 also与tooalso放在句中，too用于句末。语法讲解 现在进行时1.现在进行时表示：现在正在进行或发生的动作。2.常用的时间状语：now, at the moment, look, listen等。3.谓语动词构成：be(am/is/are)+v.-ing形式。4.动词的-ing形式构成：规 则原 形-ing形式一般在动词原形末尾加-ingdogodoinggoing以不发音的字母e结尾的动词，先去掉e，再 加-ingmakedancemakingdancing以重读闭音节结尾的动词，如末尾只有一个辅音字母，应双写出这个字母，
13、再加-ingswimrunswimmingrunning5.现在进行时态的肯定、否定和疑问式。（1）肯定式：I am running. You are running. He/She is running.（2）否定式：Im not running. You arent running. He/She isnt running.（3）一般疑问句及回答：Are you running? Yes, I am./No, I am not.Is he/she running? Yes, he/she is./ No. he/she isnt.Topic3 重点语法一般现在时和现在进行时的使用和异同。重
14、点句型 What day is ti today? Its Wednesday. Why do you like it? its easy and interesting. What class are they having? They are having a music class.重点详解1 询问星期几用What day？回答：Its Wednesday/Sunday。与特殊疑问句词what有关的短语：what class什么班 what color什么颜色what time几点 what date几号（日期）2 How many lessons does he have every
15、weekday?How many+可数名词的复数形式；How much+不可数名词。3 一个星期的第一天是Sunday, 在星期几前用介词on,在具体点钟前用at.4 learning about the past了解过去learn about了解 拓展learn from向学习learn by oneself自学5 What do you think of ? = How do you like?你认为怎么样？6 Why? Because its interesting. 用why提问必须用because回答。7 Which subject do you like best?你最喜欢什么科目
16、？like best最喜欢，可用favorite“特别喜爱的”转换。8 be friendly to sb. 对某人友好9 I can learn a lot from it.我能从中学到很多东西。 (1) learnfrom“从学习”。 (2) a lot = much“许多”，后接宾语时要说a lot of 也可以表示“非常，十分”。Unit6 Topic1 重点语法There be 句型和方位介词短语。重点句型 There are two bedrooms and a a small study. There is a lamp, a computer, some books and s
17、o on. Is there a computer in your study? Yes, there is. Dont put them here. Put them away. 重点讲解1 Its on the second floor. 在哪一层楼，用介词on。on表示在上面。second是序数词，前面要用定冠词the, 意为第二（的）。 巧辩异同 two与secondtwo是基数词，second是序数词，“第二”或“第二的”，指排列顺序。2 in 在里面，是方位介词。in the box in the classroomIs there? 表示某地存在吗？其肯定回答是：Yes, the
18、re is. 否定回答No, there isnt.它的复数形式为Are there? 其肯定回答是：Yes, there are. 否定回答No, there arent.3 巧辩异同 there be与 have(1) there be“有”，指（某地）存在“有”。(2) have“有”，指人或某物“拥有”。The is a dog in the picture. The dog has two big eyes.注：there be 遵循就近原则。be 用is还是are，取决于离该动词最近的那个名词。如果该名词是单数或不可数名词就用is，如果是复数就用are。4 have a look看
19、看。后面接名词时要用at. 如have a look at your watch.5 talk about“谈论，议论”，后接名词或动名词。 talk with/to “与某人交谈”6 用来询问某地有某物，其结构为：Whats+介词短语，回答时应用there be句型。7 play with“和玩耍”，“玩” play with sb.“与某人一起玩”8 put away 把放好9 look after“保管，照顾”，相当于take care of. look at看 look like看起来像 look for寻找 look the same看起来一样10 巧辩异同in the tree与o
20、n the tree (1) in the tree 指外来物体在树上。(2) on the tree树木本身长出来的花、树叶等。11 巧辩异同like doing与like to do like doing 表示经经常性或习惯性的兴趣、爱好。与love doing相似。 like to do 表示偶尔的、一次性的喜欢。与love to do相似。12 Im very glad to get a letter from you.我很高兴收到你的来信。 get a letter from sb. 收到某人的来信hear from sb. Topic2 重点语法There be 句型 Wh-que
21、stions重点句型 Whats your home like? Whats the matter? Sorry, I cant hear you. Ill get someone to check it right now. There is something wrong with my kitchen fan. 重点讲解1 house with three bedrooms.有三间卧室的房子。with “有，带有”。 With还可以意为“和（某人/某物）在一起”2 apartment for a family of two.适合两口之家的公寓。 (1) for表示“给”表示目的或功能。后
22、接物主代词或名词，但通常带s.或者后接表示无生命物体的名词。Here is a letter for you. (2)of的含义为“属于某人/某事物”。She is a friend of Lilys. = Shes is Lilys friend.3 Whats the matter?怎么了？该句常用来询问某或某物出了什么什么问题或毛病；询问具体某人或某物出了什么问题时，还可以表达为：Whats the matter with sb./sth.某人或某物出了什么毛病。 Whats the matter? = Whats wrong?4 I hear you playing the piano
23、.我听见你在弹钢琴。 heardoing sth.“听见在做某事”，强调正在进行的动作。 heardo sth.“听见做了某事”，强调全过程。 hear about sth.听到关于某事物的消息 hear from sb.接到某人的来信、电话等 hear of sb./sth.听到或知道某人或某事物的情况5 a lot of = lots of许多 后接可数名词，相当于many；后接不可数名词，相当于much,用于肯定句中；但是注意：如果是否定句，刚常用many或much.6 be far from 离远（抽象距离） beaway from离远（具体距离） My school is not f
24、ar from the bookstore. The sea is 2 miles away from the hotel.7 There is something wrong with sb./sth.某人或某物出问题/有毛病了。8 Ill get someone to check it right now.我马上派人去检查。 get sb. to do sth.使某人做某事 someone=somebody某人 right now= at once= right away马上，立刻语法讲解 There be（表示“有”）用法1.“There + be+主语+地点状语”表示“某处有某物”；地
25、点状语也可放在句首，有时可用“，”与后面的部分隔开。There are some pictures on the wall.=On the wall, there are some pictures.2.它的疑问形式是将“be”提到“there”之前。 Are thery any books on the desk?3. 它的否定形式是在“be”后加“not”.4. There be如果后面接两个名词作主语，那么“be”的人称和数与邻近的名词一致。Topic3 重点语法特殊疑问句和问路、指路的方式。重点句型 Excuse me, how can I get to Go along and tu
26、rn left at the first street. Be careful! Dont play on the street.重点讲解1 go up “沿着走”与它相近的词有go along/down2 get to 到达，后接地点名词 get to =reach=arrive in/at 与get有关的短语： get in 收获 get on上车 get off下车 get out出去 get out of从出来 get up起床3 across from 在对面4 Its good to help children and old people to cross the road.帮助
27、孩子和老人过马路是一种助人为乐的行为。Its good to do sth.做某事是助人为乐的行为。5 on the corner of = at the corner of “在拐角处”，表示在某一地方或建筑物外面的拐角处。in the corner of 表示在某一建筑物内的拐角处。 6 有关come的短语 come to 来到 come form来自于 come on 加油，赶快 come in 进来 come out 出来 come down下来 come back回来Unit7 Topic1 重点语法掌握be动词的一般过去式。重点句型 Were you born in Hebei?
28、Yes, I was./ No, I wasnt. When was your daughter born? She was born on October 22nd, 1996.Whats the shape of your present? What does it look like?How long/wide is it? What do we use it for? We use it to study English.重点讲解1 英语中日期可以有两种表达法： (1)月日，年。May 1st,2008 (2)日月，年。1st May,20082 plan to do sth.计划做某
29、事 plan for sth.某事订计划3 基数词变序数词的规律： 基变序，有规律，五、十二ve用f替再加th 一二三，特殊记，整几十改y为ie再加th 八去t九去e再加th，几十几只改个位就可以。4 表示确切“几百”时，hundred后面不加“s”，但表示不确定数目的“数以百计”时，hundred后面应加“s”，用“hundreds of”表示。 three hundred students三百名学生 hundreds of students几百名学生5 英语中表达物体的长、宽、高，先说数字，再说单位，最后加上一个表示长、宽、高的形容词。“”读做“point”。6.4米长 six point
30、 four meters long6 What do we use it for?我们用它来做什么? use sth. to do sth.用某物做某事. = use sth. for doing sth.7 buy sb. sth. = buy sth. to sb.买某物给某人.语法讲解 be动词的一般过去时1. be动词的一般过去时，表示过去存在的状态。 My brother was at school yesterday.2. be动词的过去式为was/were,其否定式为was not/wasnt和were not/werent.3. 一般疑问句以及简略回答：Were you bor
31、n in July,1999? Yes, I was./No,I wasnt.Topic2 重点语法掌握情态动词can/cant,could/couldnt的用法。重点句型 Can/Could you dance? Yes, I can/could. No, I cant/couldnt. What can you do? I can speak English. He cant sing English songs.重点讲解1 Do you want to sing Chinese songs or English songs? Chinese songs. 选择疑问句中，回答时只能选择一者
32、作答，不能用“Yes”或“No”回答。2 Id like to take these flowers to the party. take sb./sth. to sw.带某人/某物去某地 巧辩异同 take与bring take （从说话人处带到别处）带去，带走 bring （由别处带到说话人处）带来3 一段时间+ago是表示过去的时间状语。 two years ago at the age of 在岁的时候4 be good at doing sth. = do well in doing sth.擅长做某事，在方面做得好。5 with ones help = with the help
33、of 在的帮助下6 can和could的使用 (1) can(could)“可以，同意，准许”表示请求，允许。could语气较can委婉。 (2) can“会，能”，表示能力，could表示过去的能力。Topic3重点语法行为动词的一般过去时及其回答。重点句型 Did you sing a song at the party? Yes, I did/No, I didnt. I missed the chair and fell down. How could you lie to me?Kangkang made a silent wish and them he blew the cand
34、les out in one breath.重点讲解1 Did Kangkang enjoy himself?康康玩得开心吗？ Enjoy是及物动词，后接名词，代词或是动名词，意为“喜爱，欣赏，享受的乐趣。” enjoy oneself = have a good/great time玩得愉快 enjoy doning sth. 喜欢做某事巧辩异同 like, love与enjoy(1)like喜欢（程度较弱）like doing/to do (2) love热爱（程度较强）love doing/to do(3)enjoy喜爱，欣赏，享受的乐趣enjoy doing2 Its your tur
35、n.该你了。 turn 是名词，意思是“轮流”，Its ones turn to do sth.轮到某人做某事。还可以做连系动词，意为“变成”，后接形容词做表语。3 反身代词oneself变化如下：第一二人称用形容词性物主代词+self(selves)Imyself youyourself(yourselves) 第三人称用人称代词宾格+self(selves) hehimself theythemselves4 What happened to Michael at the party?聚会上迈克发生什么事情了？ happen to sb. 某人发生某事，to是介词 happen to do
36、碰巧干某事，to是不定式符号语法讲解 一般过去式三、动词的一般过去时态I. 一般过去时的概念一般过去时表示过去某个时间发生的动作或存在的状态。常和表示过去的时间状语连用。如：last year, yesterday等； 也可表示过去经常反复发生的动作，常和often, always等频率副词连用。例如：I saw him in the street yesterday. 昨天我在街上看见他了。Li Mei always went to school on foot last year. 去年李梅总是步行上学。II. 一般过去时的构成我们主要来学习谓语动词为实义动词的一般过去时的构成。动词过去式
37、的构成：(1)规则动词过去式的构成有四条规则：一般在动词原形末尾直接加上-ed。如：look-looked。以不发音的字母e结尾的动词，去e再加-ed。如：live-lived。末尾只有一个辅音字母的重读闭音节，先双写这个辅音字母，再加-ed。如：stop-stopped。末尾是辅音字母+y结尾的动词，先变y为i，然后再加-ed。如：study-studied。(2)不规则动词的过去式需特殊记忆。如：am(is)-was, are-were, go-went, come-came, take-took, have (has)-had等。III. 一般过去时的几种句型肯定句结构为：主语+动词的过
38、去式+其它。如：He went to the toy store yesterday. 他昨天去玩具店了。 否定句结构为：主语+did not (didnt)+动词原形+其它。如：He didnt go to the toy store yesterday. 他昨天没去玩具店。一般疑问句的构成：Did+主语动词原形其它？如：1) -Did you go to Beijing last week? -Yes, we did. (No, we didnt.)2) -Did you meet the businessman before? -No, I didnt. (Yes, I did.)特殊疑
39、问句的构成：疑问词did+主语动词原形其它？如：1) -What did you do last night? -I did my homework.2) -Where did you go last week? -I went to Shanghai with my parents.一般过去时口诀：一般过去时并不难，表示过去动作、状态记心间。动词要用过去式，时间状语句末站。否定句很简单，didnt 站在动词原形前，其它部分不要变。一般疑问句也好变，did放在句子前，主语、动词原形、其它部分依次站。特殊疑问句也简单，疑问词加一般疑问句记心间。最后一条请注意，动词过去式要牢记。Unit5Unit
40、7中出现的冠词用法1.弹乐器前要带定冠词the,而进行球类运动，刚不带the。play the guitar/piano play soccer/basketball2.序数词，前面要用定冠词the。on the second floor3.三餐前面不用冠词。have breakfast/lunch/supper介词的用法1. 在几点常用介词at, 在星期几常用on。在早上、下午、晚上常用in. 在具体某是前，用介词on；在月份或年份前用介词in，在具体到某一天的早上/下午/晚上，也用onat seven oclock; on Sunday; in the morning.2.在哪一层楼用介词
41、on.Unit 8 The Seasons and the WeatherTopic 1 How is the weather in fall ？1. 季节词汇：四季名词springsummerAutumn / fallwinter四季特征warmhotcoolcold四季色彩greenbrightyellowwhite四季活动hikeswimclimb mountainsmake snowmen2. 天气词汇：天气名词rainwindcloudsnowsunfog对应形容词rainywindycloudysnowysunnyFoggy重点词组 1. take a walk 2.had bet
42、ter 3.go out 4.later on e back to life 6. be busy doing 7.in spring 8.go swimming 9.make a snowman 10. summer holiday 11. plan to do 12.go for a walk 13. be different from 14.last from.to. 15.last for 16.get warm 17.weather report 18.learn to do sth 19.all day 重点句型1. What is the weather like ?2. How
43、 is the weather?3. Which season do you like best, spring, summer , fall or winter?4. What is the temperature?要点讲解询问天气的句型：1. What is the weather like?=How is the weather?询问对某事的看法的句型1. What do you think of?=How do you like?询问温度是多少的句子.What is the temperature?Remember的用法1. remember to do sth. 忘记要做某事（事还未做）2. remember doing sth. 忘记做过某事（事已做过）区别put on与 wear Put on 强调穿的动作 wear强调穿的状态修饰雨雪的词汇多用heavily 修饰风多用str
