暑期专题二 ----- 现在进行时和一般现在时的总结 一般现在时用法详解 定义： A. 自然规律。（Eg: the earth goes around the sun.） B. 主语和 with 词组并列时，遵循就远原则。（Eg：She with her friends goes swimming every day.） C. 按照计划，规定或者时间表行事。（The plane takes off at 6 p. m.） D. 当主语是 who; which; what 等；将其看成第三人称单数。(Who makes the room messy?) 2. 频率副词 3. On Sundays(表示每一个星期日) 时间标志词：1. every 系列 其中频率副词可分为模糊频率副词和精确频率副词 模糊频率副词：always; usually; often; seldom; hardly; never 精确频率副词：twice a week; once a week; three times a week 对频率副词提问: How often 对次数提问： How many times 肯定结构：1. 主语 + am/ is /are + 其他 2. 主语 + 实意动词（注意第三人称单数） + 其他 否定结构：1. 主语 + am/ is /are + not + 其他 2. 主语 + don’t 实意动词原型 + 其他 3. 主语 + doesn’t 实意动词原型 + 其他 一般疑问结构：1. Am/is/are + 主语 + 其他？ 2. Does/ Do + 主语 + 动词原形 + 其他？ 拓展知识点：1. 按照计划，规定或者时间表行事。（The plane takes off at 6 p. m.） 2. 区分祈使句和一般现在时句型（ Eg: 祈使句： Bobby, don’t be sad. 一般现在时：Bobby isn’t sad.） 现在进行时详解 定义：表示说话时正在进行的动作，强调“此时此刻”，常和 now, look, listen 连用。 时间标志词：1. now; look; listen; at the moment 2. 注意根据上下文的暗示，句子的谓语动词可能应用现在进行时 现在分词变化规则： 1. 一般情况，在动词词尾加上-ing。如：jump----jumping 2. 以不发音字母 e 结尾的动词，先去 e，再加-ing。如：have----having write----writing make----making, taste---tasting come----coming, take----taking, hope----hoping 3. 以重读闭音节结尾，即一个元音字母加一个辅音字母，且不为字母组合，则双写末尾的辅音字母， 再加 ing。run----running sit----sitting put----putting stop----stopping [来源:Zxxk.Com] [来源:学科网 ZXXK] 肯定结构：主语+ be+v-ing + 其他 She is singing in the next room. 否定结构：否定句式是在 be 动词后加 not。 主语+ be + not + doing sth. 一般疑问结构：Be + 主语 + doing sth.? 易错知识点：1. 一些动词没有现在 进行时。（have 表示“有”；感官动词： look; sound; taste; feel 等）Look! Each student has a computer 2. 表示这一阶段正在进行的动作。（标志词： these days）We are preparing for the coming exams these days. 3. tie; lie 的现在分词是 tying; lying 现在进行时和一般现在时的综合练习 一、用单词的适当形式填空 1. Listen! The music ___________ (sound) very be autiful! 2. --Where is Stephen? ---Oh, he together with his friends_____ __(sit) on the couch, watching TV. 3. Chinese people __________ always ___________ (worry) about H7N9 bird flu（流感）these days. 4. Jack, _______________ (not be) late for tomorrow’s meeting. 5. What ________(make) you so happy? 6. The train ___________(leave) at 8:00 am according to the timetable. 7. It’s 7 o’clock. David ________(brush) his teeth 8. Millie, __________ (not read) in the sun. It’s bad for your eyes. 9. My uncle with his children___________(fly) kites on Sundays 10. Tom, __________ (not be) late for school again. [来源:学科网] 11. My father __________(like) listening to music now. 12. Listen! How nice the music __________(sound)! 13. Look! Everyone ______(have) a new iPhone in the hand. 14. It’s 7p.m. now.______ your family ______(have) supper? 15. Jack, with his friends, always ______(buy) many books in the bookshop at the weekends. 16. Sandy _______(not be) often late for school. 17. Everyone in the small town ______(enjoy) the clean water and fresh air. 18. Sam, _______(not be)late for school again. 19. --- Who ______(wear) a pair of glasses? --- Many students do. 20.　_______the Blacks _______(clean) the house now? 二、句型转换 1. The Blacks are having a big dinner. (对划线部分提问) ____________ ___________ having a big dinner? 2. They are doing their homework in the classroom. (对划线部分提问) _________ _______ they _________ in the classroom？ 3. I drink milk and tea every day. (改为否定句) I _______ _____ milk ____ tea every day. 4. There is some water in the cup. (改为否定句) There ________ _______ water in the cup. 5. Jane often draws pictures. . （变为一般疑问句） ______ Jane often _____ pictures? 6. He reads English in the classroom every morning. （变为一般疑问句） _______ he _______ English in the classroom every morning. 7. They are sitting under the tree. (对划线部分提问) ________ ______they ________? 8. He is opening the window. (改为否定句) He _______ ________ the window. 9. He does his homework in the room. (改为否定句) He _________ _________ _______ homework in the room. 10. Tom and Tim are watching TV now. (对划线部分提问) __________ _______ __________TV now? 三、单选题 1. Don't take the dictionary away. I ________ it. A. use B. used C. am using D. have used 2. Email with the telephone, ________an important part in our daily life. A. play B. have played C. is playing D. are playing 3. Lily often____________ her homework. Her teachers are very angry. A. doesn’t B. don’t C. don’t do D. doesn’t do 4. ________your mother at home every night? A. Does B. Do C. Is D. Are 5. Is your sister _________ a big dinner now? A. have B. has C. having D. had 6. --- Hurry up! It’s time to leave. ---- OK, _____________. A. I’m coming B. I’ll come C. I come 7. My father _____________on the project(项