一般现在时123一．定义: 一般现在时表示现在经常反复发生的动作、存在的状态或习惯性的动作的时态4二．形式:主语+动词原形/ 动词的单数形式5一般现在时用行为动词的原形，但第三人称单数作主语时，动词的词尾变化规则：61.一般的动词词尾+S2. 以sh /ch /s/x/o结尾的词+es 3以辅音字母+y结尾的把y变成i，7+es。
8三．用法：91. 表示经常的或习惯性的动作，常与表示频度的时间状语连用。
10时间状语: always, usually, regularly, every morning/night/evening/day/week, often, 11rarely,12sometimes, hardly, occasionally, from time to time, twice a week, seldom, once a 13month,14ever, never.15Example: He is always late for school.162：表示主语具备的性格、能力、身份、特性、喜好，天气等。
17Examples:18I study in a middle school.19Ann Wang writes good English but does not speak well.20He likes football.21This fruit tastes good.22It is sunny.233. 表示自然规律。
24Examples: The earth moves around the sun.254. 格言或警句中。
26Example: Pride goes before a fall. 骄者必败。
275. 表示按规定、计划或时间表将要发生的事。
281)适用于下列动词：come, go, arrive, leave, start, begin, return的一般现在时表将来。
29这主要用来表示在时间上已确定或安排好的事情。
The train leaves at six tomorrow morning.3031When does the bus star? It stars in ten minutes.322)在倒装句中，表示动作正在进行，如：There goes the bell. = The bell is ringing.3334Here comes the bus. = The bus is coming.353)在时间或条件从句中36When Bill comes, ask him to wait for me.37I'll write to you as soon as I arrive there.38练练看：1.The father as well as children _____ every Sunday afternoon in winter.3940A. is goingB. goC. goesD. are going412. Send my regards to your lovely wife when you _______ home.A. wroteB. will writeC. have writtenD. write42433 — Do you have any problems if you ______ this job?44—Well, I’m thinking about the salary….45A. offerB. will offerC. are offeredD. will46be offered474. I think it is necessary for my 19-year-old son to have his own mobile phone, forI sometimes want to make sure if he _____ home for dinner.4849A. comeB. comesC. has comeD. will come505. According to the time-table, the train for Shanghai _____ at 7 o’clock in the evening.A. leavesB. has leftC. was leftD. will leave51526. Look at the timetable. Hurry up! Flight 4026 ____ off at 18:20.53A. takesB. tookC. will be takenD. has taken547. Galileo collected facts that proved the earth _____ around the sun.55A. movedB. movesC. has movedD. had moved568. ——Can I help you, sir? ——Yes, I bought this radio yesterday, but it ____.A. didn’t workB. won’t workC. can’t workD. doesn’t work57589 This machine _______. It hasn’t worked for years.59A. didn’ t workB. wasn’ t workingC. doesn’ t workD. isn’ t working10. The house belongs to my aunt but she______ here any more.6061A. hasn't livedB. didn't liveC. hadn't livedD. doesn't live11. Every few years, the coal workers their lungs X-rayed to ensure their health.6263A. are havingB. haveC. have hadD. had had6412. Barba ra is easy to recognize as she’s the only one of the women who _____evening 65dress.66A. wearB. wearsC. has wornD. have worn6713. The palace caught fire three times in the last century, and little of the originalbuilding6869____now.70A. remainsB. is remainedC. is remainingD. has been remained14. The wet weather will continue tomorrow， when a cold front _____ to arrive.7172A. is expectedB. is expectingC. expectsD. will be73expected7415. --- Have you seen my e-mail about our TESL, project?75--- Yes. Luckily, I checked my e-mails yesterday. Normally, I ____ my e-mail-box 76for days.A．haven’t opened B．didn’t open C．hadn’t opened D．don’t open777816. He will come to see you the moment he ______his work.79A. will finishB. finishesC. would finishD. had finished8017. If their marketing plans succeed，they ____ their sales by 20 percent.81A. will increaseB. have been increasing82C. have increasedD. would be increasing8318. —Shall I call at your house at seven o’clock tomorrow evening?84—I ______ a walk in the park. So you won’t find me at home then.85A. shall be takingB. shall takeC. will86take D. am taking8719. --- Let’s discuss the question raised last nigh t, shall we?88--- There is no hurry for that. I ____ for a conference.89A. headedB. was headingC. am headingD. have headed9020. Once education is made free，many children who have dropped out of school ____ .91A. will come backB. came backC. have come backD. had come92back93941-5 CDCDA 6-10 ABDCD 11-15 BBAAD 16-20 BAACA95现在进行时96现在进行时的构成:97现在进行时由"be+v-ing"构成。
be应为助动词 v-ing为现在分词形式:98现在分词形式变化形式：99(1)一般情况下直接加 think---thinking sleep---sleeping study---studying100speak---speaking101（2）以不发音的字母e结尾的单词，去掉字母e，再加 ing102wake---waking make---making come---coming take---taking leave---leaving 103have---having104（3）以ie结尾的动词，把ie改为y ，再加ing die---dying lie---lying（4）以重读闭音节结尾，呈现“辅，元，辅”结构的动词，先双写末尾的辅音字母，再加ing 105106stop---stopping sit---sitting run---running forget---forgetting107begin---beginning108注：以重读闭音节结尾，呈现“辅，元，辅”结构的动词，先双写末尾的辅音字母，再加109ing 。