一般现在时ppt课件.ppt
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1、词性:,名,代,动;形,副,数;介,连,冠,感叹,原形单三 (-s)现在分词 (-ing)过去式 (-ed)过去分词 (-ed),动词形式:,八大时态:,一般现在时一般过去时一般将来时过去将来时现在进行时过去进行时现在完成时过去完成时,The Simple Present Tense 一般现在时,The earth goes around the sun.,I go to school every day.,She is a policewoman.,1.客观真理或不可变更的事实,2.经常、反复发生的动作,3.存在的状态,一、一般现在时的定义:,4.主将从现: 在时间状语从句和条件状语从句中,
2、如果主句是一般将来时,从句用一般现在时替代一般将来时。When I grow up, Ill be a nurse. If it is fine tomorrow, we will have a picnic.,Brainstorming,We study English every morning.,I usually eat hamburgers.,They watch TV twice a week.,We ,study, every morning,They, twice a week,I,usually,eat,_,_,_,二、一般现在时的标志词(时间状语),1.频度副词:alway
3、s, usually, often, sometimes, seldom, hardly, never 2. 副词短语:once a week, every day, every month, on Sundays 3.具体时间:at 6:00 every morning.e.g. I usually go to school at 6:30. He attends meetings on Mondays.,频率副词,频率副词是表示与次数, 频率有关的副词, 其排列是(由大到小): always (总是), usually (经常), often (常常), sometimes (有时), s
4、eldom (不常), never(从不)。,1. 频率副词用在be动词后。 It is usually hot in summer. 2. 频率副词用在实义动词前。 My father usually walks home. 3. 频率副词用在助动词与实义动词之间。 I will always love you.,频率副词在句中的位置:,频率副词位置记忆口诀:Be、助后 实义前,How often 是对表示频度副词的时间状语的提问,可翻译为“多久(一次)”。,He often gets up at 6:00 in the morning.1.人称代词he, she, it用第三人称单数Pet
5、er listens to the radio at 7.a.m.2.单个人名、地名或称呼作主语用第三人称单数。This/That book is yours. A horse is a useful animal.3. 单数可数名词或“this/that/the/a + 可数名词单数”作主语时,用第三人称单数。Everyone is here./This is a pen.4. 不定代词someone, somebody, nobody等及指示代词this,that作主语时,用第三人称单数。The milk is in the glass.5.不可数名词作主语时,看作第三人称单数。“19”
6、is a lucky number./ “I” is a letter.6.当数字或字母作主语时,看作第三人称单数。,Think it over,三、第三人称单数动词变化规则,Practice one,写出下列单词的第三人称单数形式 live- _ discuss- _have- _ hurry- _go- _ wash- _stay- _ be-_enjoy- _ collect- _,lives,has,goes,stays,enjoys,discusses,hurries,washes,is,collects,Practice two,用动词的适当形式填空 Wendy _ (write)
7、 computer games. Her parents and brother _( work ) in her business. Wendys driver_ (take) her to school every morning. Sometimes she _(make) phone calls to other people on the way to school. She _(do) her homework before dinner. Her family members _(discuss) business at dinner. She _(go) to bed at 2
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