概念英语第一册11144课语法深刻复习.ppt
所学内容,1.形容词与副词都有三个等级,原级,比较级,最高级。 2.So / Neither 倒装句3.复合不定代词 4.过去进行时was/were + doing 5.用when或while引导的时间状语从句 6过去完成时 7定语从句 8情态动词:must,have to,9对现在,将来,过去,正在进行的猜测 对过去肯定的推测:must have been 对过去否定的推测:cant have been 10反义疑问句 11 If 引导的条件状语从句 12 直接引语变成间接引语 13 被动语态,Grammar,形容词与副词都有三个等级,原级,比较级,最高级。 原级比较:as as Bill is as fat as Tom . Bill和Tom一样胖。 He runs as fast as you. 他和你跑得一样快。 在as as 中间使用的形容词和副词一定要用原级.,否定用not as as,So / Neither 倒装句,Ive got some small change. So have I. Neither can I. 注意:1. neither “也不”,本身已有否定意义; 2. 句式倒装,即主谓调换位置 3. 根据前一句的意义和时态选择相应动词, 但在人称上要与本句人称保持一致。 结构:Neither + be/情态动词 / 助动词+主语 Ex. I havent got any changes. 我也没有。 Neither have I. I am not a teacher. 她也不是 Neither is she. I dont like this book. 他也不喜欢。 Neither does he.,1. - I wont do such a thing. Neither / Nor will I. 2. If you wont go, neither shall I. 3. - I havent done my homework. Neither / Nor have I. 4.I didnt read the notice on the bulletin board, nor did he. 由neither或nor引起的,表示前面所说的情况 也适用于另一个人(或物)的句子,复合不定代词总表,Grammar,过去进行时(8A U6),一、过去进行时表示在过去某一时刻或某一段时间内 正在进行或发生的动作。 二、常与表示过去的时间状语连用,如:this morning,the whole morning,all day,yesterday,from nine to ten last evening,at that time等;或者与when, while, as引导的过去时间状语连用。,Grammar,三、 1. 过去进行时的肯定式: 主语+was/were + 动词的现在分词 2. 过去进行时的否定式: 主语+was/were not +动词的现在分词 3. 过去进行时的疑问式: Was/Were + 主语+ 动词的现在分词? 肯定句:We were having supper when the phone rang. 我们正在吃晚饭时电话响了。 否定句: We were not having supper when the phone rang. 一般疑问句: Were you having supper when the phone rang? Yes, I was./ No, I wasnt.,过去进行时(8A U6),Grammar,四、主要用法: 1. 过去进行时的基本用法主要表示过去某一时间正在进行的动作。 e.g. He fell asleep when he was reading. 他看书时睡着了。 、表示故事发生的背景。 e.g. It was snowing as the medical team made its way to the front. 那支医疗小组往前线行进时,天正下着雪。,过去进行时(8A U6),用when或while引导的时间状语从句:, when + 过去进行时(持续性动词)/ 一般过去时(瞬时性动词)某个时间点,某一段时间,主句和从句的动作可以同时发生,从句的动作可前后发生 When she came in, I was doing some housework. (瞬时动词) When I lived with the Smiths, we used to discuss international issues together. (延续性的动词) while + 过去进行时(持续性动词)表示某一段时间,主句和从句谓语动词所表示的动作同时发生 (just) as + 过去进行时 边边,随着. 例句:She was cooking when he was reading. = She was cooking while he was reading. The telephone rang when I open the door. = The telephone rang just as I was opening the door.,过去完成时: (过去的过去) 构成: had +过去分词。 过去完成时主要用于表示两个事件中一个发生在前,或者说是表示较早的过去。 when、after 、before等也常与过去完成时连用,以强调事件发生的先后次序。,Grammars,两个事件都发生在过去,如果哪个在前发生用过去完成时表示,哪个在后用一般过去时表示 本课当中出现before和after 引导的时间状语从句 before+一般过去时,主句用过去完成时 e.g. The film had already begun before I came back. after + 过去完成时, 主句用一般过去时 e.g. He left the room after he had turned off the light .,总结,1. I _ 900 English words by the time I was ten。 A. learned B. was learning C. had learned D. learnt 2. By the time my parents reached home yesterday, I _ the dinner already. A had cooked B. cooked C. have cooked D. was cooked 3. By the time he was ten years old, he _. A has completed university B. has completed the university C had completed an university D. had completed university 4. He _ to play _ before he was 11 years old. A had learned, piano B. had learned, the piano C. has learned, the piano D. learns ,piano. 5.The students _ their classroom when the visitors arrived. A . have cleaned B. had cleaned C. was cleaned D. have been cleaned,C,A,D,A,B,定义:在复合句中修饰名词和代词的从句叫做定语从句。 被定语从句修饰的名词或代词是先行词。定语从句必须放在先行词之后。 定语从句要由关联词:关系代词who, whom, that,which或关系副词when, where等引导。 The student who answered the question was peter. 回答问题的那个学生叫Peter.,Grammars,定语从句,How is it formed?,被修饰的名词、代词叫做先行词, 定语从句常跟在先行词之后,由关系代词或关系副词引导。 The lady who is standing behind the counter.,关系代词,关系代词在句中作宾语时可以省去,指人 指物 主语 宾语,定语从句中的省略. 关系代词省略:若描述的人或物是现在 正在进行的,可以省略关系代词,单用一个现在分词表示, 假如关系代词充当从句中的宾语,关系代词则往往可以省略,语法 Grammar in use,请分别看以下的例句,The woman standing behind thecounterserved me. 站在柜台后边的那位妇女为我服务招待了我。 This is the book I bought yesterday. 这就是我昨天买的那本书。 The man I served was wearing a hat. 我招待过的那个人当时戴着一顶帽子。,have to 与must must 表示主观的认为有必要,有义务 have to 表示含有客观的环境方面的需要, 除了“必须”之外,还有“不得不”。 must 没有时态和人称的变化 I must ,he must have to 有时态和人称的变化 I have to, he has to eg. I must work hard. 我必须努力工作。 (我觉得有必要这么做。) I had to go home by ship last night. 我昨晚不得不乘船回家。 (有可能没有赶上其他的航班或者火车,没选择才坐船。),Grammars,Grammars,Must I arrive on time? -Yes, you must. -No, you neednt. Do I have to arrive on time? -Yes, you have to. -No, you dont have/need to.,1. 情态动词+原形,表示对_推测。,例:He must be a teacher. 他一定是一名老师。(系表) 肯定的推断: 否定的推断: (而不是mustnt be) She must be doing.,Summary,现在或将来的情况进行,must be 肯定是,cant be 不可能是,2. 情态动词+be doing,表对:_推测。,例:He must be having a lot of money. 他一定有很多钱。 他们一定正在睡觉吧。 They must be sleeping. Jim may be playing the basketball. 吉姆可能正在打篮球。,正在进行的情况进行,1. 对过去的推测 (1)肯定推测:must have been “那时一定是” 2. 过去正在发生的推测 1)肯定推测:must have been doing “那时一定正在做” must have +been doing肯定某人过去正在进行的事 情的推测 must be doing肯定某人正在做某事 否定形式:cant I think they cant have been reading。我认为他们那是不可能正在读书。 4)must + have been+ v-ing 表示对过去某一时刻,某一时间内的动作的猜测,或过去一直到现在的一段时间内动作的猜测。 昨天晚上我给你打电话的时候你肯定在喝酒 You must have been drinking when I called you last night.,语法 Grammar in use 情态助动词may表示可能性 may或might都表示“可能”、“也许”。通常既可以用may,也可以用might,不过might所表示的可能性要比may小,且当情况是虚拟的时只能用might而不能用may。 (1)may 表示现在或将来的可能性:may+动词原形:The bread may befresh.面包可能是新鲜的。He may be reading.他可能正在看书。 I may go abroad.我可能出国。They may offer me a job.他们也许会给我提供一份工作。,祈使句的反义疑问句: 1、祈使句为肯定句式时,若其翻译疑问句表示请求时,通常用will you;表示邀请、劝说时,用wont you.如 Be sure to ring me, will you? 记得打电话给我,好吗? Come to have dinner with us this evening, wont you?今天晚上和我们一起吃饭,好吗? 2、祈使句为否定句时,其反义疑问句通常只用 will you.如: Dont smoke in the meeting room, will you? 不要在会议室抽烟,好吗? 3、Let开头的祈使句构成反义疑问句时,除Lets用shall we外,其他均用 will you.如: Lets take a break,shall we? 我们休息一下,好吗? Let the boy go first, will you? 让那个男孩先走,好吗?,直接引语变间接引语,直接引语变间接引语(1),直接引语 He said ,”I like English very much.”,间接引语 He said that he liked English very much.,直接转述别人的话,用引号。,用自己的话转述别人的话。一般情况下是宾语从句,时态变化,指示代词,时间状语,地点状语的,直接引语变间接引语(2),情态助动词的变化,may- might can -could will-would wont-wouldnt cant -couldnt,一般疑问句情况,直接引语变间接引语(3),My wife wants to know,Marry needs any help.,if,如果引语为一般疑问句时,引导词要使用if 或 whether。 注意从句要使用陈述语序。,He asks, “Does Tim live here?”,He asks if/ whether Tim lives here.,特殊疑问句情况,引语为特殊疑问句时,引导词要使用特殊疑问词来引导。从句使用陈述语序。,He asked, “What is the teacher doing?”,He asked what the teacher was doing.,33,语法,句型结构:条件状语从句(if引导的条件状语从句) 主句+if 从句,You will be late for school if you dont get up early.,主句 将来时,if从句 一般现在时,If 引导的条件状语从句,主句(一般将来时)+if 从句(一般现在时) If I play basketball well, I will join your team.,1.If he_it (not do it ), I_(do) it.,2.If you _ (be) late for school ,my teacher _(be) angry.,are,will be,3 If she_ (win) the prize ,we _(be) happy.,wins,will be,4.If I _ (not,eat )so much ,I _(get) thinner.,5.If you _(tell) them, they _ (not,believe) you.,dont eat,will get,tell,wont believe,6 I _(stay) at home,If it _( rain).,7.If it _(not,rain) ,I _( go) out.,8. we _(play) football, If it is _(sun) .,will stay,rains,doesnt rain,will go,will play,sunny,doesnt do,will do,Exercise Time,英语动词有两种语态: 主动语态 (the Active Voice) 被动语态(the Passive Voice),What is it?,A. 主动语态表示主语是动作的执行者。,B. 被动语态表示主语是动作的承受者。,We planted the tree.,The tree was planted by us.,被动语态结构:,be + 过去分词(P.P) + (by ),各种时态的被动语态构成,一般现在时: 一般过去时: 情态动词: 一般将来时: 现在进行时: 现在完成时: 过去进行时:,S+am/is /are +done S+was/were +done S+ can/may/must/should + be+ done S+ will+be+ done S+ am/is/are + being + done S+ have/has + been+ done S+ was/were+being+ done,