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1、一般现在时讲解及练习题1、用法：表示现在的状态，如：She is ten.Kate is in the classroom.表示经常发生或习惯性的动作或状态，如：we often call to each orhear.She always wears red clothes.表示主语现在的性格、特征、能力，如：I like English.We can speak English.表示客观真理，如：The light runs faster than the sound.2、句型结构：I.当谓语动词是be时：谓语动词be包括 am,is ,are.其用法是:我(I )用am;你(you )用
2、are; is用于他(him )她(her )它(it );复数人称都用are.主要句式：1.肯定句式 主语be( am,are,is)其他。2.否定句式 主语be( am,are,is)not其他。3.一般疑问句 将提前be( am,are,is) ,即:Be(am,are,is)主语其他？肯定回答 Yes,主语（必须是代词）be（am,are,is）否定回答 No,主语（必须是代词）be(am,are,is )not（必须用缩写形式 isnt/arent）闯关练习I.用be的适当形式填空1.-How_ you? -I_ fine. 2.I_ David,and my family name
3、_ Green.3.-What color _ your clock? -It_ white. 4.-What_ this in English?-It_ an apple.5.Toy_my brother.David_my brother,too.They _ my brothers.6.Look!These_apple trees. 7.We_ good students and you_ good teacher.8.My sister and my brother_ students. 9.Five and three _ eight.10._your card number 5578
4、? 11.Where_ your pencils?12.Thses sweaters _ fifty dollars. 13.How much _ his jacket?14.My brothers birthday_ December 11th. 15.When _ Kates birthday?II.将下面的句子变成一般疑问句并作出回答1. That is my football.2. Those are his books.3. Jim and Tom are good friends.4. My birthday is November 1st.5. His son is twelve
5、 years old.III.将下面的句子变成否定句1. His card is on the table.2. Thses are my parents.3. Bob and Tony are our friends.4. These things are five dollars.5. The girl is his sister.6. These socks are five yuan.II.当谓语动词是实义动词时当主语是第一人称;第二人称及第三人称复数及复数的人、物时主要句式：(1)肯定句 主语动词原形其他(2)否定句 主语dont动词原形其他(3)一般疑问句 Do主语动词原形其他?
6、肯定回答 Yes,主语（必须是代词）do 否定回答 No,主语（必须是代词）dont2.当主语是第三人称单数he,she,it及单数的名词时主要句式：(1)肯定句 主语动词的三单形式其他(2)否定句 主语doesnt动词原形其他(3)一般疑问句 Does主语动词原形其他? 肯定回答 Yes,主语（必须是代词）does 否定回答 No,主语（必须是代词）doesnt动词单三形式变化规则：一、一般情况加s，例如：looks, likes, wants,plays,二、以ch, sh, s, x或o结尾的词，加-es，例如：teaches, washes, guesses, goes, does三、
7、辅音字母+y结尾，变y为i加-es，例如：carry-carries, study-studies特殊变化 have-has读音情况如下：1、在p, t, k, f清辅音后，读s，例如：hopes, invites, asks2、在z, s, ?, t?, dz后，读iz，例如：teaches, wishes, fixes3、在浊辅音和元音及其它情况下， 读z,例如：plans, tries, sends闯关练习I.将下面的句子变成一般疑问句并作出回答1.I have a baseball.2.Meria likes apples very much.3.He plays Ping-pang
8、every day.4.We watch TV in the evening.5.Mr Wang often buys lots of things.6.Janey and Mary go to school at 7:30.II. 将下面的句子变成否定句1.I need a bag for sport.2.He wants to go to a movie.3.She often goes to see Beijing Opera.4.The girl has an egg for breakfast.5.We play basketball every day.6.My teacher k
9、nows my name.7.It sounds very interesting.IV.用所给词的适当形式填空1_ her sister _ (have) a tennis racket?2._ your friend _ (like) basketball?3.We _ (play) football every day.4.It_ (sound) very well.5.Jim _ (want) an orange.7. My mother _(watch)TV in the evening.8. _ you _ (like) English?9. Mike and Li Lei _ (
10、not like) eggs.10. What color_ your sister_ (like)?11. She _ (know) a little English.一般过去时讲解及练习题概念一般过去时表示过去某个时间发生的动作或存在的状态。常和表示过去的时间状语连用。如：last year, yesterday等； 也可表示过去经常反复发生的动作，常和often, always等频率副词连用。例如： I was in datong five days ago.(存在的状态)I bought an funny story book yesterday. (发生的动作) Li Mei alw
11、ays went to school on foot last year. (经常反复发生的动作) 动词过去式的变化形式有：(1)规则变化：直接加-ed。如: want-wanted play-played work-worked以不发音的字母e结尾的动词，加-d。如：live-lived move-moved hope-hoped末尾只有一个辅音字母的重读闭音节，先双写这个辅音字母，再加-ed。如：stop-stopped 末尾是辅音字母+y结尾的动词，先变y为i，然后再加-ed。如：study-studied cry-cried carry-carried(2)不规则变化：需特殊记忆。如：
12、am(is)-was, are-were, go-went, come-came, take-took, have (has)-had等 句型肯定句：主语+动词过去式+其他。如：he did his homework yesterday.Mr.Hill was at home last night.The children were at home just now.否定句：a.主语+was/were+not(wasnt/werent)+其他。 b.主语+didnt+动词原形+其他。如：The works were in the workshop.The works werent in the
13、 workshop.I did that.I didnt do that.一般疑问句：a. Was/Were+主语+其他？；b. Did+主语+动词原形+其他？如: Tom was a student.Was Tom a student? He wanted to be a singer.Did he want to be a singer? 特殊疑问句：特殊疑问词+一般疑问句？如：Where were you yesterday evening?Why did the boy come here?How did they finish the work so fast? 一般过去时口诀一般过去时并不难，表示过去动作、状态记心间。动词要用过去式，时间状语句末站。否定句很简单，didnt 站在动词原形前，其它部分不要变。一般疑问句也好变，did放在句子前，主语、动词原形、其它部分依次站。特殊疑问句也简单，疑问词加一般疑问句记心间。最后一条请注意，动词过去式要牢记。练习题一、句型转换1. The children had a good time in the park.否定句：_
