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1、九年级英语 Unit5知识要点1情态动词 must, may , might, could, can表示推测含义与用法后面都接动词原形，都可以表示对现在情况的揣测和推断但他们含义有所不同must 一定 肯定（100%的可能性）may, might, could有可能，也许 （20% 80%的可能性）cant不可能，不会（可能性几乎为零）16. any thi ng stra nge 些奇怪的东西当形容词修饰 something, anything, nothing, everything 等不定代词 时，放在这些词的后面17. there be sb./ sth. doing 女口：There
2、 is a cat eating fish.There must be someth ing visiting our home.18. escape from 从哪里逃跑岀来女口： He escaped from the burningbuildi ng.19. an ocean of +名词 极多的，用不尽的女口： an ocean of energy.The dietionary must be mine. It has my name on it.The CD might/could/may belong to Tony because he likes listening to po
3、p music.The hair band can tbe Bob . After all, he is boy!2. whose谁的 疑问词作定语 后面接名词，如：Whose book is this? This is Lily .3. belong to 属于 女口： That En glish book belongs to me.4. 当 play 指弹奏乐器时，常在乐器前用定冠词女口： play the guitar play the pianoplay the violin当play指进行球类运动时，则不用定冠词女口： play football play basketballpl
4、ay baseball5. if引导的条件状语从句，主句用一般将来时，从句用一般现在时代替将来时如：If you don thurry up, you l be late.如果你不快点，你将会迟到6. if you have any idea= if you know女口果你知道7. on 关于（学术，科目） a book on grammar 一本语法方面的书8. try to do sth.尝试做某事女口： I try to climb the tree. 我尝试爬树。9. | because of +名词/代词/名词性短语如：I do it because I like it.我做这件事
5、是因为我喜欢because+ 从句 女口： I had to move because of my job. 因为工作的原因我得搬家。10. own v. owner n. listen v. listener n. learn v. learner n.11. catch a bus赶公共汽车12. neighbor邻居 指人； neighborhood邻居，指地区也可指附近地区的人13. local当地的女口： local teacher当地的教师14. noise n.噪音 是个可数名词 noises15. call the police 报警 女口： Quick! Call the p
6、olice! 快！叫警察！20. unhappy不高兴的 反义词 happy高兴的21. final adj.最后的 finally adv.最后地22. dishonest不诚实的23. get on 上车24. use up 用光、用完 完了所有的钱。25. attempt to do 试图 子们试图想去北京。反义词honest诚实的。get off下车如：They have used up all the money.他们已经用女口： The boys attempted to leave for Beijing. 男孩26. wake动词 唤醒 常用的词组：wake up 意为醒来女口
7、： Pleasewake me up at 8 oclock.27. look for寻找 指过程；find找 指结果女口：I am looking for a pe n.我正在找一支笔。（指找的过程）I found my pen just now.我刚刚找到了我的笔。（指找的结果）28. hear听 指听的结果；listen听指听的过程女口：Did you hear ?你听到了吗？（指听的结果，听或没听到）I ofte n listen to the music.我经常听音乐。（指听的过程）29. try one C best to do sth.尽某人的最大努力去做某事女口:He trie
8、d his best to run.他尽他的最大努力去跑。30、drop : （1） vt.（及物动词）意思是（有意或无意）让掉下来、投下; 放弃、不再干。例: She dropped the teapot.He dropped it into the mail-box.I want to drop math.（2） vi.（不及物动词）意思是掉下、落下；下降、降低（可与fall互换），37、however 与 but :(1) 从语义上看,(2) 从语法上看,(3) 从语序上看, 句中、句尾。(4) 从标点上看,but所表示的是很明显的对比、转折。but是并列连词，however是个副词。b
9、ut总位于所引导的句首，however可放在句首、but之后没有逗号，however之前、之后短语用逗号隔开。38、happen指偶然的发生;take place 用于计划好的事情或自然的发生；break out (指战争、灾难、疾病等)爆发。39. pretend to do sth.假装做某事I pretended to sleep just now. 我刚才假装在睡觉.pretend + 从句 假装 I pretended that I fell asleep.我假装睡着了 .Pretend to be doing sh.假装正在做 I pretended to be sleeping
10、at the mome nt.那会儿我假装在睡觉.图书馆里见到他。It seven oclock now.Michael may not come here. 现在已七点了。迈克尔可能不会来这儿了。3t much too small for him.(P35)(他穿)太小了。句中much too意为太”、非常”，用作副词词组，修饰形容词small。too much也可在句中作状语，但只能修饰动词。试比较：It much too cold today.今天天气太冷。The old man walked much too slow.这位老人走得太慢了。Don speak too much at t
11、he meeting.会上另U讲得太多。too much也可用作名词词组，在句中作宾语；too much还可在句中用作形容词词组，修饰不可数名词。much too则不可。例如：You gave me too much.你给我的太多了。Is eati ng too much good or bad for your health?吃得太多对身体有益还是有害？4t crucial that I study for it because it counts 30 % to the final exam.(P36)这对我学习(这门学科)很重要，因为它要占期末考试的 30%。例： The man dro
12、pped from the top of the building.The temperature has sudde nly dropped.Prices dropped.(3)n.(可数)滴、点滴， a few drops of rain几滴雨31、garbage、rubbish、junk 禾口 waste :(1) garbage废料、垃圾；(厨房倒弃的)剩饭、剩菜。(2) rubbish=trash垃圾，普通用语，指各种垃圾，英国人常用rubbish,美国人常用 trash.(3) junk破烂物，指废铁、破布等，现在用来指使人发胖的食物。(4) waste废物，指工厂排出的废水、废气
13、或家庭垃圾等。32、 any用在否定句、疑问句、条件句中。 some用在陈述肯定句中。33、 have no idea 不知道have some/any idea知道。34、 at 可表示再某场合”如：at the meet in g/party35、hope to do sth ； hope that 从句。 wish to do sth ； wish sb to do sth ； wish that从句。36、 because引导原因状语从句because of跟名词或一个短语。三.重点句子讲解：1.It might belong to Alice.She plays the guitar
14、.(P35) 它可能是爱丽丝的。她是弹吉 它的。belong是不及物动词，后面通常跟介词to。belong to的主语通常是物；介词to后面跟人。例如：These books bel ong to me.这些书是我的。Who(m) does this belong to? 这是谁的东西？Whose car does it belong to?这是谁的车？2can find my backpack.(P35)我找不到背包了。It can be Joh ns.(P35)它不可能是约翰的。can tfi nd中的can表示能力，而 can be中的can表示推测。例如：The hall can ho
15、ld at least 2 , 000 people.这个大厅至少能坐下2, 000 人。It can be Li Mi ng.He went on a trip yesterday.不可能是李明。昨天他去旅行了。cant与may not表示推测时意义有别。cant意为不可能”，而may not意为可能不”。试比较：Danny can be at home .I saw him in the library just now.丹尼不可能在家。 我刚才还在There a man wait ing for you outside the office. 办公室外有人在等你。There a girl
16、 looki ng for her mother.有一个女孩正在找她的母亲。There re some children to see you.有几个孩子要见你。7.Don let yesterday use up too much of today.(P39) 过去的就让它 过去了 ！本句为否定祈使句。yesterday作动词let的宾语，use up too much oftoday 是作宾语补足语。在watch , see, look at, hear, listen to , notice ,feel, have(使),let, make等动词后面作宾语补足语用的动词不定式往往 省去t
17、o。例如：Make the past serve the present and foreign things serve China. 古为今 用，洋为中用。They often hear Jenny sing this song.他们经常听詹妮唱这首歌。二、短语：(1)本句是it is +形容词+ that从句/wh-从句”句式，其中it是形式主语，that 从句或wh-从句是句子的真正主语。例如：It is certain that the earth is round.毫无疑问，地球是圆的。It is n ecessary that we master at least a forei
18、g n Ian guage. 我们有必要至少掌握一门夕卜 语。5. He might be running to catch a bus.(P37)他可能正在跑去赶公交车呢。might be running属于情态动词 +行为动词的进行式”结构，用来推测某动作现 在正在进行之中。例如：He said that his father might be playing chess.他说他父亲可能正在下国际象棋。He must be sleep ing at home now.他现在一定正在屋里睡觉呢。He should be studyi ng in the classroom at this m
19、ome nt. 他这个时候应该是正在教室里 学习。6. There must be something visiting the homes in our neighborhood.(P38) 肯定有什 么东西光顾我们的街坊邻里了。本句为there be.+ doing.”句式，表示 V-ing的动作目前或现阶段正在进行。从语法上讲，此句式中的V-ing也可以用动词不定式替代，即there be +主语+ to do”,表示动词不定式表示的动作将要发生。试比较：1. bel ong to sb. = be sb.属于s2. because of n ./pr on.因为3. try ( not
20、 ) to do sth. 尽力(不)做某事4. attempt to do = try to do sth.试图做，尽力做5. sth happen to_sb某人发生了某事6. sb. happen to do sth = do sth. by accident 某人碰巧作某事7. prete ndto do sth=prete nd that 假装做;8. pretend( not ) to do sth假装(不)做；9. pretendto be doing sth假装正在做10. be careful of sb. / sth. 留神、当心 11. be careful ( not
21、) to do小心(不)做12. have some / any idea = know 知道13. have no idea = don t kno不知道16. get off下(公共汽车，飞机等)17. get into / out of ( it ) 上/下(小汽车，出租车)18. smell good / bad闻起来香/不好19. make me laugh / happy 使我发笑 /高兴20. the final exam期末考试21. wear a suit穿西装22. these days最近，近来，近几天(用于现在进行时，现在完成时)14. sb. use up sth. = sb. run out of sth. = sth. run out 用光、用完15. get on上(公共汽车，飞机等)23. in the sky24. make up25. escape from26. hair band27. in our neighborhood28. in one s dream29. It s crucial that在空中形成，构成，组成 逃离，从逃出 发带在我们附近、在我们小区在某人梦中关键的是