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1、English Basic Tenses (时态),他每天都来。 他昨天来了. 他已经来了. 他明天来. 汉语借助词汇手段而非词的形态变化来表示动作的发生,而英语主要通过谓语动词时态变化来表现.任何句子都要先注意时态.,He came yesterday.,He has come.,He will come tomorrow.,He comes every day.,英语的常见时态：,do(第三人称单数does),动词过去式did,will (shall)动词原形,be going to动词原形,be about to动词原形,be to动词原形,would动词原形,will (shall)b
2、e现在分词,am (is, are)现在分词,was (were)现在分词,have (has)过去分词,had过去分词,have (has)been现在分词,always, usually, often, sometimes, every., twice a week 等,yesterday, the day before yesterday, the other day, last., .ago 等,tomorrow, the day after tomorrow, next., in.等,at eight (this time) tomorrow 等,时间状语 now, during t
3、hese days,或 look, listen 等引起注意的词语,at eight (this time) yesterday 等,already, just, yet, since., for.等,by., before.等,for., since.等,多用于间接引语的宾语从句中,导入之一：How is your daily life as a high school student?,( using 3 sentences or more,使用实意动词 和系动词, 注意动词形式变化),2. 用法: 1) 经常性或习惯性的动作，常与表示频率的时间状语连用，如often, usually,
4、always, every day/year, sometimes, on Sunday等。,2)表示不受时间限制的科学事实或客观真理。 The earth moves around the sun.,I study hard every day and I get along well with my classmates, but sometimes I miss my families.,一、 一般现在时 (The Simple Present tense ) 1. 结构: do/does,3）表示主语的特征、性格、能力等 Mr. Smith hates fish and never e
5、ats any. Mary speaks both English and French very well.,4）按计划、规定，时间表(如汽车、飞机、会议)等将要发生的动作或存在的状态, 一般用于be, come, go, start, begin, leave, arrive, return等位移/终止性动词，常与时间状语连用 The train leaves at three this afternoon. The meeting starts at 2:00 p.m.,6）在部分倒装句中，表示动作正在进行。 There goes the bell. =The bell is ringi
6、ng. Here comes the bus. =The bus is coming.,5）在时间、条件、方式、让步状语从句中，用一般现在时代替一般将来时,即主将从现。 If it_ (be) fine tomorrow ,we _ (go) to the countryside. If he _ (come) this afternoon，we _ (have) a meeting.,is,will go,comes,will have,1.Not everyone (like) watching TV now. 2.This pair of shoes (sell) well. 3.The
7、 teacher told us the light (travel) at 300,000 kilometers a second. 4.Bill and Tom are hard-working students .They never (leave) todays work for tomorrow. 5.Ill tell him about it as soon as he (come) back.,Have a try,likes,sells,travels,leave,comes,Example: I _ (spend) my childhood happily with my o
8、ld friends. We always _(play) football and basketball together and we _ (not) have so much homework to do as now. We _ (be) happy at that time.,spent,played,didnt,were,导入之二：How did you spend your childhood?,二、一般过去时 ( The Simple Past Tense ) 1. 结构: 谓动用动词过去式 (V-ed) 2. 用法: 在过去时间里所发生的动作或存在的状态。常与表示过去时间的时
9、间状语连用。如 yesterday, last week, an hour ago, in 1982等。,1.-Look! Someone has spilt （溢出）coffee on the carpet（地毯）. -Well , it _ me. A. isnt B. wasnt C. hasnt been D. hadnt been 2.He (pretend) that a tiger toy was real and giving it a voice. (11广东）,B,pretended,1)表示过去发生的，和现在没有联系的动作或状态,2) 用一般过去时表示过去经常发生的动作
10、(也可用 “used to do”或 “would do” 代替)。 During the vacation she often swam / would swim / used to swim in the sea. I used to smoke.,注意：used to 表示过去常发生而现在不再发生的动作或存在的状态。 would 注重过去习惯性发生的动作。,1.At the end of the meeting, the headmaster (give) us a talk. 2.Listen! The radio says a serious accident _ (happen)
11、last night. 3.-Have you taken the medicine yet? - Yes, I (take) just now. 4.The rooms of library are clean. The boys _ (sweep) them yesterday. 5.I was going home when I (meet) an old friend.,gave,happened,took,swept,met,Have a try,犹如,picture,导入之三：How will you spend your National holiday? I will Im g
12、oing to,三. 一般/过去将来时,表示将来时的四种形式 will / shall + 动词原形 be going to do be about to do be to do,1. be going to 有很强的计划性，打算干什么，而will表示谈话时临时决定的意图，具有临时性和偶然性。 -The telephone is ringing. -I _ answer it. will B. am going to C. am to D. am about to -Alice, why didnt you come yesterday? -I _, but I had an unexpect
13、ed visitor. A. had B. would C. was going to D. did 2. be going to 可用来表达某种迹象要发生的事。 而will 不能表示 Look at the clouds! It _ rain.,is going to,3. be to 表示因约定、计划，职责、义务要求即将发生的动作, 或客观安排或受人指示而做某事。 be going to 表示主观的打算或计划。 I am to play football tomorrow afternoon. Im going to play football tomorrow afternoon.,4b
14、e about to do 表示“正要干什么”， 1)表示即将发生的动作，不与表示将来的时间状语连用。 2)常与when 连用，when 此时意思： 就在这时，是并列连词. 3)构成句型： be about to do when. was / were doing when be on the point of doingwhen had just done sthwhen e.g. I was about to leave when it rained.,导入之五：What are they doing now? They are having a class.,五. 现在/过去进行时,1表
15、示(现在/过去)说话时正在进行而尚未完成的动作或状态 I dont really work here. Im helping until the new secretary comes. Selecting a mobile phone for personal use is no easy task because technology_ so rapidly. A. will have changed B. has changed C. is changing D. will change,be (am, are, is)+ doing,2. 表示(过去)目前这段时间内正在进行的动作,但说话时动作未必正在进行。,She _ (learn) piano under Mr. Smith at present.,is learning,3.与always，constantly(不断地；时常地), usually, frequently, all the time等连用，表示赞成或厌恶的感情色彩。如：,He is always helping
