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一一般般现现在在时时与与 现现 在在 进进 行行 时时 创设情境,导入新课1.Who _ (sing) over there?2.Who _ (sing) best in our class?我们存在的问题:1.在具体做题的时候不会判断使用什么时态。2.不知道动词使用什么形式。3.不会使用be动词和助动词。出示学习目标出示学习目标:I. 掌握动词时态中一般现在时态的用法。II. 掌握动词时态中现在进行时态的用法.III. 掌握二者的区别运用. (重难点)(重难点)I. 一般现在时:一般现在时:一、定义:一、定义:一般现在时表示主语经常性和习惯性的动作或存在的状态,也表示说话者的喜好、能力及自然现象。二、分类理解:二、分类理解:1.表示现在的状态: e.g. e.g. HeHess twelve. She twelve. Shess at work at work. .2.2.表喜好、具备的性格和能力等:表喜好、具备的性格和能力等: e.g. She likes noodles. They speak French.3.3. 表经常或习惯性的动作:表经常或习惯性的动作: e.g. I get up at 6:30 every day. He reads English every morning.4.表示不受时间限制的普遍真理和自然规律:e.g.e.g. Two and four is six. Two and four is six. The moon goes around the earth. The moon goes around the earth.自主学习,合作探究5.表示表示“预定预定”或是或是“安排好安排好”要发生要发生的,不会轻易改变的未来动作的,不会轻易改变的未来动作, 事情。事情。常用于此类用法的动词有常用于此类用法的动词有come, go, move, stop, leave, arrive, be, finish, start, begin等。等。 The plain arrives at 8 oclock. 飞机八点到。飞机八点到。 School begins on March 5. 三月五日开学。三月五日开学。自主学习,合作探究四、结构:四、结构:1.含有含有be动词的一般现在时:动词的一般现在时:当主语是当主语是第一人称单数第一人称单数时,谓语动词使用时,谓语动词使用am;当主语是当主语是第三人称单数第三人称单数时,谓语动词使用时,谓语动词使用is;当主语是当主语是其他人称其他人称时,谓语动词使用时,谓语动词使用are.2.行为动词的一般现在时:行为动词的一般现在时:当主语是第一人称单复数、第二人称单复数和第三人当主语是第一人称单复数、第二人称单复数和第三人称复数时,谓语动词使用动词原形;称复数时,谓语动词使用动词原形;当主语是当主语是第三人称单数第三人称单数时,谓语动词使用时,谓语动词使用动词的第三动词的第三人称单数形式人称单数形式。三、类型:三、类型:be动词的一般现在时动词的一般现在时行为动词的一般现在时行为动词的一般现在时第三人称单数第三人称单数和和动词的第三人称单数形式动词的第三人称单数形式自主学习,合作探究一、人称代词一、人称代词he, she, ithe, she, it是第三人称单数。是第三人称单数。 第三人称单数第三人称单数:二、单个人名、地名或称二、单个人名、地名或称呼是呼是第三人称单第三人称单数。例数。例如:如: Han Mei , Beijing, Uncle Wang 三三、不可数名词,、不可数名词, “this / that / a/an/the+“this / that / a/an/the+单数可数名词单数可数名词”作主语时,是第三人称单数作主语时,是第三人称单数。例。例如:如:water,awater,a panda , this book , that car , the cat 自主学习,合作探究v1、大多数动词在词尾直接加s, 如read reads look looks play plays 2、以辅音字母加y结尾的动词,要先将y变为i,再加es如:fly flies carry carries study studies3、以“s, x, ch, sh”结尾的,在词尾加“es”,发音为iz 如: teachteaches iz; watchwatches iz box-boxes 4、以“o”结尾的动词,加“es”,读z 如: gogoes z dodoes z 动词的第三人称单数形式动词的第三人称单数形式自主学习,合作探究五、时态标志牌:五、时态标志牌:1 1、everyevery系列系列:vevery day/week/month/year/morning、频率副词、频率副词:always , usually, often, sometimes, seldom,never、次数、次数:一周两次一周两次 twice a week每周四次每周四次 four times a week每周六每周六 on Saturdays 每周日每周日 on Sundays在周末在周末 at weekend 在工作日在工作日 on week days自主学习,合作探究1. She often _ (sing) there .2. _your brother _(speak) Chinese?3. Where _ you _ (have) lunch every day?4. The girl _(not like) wearing a skirt. 5. We _ (have) PE three times a week.6. There _ (be) twelve months a year.自主学习,合作探究singsDoesspeakdohavedoesnt likehaveareII.II.现在进行时:现在进行时:现在进行时态表示现在正在进行或发生的动作现在进行时态表示现在正在进行或发生的动作. .句型结构句型结构:由由be(ambe(am/is/are)+/is/are)+动词动词- -inging形式构成的。形式构成的。时态标志牌时态标志牌:句中出现句中出现now,atnow,at the moment the moment,right now ,look, right now ,look, listenlisten等词时等词时, ,上下文提示时,如:上下文提示时,如:Its + Its + 时间,时间,DontDont引导的祈使句,引导的祈使句,WheresWheres等,就用现在等,就用现在进行时进行时, ,如:如:WeWerere listening listening to the teacher to the teacher nownow. . ListenListen! She ! She is callingis calling her mother. her mother.LookLook! The boy ! The boy is swimmingis swimming. .Where is Where is XiaomingXiaoming? He ? He is readingis reading there. there.现在分词构成现在分词构成 V-ing1. 直接在词尾加ing.2.以不发音字母e结尾的, 去掉字母e,然后再加ing3.重读闭音节的,双写这个单词最后一个辅音字母然后再加-ing。4.特殊变化特殊记自主学习,合作探究v1. -Where is Lily? - She_ (talk) to her sister, Lucy.v2. Listen! One of the students_ (sing) an English song.v3.- What_ you _( do)? - I _(wait) for the next bus.v4. Look , She _(not walk) on the Great Wall. She _(lie) in the sun.v5.Be quiet. The baby _ (sleep)v6.Xiaoming is _ (read) in the classroomis talkingis singingam waitingaredoingisnt walkingis lyingis sleepingreading自主学习,合作探究一般现在时表示主语经常性和习惯性的动作或存在的状态,也表示说话者的能力及自然现象。现在进行时表示说话时(瞬间)正在进行的动作,也表示目前或现阶段一直进行的动作。She often does her homework in the evening. 一、一、自主学习,合作探究她经常在晚上做作业。现在她正在做作业。She is doing her homework now.一般现在时中谓语动词的构成有以下两种情况:be动词的一般现在时形式:am,is,are.其他行为动词的一般现在时形式有动词原形或第三人称单数形式。现在进行时中谓语动词的构成是:am/is/are+动词的-ing形式(现在分词)。二、二、自主学习,合作探究一般现在时的时间状语主要有:always,usually,often,sometimes,never,every day,on Sundays,in the morning/afternoon/evening等;现在进行时的时间状语主要有:now,these days,this week,at the moment,right now等,有时句首有“Look!”、“Listen!”或“Its+时刻”等词、句存在。We play football in the afternoon.我们在下午踢足球。(一般现在时)My mother is reading a newspaper now. 我妈妈正在看报纸。(现在进行时)三、三、自主学习,合作探究 1.Who _ (sing) over there? A. singing B. are singC. is singing D. sing3. Listen! The baby _ in the next room. A. cryingB. criedC. is cryingD. cries2.Mrs Read _ the windows every day.A. is cleaningB. cleanC. cleans4.We _ music and often _ to music. A. like/ listenB. likes/ listensC. like/ are listening5.The twins usually _ milk and bread for breakfast, but Jim _ some coffee for it.A. have/ have B. have/ has C. has/ have巩固练习,当堂反馈CCCAB8.She _ up at six in the morning.A. getB. getsC. getting9.On Sunday he sometimes _ his clothes and sometimes _ some shopping.A. wash/ doB. is washing/ is doing C. washes/ does7. Dont talk here. Grandparents _. A. is sleepingB. are sleepingC. sleepingD. sleep6. Its eight oclock. The students _ an English class.A. haveB. having C. is havingD. are having10. Look! The twins _ new sweaters.A. are wearingB. wearingC. are wearD. is wearing巩固练习,当堂反馈DBBACHomework:Finish the test paper课后延展,巩固提高
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