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1、一般现在时讲解及练习1、 定义与讲解一般现在时：表示经常性的事情，经常性的动作或一般性事实。时间状语：often 经常，usually通常，always 总是，every+名词每个，sometimes 有时2. 表示客观真理，科学原理，自然现象，等客观事实或格言，谚语等。 The sun rises in the east and sets in the west every day. Tomorrow is Tuesday.只有在第三人称单数用动词的“三单变化”，其他用动词的原形。三单变化：（1）直接在动词词尾加-s.ask-asks work-works get-gets stay-sta
2、ys（2）以字母s, x, ch, sh或o结尾的动词，在词尾直接加-es.watch-watches wish-wishes fix-fixes pass-passes（3）以“辅音字母加 - y”结尾的动词，要先变y为i再加-es.try-tries study-studies cry-cries fly-flies play plays2.不规则变化：be- is are have-has do-does go-goes三、一般现在时的句子转换：（1）当句子中有be动词时，则把be动词提到主语的前面变成疑问句;在be动词后面加not变成否定句陈述句She is a student.疑问句
3、Is she a student?否定句 She is not a student.（2） 当句子中即没有be动词，则在主语前加助动词do (you,以及复数), does（单数she,he,it）变成问句；在主语后谓语动词前加助动词dont（I,you,以及复数), doesnt（单数she,he,it）变成否定句，助动词后的动词要变成动词原形。陈述句：We get up at 7:00 every morning.疑问句Do you get up at 7:00 every morning?否定句We dont get up at 7:00 every morning.陈述句：She ha
4、s a little brother.疑问句 Does she have a little brother?否定句 She doesnt have a little brother.（一）用动词的适当形式填空1. She _(go) to school at seven oclock.3. He usually _ up at 17:00.(get )4. She _ (live) in Beijing.5. Amy _ (be) here just now.6. _ (be)there a fly on the table just now?7. My father _ (watch) TV
5、 every evening .8. My father _ (make) toys these days.9_ Amy _ (read) English every day?10. Chen Jie sometimes _(go)to the park with her sister.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 S
6、unday.5._ they _ (like) story book?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)
7、 the same hobby.13. My aunt _ (look) after her baby carefully.14. You always _ (do) your homework well.15. I _ (listen) to the English songs twice a day ,16 Tom _ (go) to school from Monday to Friday.17. Liu Tao _ (do not ) like PE.18. The child often _ (watch) TV in the evening. 一般过去时的定义一般过去时表示过去某一
8、时候或某一段时间所发生了的事情或存在的状态。常与过去时间yesterday, the day before yesterday，this morning, just now,一段时间+ago, last night / year / week,just now , in +过去年代、月份一、 动词过去式分规则变化和不规则变化两种形式，不规则变化通常需要逐个记忆，规则变化则遵循以下原则：(1) 一般在动词后加-ed。如：playplayed, look-looked watch-watched(2) 在以字母e结尾的动词后，只加-d。如：likeliked, live-lived(3) 在以“辅
9、音字母+y”结尾的动词后，则改y为i，再加ed。如： study studied.cry-cried(4)辅元辅结尾的，双写最后辅音字母，再加-ed。如：planplanned, drop-dropped, stop-stopped1be动词在一般过去时中的变化：am 和is在一般过去时中变为was。（was not=wasnt）are在一般过去时中变为were。（were not=werent）带有was或were的句子，其否定、疑问的变化和is, am, are一样，即否定句在was或were后加not，一般疑问句把was或were放到句首。2句中没有be动词的一般过去时的句子否定句：di
10、dnt +动词原形，如：Jim didnt go home yesterday.一般疑问句：在句首加did，句子中的动词过去式变回原形。如：Did Jim go home yesterday? 特殊疑问句：疑问词+did+主语+动词原形？如： What did Jim do yesterday?疑问词当主语时：疑问词+动词过去式？如：Who went to home yesterday?5不规则动词过去式： 过去时练习：写出下列动词的过去式isam_ fly_ pick_ are _ drink_play_ go_ make _ do_ dance_worry_ ask _ taste_ ea
11、t_ draw_put _ throw_ kick_ pass_ do _一、用be动词的适当形式填空。1. I _ an English teacher now.2. She _ happy yesterday.3. They _ glad to see each other last month.4. Helen and Nancy _ good friends.5. The little dog _ two years old this year.6. Look, there _ lots of apples here.7. There _ a dog on the chair on M
12、onday.8. Today _ the second of June. Yesterday _ the first of June. It _ Childrens Day. All the students _ very happy.三、用所给动词的适当形式填满空白。1. I _ (watch) TV on Saturday.2. Her father _ (read) a book last night.3. We _ to zoo yesterday (go), but we _ to the park. ( not go)4. _ you _ (visit) your friends
13、last week?5. _ he _ (fly) a kite on Sunday? Yes, he _.6. Gao Shan _ (feed) some cows last month.7. I _ (eat) some bread yesterday, but my mother _.(do)8. What _ she _ (find) in the garden last morning? She _ (find) a beautiful butterfly.9. It _ (be) Bens birthday last Friday 10. We all _ (have) a good time last night.11. Helen _ (milk) a cow on Friday.12. She likes _ newspapers, but she _ a book yesterday. (read)13. He _ football now, but they _ basketball just now. (play)学科网（北京）股份有限公司