必修三unit1语法
(完整版)高中英语语法(人教版)
(完整版)高中英语语法(人教版)
高中英语语法（人教版)
必修一：(unit 1-unit 5)
1.动词,be+v—ing 表将来
2.直接引语和间接引语（陈述句，祈使句，疑问句）
3.定语从句：关系代词，关系副词
必修二：（unit 1—unit 5）
1.定语从句：关系代词,关系副词；限制性和非限制性
2.被动语态（各时态中的用法）
必修三：(unit 1—unit 5)
1.情态动词
2.名词性从句：宾从，表从,主从,同位从
必修四：（unit 1—unit 5)
1.主谓一致(细分）
2.v-ing
3.构词法(合成,转化，派生）
必修五:（unit 1-unit 5）
1.动词（过去分词)
2.倒装(语法结构需要；强调）
3.省略（省一个或几个句子成分）
选修六：（unit 1—unit 5）
1.虚拟语气（语气分为陈述，祈使句，虚拟语气）
2.“it”的用法（代词，引导词）
选修七（unit 1—unit 5）
1.动词不定式，v—ing 的被动
2.定从（不用which 作关系代词的几种情况）
选修八（unit 1-unit 5）
1.动词的时态； 2。
同位语
课程安排：
一．复合句：定从(1。
2。
7），名从(3）［补充：简单句，状从]
二．语态（2)时态（8)
三．动词(非谓语）（1.4。
5，7），情态动词 (3)
四．直接引语和间接引语（1）
五．主谓一致（4)
六．构词法(4）
七．倒装(5)
八．省略（5）
九．虚拟语气(6)
十．“it”的用法（6) 十一. 同位语（8）。
牛津译林新教材 必修第三册 Unit1词汇讲解(全)精选全文完整版
可编辑修改精选全文完整版牛津译林必修三Unit1 词汇全解1.harm 伤害，损害n. do harm to =be harmful toharmful effects害处短语搭配：cause ~引起伤害There is no harm in (sb’s) doing sth./It does no harm (for sb) to do sth.做某事没什么坏处。
He looks fierce, but he means no harm.他看上去很凶，但并无恶意。
The treatment they gave him did him more harm than good.他们的治疗弊大于利。
V. harm 伤害，损害2.overseas在海外，在国外=abroadThe product is sold both at home and overseas.外国的，海外的~ trade/visitors3.region地区，区域---regional区域的，地区的~ variations 地区差异4.length长度The room is twice the length of the kitchen.房间长度是厨房的两倍。
The river is 300 miles in length.这条河长300英里。
the length of time时间长短重点短语：at length/ at ...(length)length 长时间，详尽地We have discussed the matter at great length.go to any/some/great lengths (to do)竭尽全力，不遗余力5.biodiversity 生物多样性diversity 多样性diverse 多样的diversify 使...多样化6.variety不同种类a ~ of =varieties of 各种各样的He resigned for a variety of reasons.多样化We all need variety in our diet.我们都需要饮食多样化。
高一英语必修三第一单元重要知识点讲解(重要词汇-语法等)
Unit 1重要单词，词组讲解1. mean的用法What do you mean to do with it? I didn’t mean to hurt you.1）mean to do意欲做This means staying here longer.Missing the train means waiting for another hour.2）mean doing意味着做He is not meant for a teacher and will always be unhappy in the school.Be meant for 适合做他说他不适合读书因为懒。
He says he _________________ a student for his laziness.这次考试失败意味着要再考一次。
Failing this exam ___________________ another one.我并不是有意迟到的。
I didn’t ____________ be late for school.2. celebrate vt.(1) 庆祝；庆贺celebrate Christmas / one’s birthday / a victory (胜利)(2) 赞扬；称颂The names of many heroes are celebrated by the poets.词语辨析：celebrate, congratulatecelebrate后常接日期,事情或场合congratulate后常接人表示为某事而庆贺某人congratulate sb. on/upon sth.ex：congratulate you on your marriage.有时还表示私自庆幸的意思。
ex：I congratulated myself on my escape from being punished.3. 英语中表示“发生”的词或短语均为不及物，不用于被动语态。
必修三英语unit1情态动词的用法
更客气的 请求
过去的意志, 过去的
意愿
倾向或
习惯
过去某特定 情况会发生 的事情
shall:
1.Shall用于第一、第三人称疑问 句中，表示说话人征求对方的意 见、向对方请示或提供帮助 。
1.Shall we begin our lesson? 2.When shall he be allowed to leave hospital? 3.Shall I carry this bag for you?
can, may, will. 3 can 用于肯定句中, 可表示”有时可能”
情态动词 含义 否定式
注意点
表能力 can’t/couldn’t 区别 be “能，会”“不会，不能” able to
can / could
表许可 can’t /couldn’t
“可以” “不可以，不许”
表推测 can’t /couldn’t 主要用于
very get
out
2. 表“许可”，译为“可以”， could比can语气较委婉。用can 或cannot / can’t 回答
--Can /Could I borrow your bike
for a moment? --Yes, you can. / No, you can’t.
3. 表“可能性”，译为“可能”； Can this news be true? Where can they be? 否定句中，翻译为“不可能” She can’t have left school, for
A. wouldn't B. needn't C. mustn't D. daren't
3. - May I smoke here ? - If you __, choose a seat in the smoking
高中英语人教版必修三unit1单词，短语，重点句型梳理
Unit 1单词、短语、重点句型梳理重点单词arrival【课文原句】In the USA, Columbus Day is in memory of the arrival of Christopher Columbus in the New World. (Page 2)【点拨】arrival n. 意为"到来；到达"。
如:Mary’s sudden arrival brought us a big surprise.【拓展】★arrival所构成的常用搭配有:on /upon arrival一到达就……；thearrival of……的到来；early / late /new arrival早到/晚到/新来的人。
如:Guests will receive dinner on / upon arrival at the hotel.The arrival of winter can make many people upset.New arrivals were greeted with a warm welcome.★名词arrival是由动词arrive加后缀"-al"构成的。
"-al"在此作名词后缀。
像这样构成的名词还有:refusal (= refuse +后缀"-al") 拒绝；survival (= survive +后缀"-al") 幸存。
【小试牛刀】根据中文提示,用arrival所构成搭配的适当形式完成下列句子。
1. 来晚的人不允许进入剧院。
____________ will not be admitted to the theatre.2. 在这张表格上,你可以标明你希望在你到达的时候有助教去接你。
On the form you may mark that you want a tutor to pick you up __________.3. 自从手机问世以来,电话号码的需求量正在迅速增长。
高一英语必修三Unit1语法教案
GrammarTeaching Goals: 1. To check what has been learned yesterday.2. To enable Ss to master some new words and expressions.3. To get Ss to have knowledge of the grammar point: the model verb Teaching Procedures:Step 1. Revision1. Ask Some Ss to retell the reading text.2. Ask Ss to answer the following question to see whether they did their homework or not.How many festivals are mentioned in our text?Step 2. Word studyPurpose: To consolidate the words and phrases in the text.Finish Ex1Purpose: To enable Ss to master some new words and expressions.Ex2 Many people think that Christmas is a western __________, but in fact it is really a worldwide holiday. Christmas actually as a _______ festival celebrated by _________ around the world. Its ______ is around the 3rd or 4th century AD, when the _______ of remembering Jesus’ birth on December 25th first started. Today, of course, many people celebrate Christmas __________ it were just a holiday to ______________ family, rather than a holiday about a _______.Suggested Answers:celebration, religious, Christians, origin, custom, as though, have a fun with, beliefStep 3. Grammar point1. Explain for Ss the grammar point: the modal verb(1) can/could 可以表示能力、许诺、请求或某种可能性，could还可用于：①提出委婉的请求，（注意在回答中不可用could）。
高一必修三英语unit1课文知识点
高一必修三英语unit1课文知识点《高一必修三英语unit1课文知识点》本文为高一必修三英语unit1课文的知识点总结。
下面将根据课文内容，按照主题分类，以简洁明了的语言为您介绍课文中的重点知识点。
一、课文概述本单元的课文主题为“Teenage Life”，讲述了青少年的生活状态和他们所面对的种种挑战。
通过描述主人公Ruth、Simon和Tony的故事，课文涵盖了青少年问题、友谊、学业压力和梦想等方面的内容。
二、词汇与短语1. teenager：青少年2. challenge：挑战3. identity：身份4. overcome：克服5. support：支持6. pressure：压力7. communication：交流8. desire：渴望9. ambition：雄心；抱负10. future prospects：未来前景11. put effort into：努力去做某事12. dream of：梦想13. have confidence in：对...有信心14. face difficulties：面对困难15. be under pressure：承受压力16. build up relationships：建立关系17. achieve success：取得成功三、语法要点1. 一般现在时：用于描述事实、经常性行为或客观真理。
例如：Teenagers face many challenges in their lives.2. 一般过去时：用于描述完成的动作或过去发生的事情。
例如：Ruth wanted to be a doctor when she was young.3. 情态动词can：表达能力或可能性。
例如：Simon can speak three languages fluently.4. 情态动词should：表示应该或建议。
例如：You should have confidence in yourself.5. not...until...：表示直到某个时间或情况才发生或完成。
高中英语必修三Unit1
高中英语必修三Unit1一、词汇过关1. starve【考纲释义】vt.& vi. 使饿死;饿得要死The proud man said he would starve rather than beg for food. 那个骄傲的人说他宁愿挨饿也不愿讨饭。
They starved the enemy into surrendering. 他们使敌人饿得投降了。
The homeless children were starved of love. 这些无家可归的孩子渴望得到爱。
【知识拓展】starve 表“感觉很饿”时,可用于进行时态。
starve for sth.(= long for sth) 渴望获得某事物starve to death 饿死2. gain【考纲释义】vt. 获得;得到He has gained rich experience in these years. 这些年来,他取得了丰富的经验。
The best way to learn is to put what we gain from books into practice. 最好的学习方法就是把我们从书本中获得的知识投入到实践中去。
【知识拓展】gain 还可表示“赚得;挣得”,尤指因某种服务、劳动或工作而获得的。
如:No pains no gains. 不劳无获。
3. gather【考纲释义】vt., vi. & n. 集合;聚集;搜集A crowd gathered to see what had happened. 一群人聚拢起来看发生了什么事。
It was autumn, the time for Crusoe to gather his small harvest of corn. 秋天到了,是克鲁索收割他那一小块玉米的时候了。
For many Americans, Thanksgiving is the only time when all members of a family gather. The holiday is a time of family reunion. 对许多美国人来说,感恩节这一天是所有家庭成员欢聚一堂的难得时光。
人教版选择性必修 第三册Unit 1 Art单元语法及写重难点词句语法基础 提升练(含答案)
选择性必修三Unit 1 Art 单元语法及写作一、单元语法：不定式作表语【探索发现】1.Perhaps the best way to understand Western art is to look at the development of Western paintingover the centuries.2.During the Middle Ages, the purpose of Western art was to teach people about Christianity.3.In this work, Monet’s aim was to convey the light and movement in the scene.4.What they attempted to do was no longer (to) show reality, but instead to ask the question,“What is art?”【自我归纳】1.不定式结构在句中作________________(成份);2.句4中(to) show不定式to可省略的原因是_______________________.【用法归纳】一、不定式作表语1.表目的During the Middle Ages, the purpose of Western art was to teach people about Christianity. 2.表事态发展的结果、预期的结果、不幸的命运或预言。
You must speak out, if you are to remain friends.3.用于第一人称的问句，表示征求意见。
What am I to say if they ask me the question?4.表示“同意、安排、决定、劝告、意愿、禁止”等。
They are to marry next week.二、不定式和现在分词作表语的区别。
Unit1 动词不定式作表语【2019人教版高中英语选择性必修三Unit1 Art 语法知识】
Unit1 动词不定式作表语【2019人教版高中英语选择性必修三】Unit1 Art动词不定式作表语动词不定式(to+动词原形)是非谓语动词的一种形式,在句中不能单独作谓语。
不定式不受主语人称和谓语动词时态变化的影响。
不定式在句中可以作主语、宾语、表语、定语、状语、宾语补足语等。
1.动词不定式的形式变化2.动词不定式的否定式: not to do·She persuaded me not to go to the dangerous area.她说服了我不去那个危险的地方。
·He pretended not to have seen me when I passed by.我经过的时候他假装没看见我。
3.动词不定式作表语动词不定式作表语,通常用来表示目的或说明主语的具体内容或者性质,常见的用来作主语的名词有aim,duty，dream, hope , idea, plan, ambition , purpose, goal,work ,job 等。
·Our aim is to catch up with the world's advanced level at the end of the21st century.我们的目标是在21世纪末达到世界先进水平。
His ambition is to become an actor.他的理想是成为一名演员。
·A college counsellor's job is to help students adjust to college life. 大学辅导员的工作是帮助学生们适应大学生活。
知识拓展：动词不定式作表语的其他用法①表示根据安排将要发生的事。
·We are to meet at the station at four this afternoon.我们计划今天下午四点在车站见面。
05必修三Unit1语法语法ing分词作定语和表语
05 必修三Unit 1 语法：语法精讲精练动词ing形式作定语和表语一、动词ing形式作定语1. 表示名词的某种性能或用途，通常可以改为for短语。
如：the reading room = the room for reading阅览室。
再比如：reading materials阅读材料；a shopping bag购物袋；an operating table手术台；a washing machine 洗衣机等。
We are not allowed to speak aloud in the reading room.阅览室里不准我们大声说话。
If you really want to smoke, you may go to the smoking room.如果你确实想吸烟，可以去吸烟室。
2. 现在分词做定语时，它和所修饰的词是逻辑上的主动关系，表示所修饰的名词的动作或状态，可以转换成对应的定语从句。
如the sleeping child = the child who is sleeping。
当动词ing形式单独作定语时，放在所修饰的名词之前；如果作定语的动词ing形式是一个短语，则放在该名词之后。
动词ing形式一般式的被动语态（being done）作定语表示某动作正在被进行；动词ing形式完成式（having done）作定语表示该动作发生在谓语动词所表示的动作之前。
In the following years, she worked even harder.在接下来的几年中，她学习更努力了。
Make less noise. There’s a sleeping child.少弄出点噪音，有个孩子在睡觉。
The manager, having made it clear to us that he didn’t agree with us, left the meeting room.经理向我们表明他不同意我们的意见后，离开了会议室。
牛津高中英语必修三unit 1语法讲解：名词性从句
高中英语语法讲解：名词性从句一、概念名词性从句在句子中起名词作用，它在整个句子中能担任主语、宾语、表语或同位语。
根据它在句中充当的不同成分，名词性从句可分别称为主语从句、宾语从句、表语从句或同位语从句。
没有主语从句、宾语从句/表语从句，整个句子就缺少了主语/宾语/表语，句子结构不完整；没有同位语从句，句子结构完整，但句意不完整。
注：区别于定语从句（形容词性从句）：限制性定语从句相当于一个形容词，修饰主句中的某个名词，做它的定语；非限制性定语从句，几乎完全独立于主句，没有定从，虽然句意不一定完整，但句子结构仍然完整。
I know the girl who is reading over there.He came home safe and sound, which was a great relief to his family.二、4类连接词&注意点1．that （1）连接主句与从句（2）无意义（3）不做从句中的成分（4）能否省略2．if/whether （1）连接（2）表“是否”（3）不做成分（4）whether与if区别3．疑问代词what, who, whom, which &whatever, whoever, whomever, whichever（1）连接（2）表不同含义（3）做从句中的重要成分4．疑问副词when, where, why, how（1）连接（2）表不同含义（3）做从句中的状语三、四种名词性从句1．主语从句（1）普通主语从句That he is still alive is sheer luck.注：that位于句首引导主从，一定不省。
Whether the plan is practicable remains to be seen.What we need are many instructive books.What we need is more time and money. 注：主从做主语，主句谓语动词一般用单数，但what引导的主从，根据后面表语的意义一致原则。
必修三unit1短语归纳
必修三 unit1重点短语1、sth take place/break out/happen/occur 发生How did it come about that … 发生take the place of sb/sth＝take sb′s/sth′s place 代替某人/物in place of sb./sth. 代替某人/物in place在适当的位置；恰当的out of place在不适当的地方；不适合的2、in celebration of为了…庆祝3、starve to death/be starved to death 饿死starve for sth急需要；渴望…starve to do sth渴望做…be starved of 缺乏；没有4、in memory of为…纪念；追念in honour of为了表示敬意；为了纪念；为了庆祝in favour of支持in terms of 就…来说；鉴于in view of 鉴于in the face of在……面前in the form of..以……的形式5、a feast for the eyes 大饱眼福feast sb with sth用…款待/宴请某人feast one′s eyes (on sb/sth)欣赏某人、物之美6 have belief/faith in 相信；信任believe sb./sb’ words 相信某人的话believe in sb相信某人7、dress up for为…盛装dress up as盛装/打扮成为…dress up in穿…打扮dress sb./oneself 给某人或自己穿衣服sb. be dressed in 某人穿着…的衣服8、a trick to (doing) sth 做…的诀窍、窍门play tricks /a trick on sb捉弄某人trick sb into/out of (doing) sth诱骗某人做…；从某人那骗取…9、gain/put on weight体重增加/长胖gain by/from (doing) sth从某事中获益11、gather round (sb/sth)聚集；集合；召集gather sth (together/ up)收集；收拢（分散的东西）12 win an award for…获得…奖award sb sth/sth to sb授予某人某物、给某人颁发reward sb with … for sth因酬谢某人13 admire sb for sth 因钦佩/赞赏某人14 look forward to (doing) sth盼望着做…look up 查询look around 四周看look into 调查;看向…的内部look through 浏览look up to 尊敬；敬佩look down on/upon 轻视；瞧不起15 day and night 日夜；昼夜；整天16、as though/if好像17、have fun (with)玩的开心＝have a good timefor fun/in fun为了好玩make fun of嘲弄；取笑what fun it is to do sth做…多么有趣18、make a fool of oneself/sb使自己/某人出丑19、ask sb for permission 请求某人的许可without permission未经许可permit/allow sb to do sth允许某人做permit/allow doing允许做20、turn up 调高；出现turn down 调低；拒绝turn on 打开turn off 关掉turn away回绝；打发…走turn in 上交；欺骗turn out 结果是；原来是turn over 打翻；翻身turn around 转身；使…好转turn one′s back to 不理睬；背对…21、keep one′s word/promise 守信用；履行诺言break one′s word/promise 不守信用have words with sb. 和某人争吵in a word 总之in other words 换句话说22、hold one′s breath 屏住呼吸（be）out of breath 呼吸急促;上气不接下气lose one′s breath 喘不过气来be short of breath＝have difficulty in breathing 呼吸困难take a deep breath 深呼吸23、apologize to sb for (doing) sth因…向某人道歉apologize to sb that… 因…向某人道歉make an apology to sb. for (doing) sth因…向某人道歉accept/refuse an/ one′s apology接受/拒绝某人的道歉24、drown (out) the noise of the traffic淹没/压过车辆的嘈杂声drown one’s sorrows/fears 借酒消愁壮胆25、wipe out消除；去除；擦洗…的内部wipe sth away/off/up擦净/擦掉某物26、set off出发；动身；引起；使爆炸set aside抽出；留出；搁置一旁set down写下；记下set foot in/on进入；踏上set up创立；建立set out (to do)开始着手做；出发；动身；set about doing开始着手做27、remind sb of提醒/使某人想起某物remind sb to do提醒某人做remind sb that提醒/使某人想起…inform/rob/warn/accuse/suspect/convincesb.of告知/抢劫/提醒/控告/怀疑/使信服某人某事28、forgive sb for （doing）sth原谅某人某行为29、decorate sth with/sth be decorated with用…装饰别人30、be meant/intended to do打算/注定做某事31、do harm to ＝be harmful to重点句型1、On this important feast day, people eat food inthe shape of skulls and cakes with bones on them.在这个重要的节日里，人们吃骷髅形状的食物和上面有着骨头的蛋糕。
必修三 unit1 知识点梳理
1. starve vt.&vi. (使)饿死；饥饿；渴望，急需；饿得要死She's starving herself trying to lose weight.她为了减肥而忍饥挨饿。
常用结构：starve for渴望得到……starve to death 饿死be starved of极需，缺乏starve sb. into sth./ doing sth.使某人挨饿以迫使其做某事The plants are starving for water.这些植物极需要水。
2. belief n. [C/U] 信任；信仰，信心；(pl. beliefs)believe vi.&vt. 相信常用结构：have belief in sth./sb. 对某物/某人的真实性和正确性所具有的信心beyond belief 难以置信in the belief that ... 相信…have belief in相信, 信任to the best of my belief在我看来; 我深信; 就我所知have belief in the masses相信群众a person worthy of belief可以信得过的人There is nothing more natural than a child's belief in his parents.没有任何事情比孩子对他父母的信赖更为自然。
1.belief faith trust confidence都含有“相信”的意思。
belief 指“承认某事是真的, 尽管有或没有确凿的证据”, 如:belief in ghosts.相信有鬼2. faith 指“认为有确凿证据或道理而完全相信”, 如:I have faith in his ability to succeed.我相信他有成功的能力。
3. trust 指“信赖”、“信任”, 含有“坚定的信念”的意思, 如:enjoy the trust of the people得到人民的信任。
高一英语必修三unit1知识点总结
高一英语必修三unit1知识点总结高一英语必修三Unit 1 知识点总结Unit 1《Tales of the unexplained》是高一英语必修三的第一单元，该单元主要介绍了一些神秘事件和未解之谜的故事。
以下是该单元的知识点总结。
一、词汇1. supernatural adj. 超自然的，神奇的2. mysterious adj. 神秘的，不可思议的3. phenomenon n. 现象4. metaphor n. 隐喻5. atmosphere n. 氛围，大气层6. witness n. 目击者，证人7. legend n. 传说8. pirate n. 海盗9. emperor n. 皇帝10. ancestor n. 祖先二、重点短语1. be concerned with 关注于2. make use of 利用3. come up with 提出，想出4. set off 出发，开始5. along with 与...一起6. be traced back to 追溯到7. be linked to 与...有关8. be drawn to 被吸引9. be terrified of 害怕10. be fascinated by 着迷于三、重点语法定语从句：用来修饰名词的从句，通常由关系代词（that, which, who, whom, whose）或关系副词（where, when）引导。
例句：1. The man who is sitting next to me is my brother.（关系代词）2. The book, which was written by Mark Twain, is a classic.（非限制性定语从句）3. The museum where the painting is displayed is worth visiting.（关系副词）强调句：通过强调句型可以突出某一成分，其中强调的部分通常使用it is/was...that...结构。
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3. should常表示劝告、建议、命令， 与ought to意义相近，但ought to多表 示责任、义务，语气强烈。在疑问句中 通常用should代替ought to。
3.对过去发生的事情的可能性作出判断 用may/might have done,用might比 用may的可能性更小
She may/might have gone to the cinema. They may/might not have received our telephone. 4.may 放在句首祈使句，表示祝愿。
He was able to flee（逃离） Europe
before the war broke out.
He was able to swim halfway
before he got tired.
may和might
1. may和might 用于一般问句中表示委婉的 请求,肯定回答用may,否定用mustn’t
10.Johnny, you __B____play with the knife, you ____hurt
yourself. ( )
A. won't ; can't
B. mustn't ; may
C. shouldn't ; must D. can't ; wouldn't
11.There is no light in the dormitory. They must have gone
7.--Excuse me, but I want to use your computer to type a report. --You _A___ have my computer if you don’t take care of it. A. shan’t B. might not C. needn’t D. shouldn’t
8. ---When can I come for the photos ? I need them tomorrow afternoon.
---They _B____be ready by 12 : 00 . A. can B. should C. might D. need
9. With so much work on hand, you _D___to see the game last night. A. mustn’t go B. could have gone C. shouldn’t go D. shouldn’t have gone
Young people should learn how to use computers. Every citizen ought to obey law. You ought not to go.
4.should/ought to have done表示责备或 批评,意为“本应该做到…但没有做到…”,用 于否定则表示“本不该…但”ought to的语 气更强烈.
3.must表示对某人某事的猜测， 用must have done
You must be the new teacher.
He must be joking. There is nobody here. They must have all gone home.
Will 和 would
1.will和would表示意愿、意志，可用于 各种人称
Can you give me a hand? 3.表客观可能性
Man cannot live without air.
4.表怀疑、不肯定 can not have done sth. 不可能做了… Eg. He cannot have been to the town.
Can he have got the book? 5.can have done 本来可以做而没做......
A. had to B. would C. could D. was able to
4. Peter _C__ come with us tonight, but he isn’t very sure.
A.must B. can C. may D. will 5. --- Could I call you by your first name? --- Yes, you__C__.
shall ,should 和ought to
1.shall用于第二、三人称表示允诺、警告、 命令、决心等。
You shall do as I say. (命令)
Tell him that he shall have the book tomorrow.
(允诺) Nothing shall stop me doing it. (决心)
3） 情态动词的“时态”形式并不是时间区别的主要 标志，不少情况下，情态动词的现在式形式和过去式 形式都可用来表示现在时间、过去时间和将来时间。
can 1.表能力 “能够” can’t “不能够” Eg. She can speak four foreign languages. 2.表许可或请求 Eg. You can’t park your car in the street.
Eg. She couldn’t have done such a thing.
1.can, be able to都可表示“能力” can的主语是人或物,be able to的主语是人
She can/is able to sing the song in English. This machine can make you feel comfortable.
Unit1 Festivals around the world
Grammar
Modal verbs 情态动词 (I)
·情态动词的语法特征
1） 情态动词 不能单独做谓语，除ought 和have 外， 后面只能接不带to 的不定式。
2） 情态动词没有人称，数的变化，但有些情态动 词，如can、will也有一般式和过去式的变化。
No, you needn't. You mustn’t get down while the car is still moving.
2.表示“必须”这个意思时，must 和 have to 稍有区别。must着重说明主观看 法，have to 强调客观需要。
*时态方面
I don’t like this TV set. We must buy a new one. There was no more bus. They had to walk home.
May you succeed! May God bless you!
must 和have to
1.Must用于一般问句中,肯定回答用must 否定式用 needn’t或don’t have to， 做 “不必”,mustn’t表示“禁止，不允许”
— Must I finish all assignments at a time? —Yes, you must.
A. will B. could C. may D. might 6. Sorry, I ’m late. I _A__ have turned off
the alarm clock and gone back to sleep again.
A.might B. should C. can D. will
Eg. He can have come earlier.
Could 1.用于表示泛指过去的能力 Eg. I could read when I was four.
2.表请求（较委婉） Eg. Could you please give me a hand?
3.表示推测 could have done 本来能够做而没做…… 4.couldn’t have done 不可能做了……
to the lecture, _D____? ( )
A. didn’t they
B. don’t they
C. mustn’t they
D. haven’t they
12. I missed the bus, so I D___ go home on foot. A. must B. may C. can D. had to
2.can只用于现在式和过去式(could) be able to可以用于各种时态 We’ll be able to finish the work soon. I haven’t been able to see the film.
3.表示特定的某一过去能力或表示成功 地做了某事时，只能用 was/were able to， 不能用could
---It ____a comfortable journey. ( D)
A. can't be
B. mustn't have been
C. shouldn't be D. couldn't have been
2.The fire spread through the hotel very quickly but everyone ___ get out. ( D )
You should/ought to have told her the truth earlier.
She shouldn’t have left without saying a word.
1.---There were already five people in the car
but they managed to take me as well.