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1、一.一般现在时（一）一般现在时含义1)经常性、习惯性的动作或存在的状态。e.g. I go to school on foot. He is very busy now.2)表示主语的特征、性格、能力、爱好等。e.g. He can swim. I work hard.I like watching TV.3)表示客观真理e.g. There are seven days in aweek.The moon moves round the earth.（二）结构与句型其结构按正常语序，即“主语+谓语+其它”，有时为了起强调作用，时间状语也可提前.其句式变化可分为两种情况1)表示动作， 一般人称
2、作主语的，变否定句须在动词前加助动词dont；变一般疑问句须在句首加助动词do。 E.g. They have lunch at12:00. They donthave lunch at 12:00. Do they have lunchat 12:00?2）单三人称做主语的，变否定句须在动词前加助动词doesnt；变一般疑问句须在句首加助动词does。Jenny speaks English verywell.Jenny doesnt speakEnglish very well.Does Jenny speak English verywell?含有be动词的要在be上做变化.Danny
3、is a good student.Danny isnt a goodstudent.Is Danny a good student?其时间状语为often、usually、 always、 sometimes等频率副词，on Saturdays、 in the morning(afternoonevening) 、everyday 等。（三）学生常见错误如下：1、be动词与行为动词同时出现在句子中例：We are plant (plant) the trees in spring.答案：plant解析：学生往往会用汉语的思维方式去翻译，就成了“我们是在春天植树”。这是学习英语最忌讳的，要看语
4、法是不是正确，在英语中，be是表状态，do是表动作，两种动词不能同时出现在句子中，可记住如下口诀：“英汉语言有差异，be 、do不能放一起，仔细琢磨细分析，语法千万要牢记。”自我检测：(1)单选1) Jenny _ in an office. Her parents _in a hospital.A work; works B works; work Cwork; are working D is working; work2) One of the boys_ a black hat.A have B there isC there are D has3 )We will go shoppi
5、ng if it_tomorrow.A dont rain Bdidnt rainCdoesnt rain Disnt rain4 )He said the sun _in the eastand _in the west.A rose; set B rises; sets C rises, setD rise; sets5) Wang Mei _ music and often _to music.A like; listen B likes; listens C like; are listening D liking ; listen6) Jenny_ English every eve
6、ning.A has study B studiesC study D studied答案：1. B 2.D 3.C 4.B 5.B 6.B(2)1 )I can take Li Ming therewhen he _ ( come) to visit.2) _yoursister_(know)English?3)Her home_ _(远离 )her school.4)The pot_(not look) like yoursvery much.5) Where _you_(have)lunchevery day?6) Who_(想要 )to go swimming?7) _she_(do)
7、 the houseworkevery day?8) Jenny and Dannyusually_(play) games in the afternoon .答案：1 comes 2 Doesknow 3 is away from 4 doesnt look2、单三人称形式易出错例：1) He plaies (play)football very well.2) Danny gos (go) to school at 7:10.答案：1) plays 2) goes解析：1)以辅音字母加y结尾的动词变单三人称形式才能把y换成i再加es；2)与名词变复数不同，变单三人称形式以o结尾的词要加e
8、s.3、在句式变换时易出错例：1 Does Jenny has (has) a goodfriend?2 Brian doesnt lives (not live) in China.答案：1 Does have2 doesnt live解析：单三人称做主语的一般现在时做句式变化时，可记住如下口诀：“见助动，用原形”。此口诀也可推广用于一般过去时态中。e.g. He didnt go home yesterday.4、对do的理解易出错例：We dont(not do) our homework in the afternoon.答案：dont do解析：do是一个比较难理解的词，它有三个含义
9、: a)是所有行为动词的总称；b)是助动词，无实义；c)是一个具体的行为动词“做，干”。此句中给出的do指“做，干”，not指把此句变为否定句，故须在do前加助动词dont。5、对主语的数判断有误例： Li Ming with me are (be) inBeijing.答案: is解析:表面一看是“我和李明两个人在北京”，但with在此做伴随状语，不能做主语，故用is.另外，宾语从句中，从句部分若是表示客观真理，不管主句是何时态，从句都要用一般现在时；在时间和条件状语从句中，主句表将来，从句要用一般现在时。一般现在时练习一、 写出下列动词的第三人称单数talk_forget_hope_sto
10、p_perform_play_say_buy_worry_fly_study_like_make_take_love_recite_become_come_drive_shine_leave_wake_ride_write_hike_give_see_swim_stop_shop_plan_get_sit_let_cut_run_forget_begin_wash_watch_finish_teach_fish_reach_go_do_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 Cl
11、ass One.3. We _(not watch) TV onMonday.4. Nick _(not go) to thezoo 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) usEnglish on Sundays.9. She and I _(take) awalk together every evening.10. There _(be)
12、somewater in the bottle.11. Mike _(like)cooking.12. They _(have) thesame hobby.13. My aunt _(look)after her baby carefully.14. You always _(do)your homework well.15. I _(be) ill. Im staying inbed.16. She _(go) to schoolfrom Monday to Friday.17. Liu Tao _(do) notlike PE.18. The child often_(watch) TV
13、 in the evening.19. Su Hai and Su Yang_(have) eight lessons this term.20. What day _(be) it today? Its Saturday.21 We often _ (play)in the playground.22. He _ (get) up atsix oclock.23. _ you _(brush) your teeth every morning?24. What _(do) heusually _ (do) after school?25. Danny _ (study)English, Chinese, math, science and art at school.26. Mike sometimes _(go) to the park with his sister.27. At eight at night, she_ (wat
