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初中基础语法 - 专题二、动词的时态( )1.Louis computer games at weekends. A. plays B. is playing C. has played D. was playing ( )2.The Greens will visit Hainan as soon as they to China. A. comes B. come C. came D. will come 一、一般现在时一、一般现在时的功能1.表示事物或人物的特征、状态。 The sky is blue.2.表示经常性或习惯性的动作。 I get up at six every day.3.表示客观现实。 The earth goes around the sun.常搭配的时间状语:every day/evening, often, always, usually,sometimes, usually, never等二、一般现在时的构成1. be动词:主语+be(am,is,are)+其它。 I am a boy.2.行为动词:主语+行为动词(+其它)。 We study English.当主语为第三人称单数(he, she, it)时,要在动词后加-s或-es。 Mary likes Chinese.三、一般现在时的变化1. be动词的变化。否定句:主语+ be + not +其它. He is not a worker. 一般疑问句:Be +主语+其它? -Are you a student? -Yes. I am. / No, Im not.特殊疑问句:疑问词+一般疑问句? Where is my bike?2.行为动词的变化。否定句:主语+ dont( doesnt ) +动词原形(+其它). I dont like bread. He doesnt often play.一般疑问句:Do( Does ) +主语+动词原形+其它? - Do you often play football?- Yes, I do. / No, I dont. - Does she go to work by bike? - Yes, she does. / No, she doesnt.特殊疑问句:疑问词+一般疑问句? How does your father go to work?四、动词加s/es的变化规则1一般情况下,直接加-s, cook-cooks, milk-milks2以s. x. sh. ch. o结尾,加-es, guess-guesses, wash-washes, watch-watches, go-goes3以“辅音字母+y”结尾,变y为i, 再加-es,study-studies巧学妙记 用好一般现在时,时间状语要牢记 基本用法要记清,动作习惯经常性 客观真理和能力,有时还表将来时 谓语若为行为动,形式要由主语定 主语人称是三单,动词要把-s/es添 句中若把助词用,谓语动词用原形五、一般现在时用法专练:一、 写出下列动词的第三人称单数 drink _ go _ stay _ make _look _ have_ pass_ carry _ come_ watch_ plant_ fly _study_ brush_ do_ teach_二、用括号内动词的适当形式填空。1. He often _(have) dinner at home.2. Daniel and Tommy _(be) in Class One.3. We _(not watch) TV on Monday.4. Nick _(not go) to the zoo on Sunday.5. _ they _(like) the World Cup?6. What _they often _(do) on Saturdays?7. _ your parents _(read) newspapers every day?8. The girl _(teach) us English on Sundays.9. She and I _(take) a walk together every evening.10. There _(be) some water in the bottle.11. Mike _(like) cooking.12. They _(have) the same hobby.13. My aunt _(look) after her baby carefully.14. You always _(do) your homework well.15. I _(be) ill. Im staying in bed.16. She _(go) to school from Monday to Friday.17. Liu Tao _(do) not like PE.18. The child often _(watch) TV in the evening.19. Su Hai and Su Yang _(have) eight lessons this term.20. What day _(be) it today? Its Saturday.三、按照要求改写句子1. I do my homework every day. (改为一般疑问句,作否定回答)_2. She likes milk. (改为一般疑问句,作肯定回答)_3. She is always a good student.(改为一般疑问句,作否定回答)_4. We go to school every morning.(改为否定句)_5. He speaks English very well.(改为否定句)_6. I like taking photos in the park.(对划线部分提问)_7. John comes from Canada.(对划线部分提问)_8. Simon and Daniel like going skating.(改为否定句)_五、改错(划出错误的地方,将正确的写在横线上)1. Is your brother speak English? _2. Does he likes going fishing? _3. He likes play games after class. _4. Mr. Wu teachs us English. _5. She dont do her homework on Sundays. _副词在句中用作状语,修饰动词、形容词、副词、词组或整个句子。包括表示时间、地点、方式、频度、程度等的副词。频度副词 1. 频度副词的特点 表示动作发生的次数,常见的有: alwaysusuallyoftensometimesseldom(很少)hardlynever(决不)(按频率大小排列),once/twice,/three times a week/month/year等。 always和never、 often和seldom各是一对反义词 2.在句中的位置 通常位于行为动词之前, be动词、助动词、情态动词之后: He often comes to see us. He is seldom late for school.sometimes, often, usually等可位于句首(因为强调或对比): Sometimes he goes there by bus.3.hardly, seldom和never本身带有否定的意义 He hardly goes to see a movie, does he?4. always在否定句中的位置:位于not之后 She doesnt always come late. 她并非总是迟到。5.对频度副词进行提问时,常用how often-How often do you walk to school?I sometimes walk to school.选择题( )1.Why does your mother get up so early?-Because she has to catch the early bus every morning. A. always B. never C. sometimes D. seldom( )2.I play bask
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