No. 1 Middle School of Gaochang District of Turpan Xuan Ai PingDear Miss Xuan, How are you? I have been in Beijing for 1 month. I want to tell you something about my life here. I have eight classes every day. I go to school by bike every day. I have visited some places here so far. I often go around Beijing on weekends. I have made some friends here. But I studied in Turpan a month ago, I went home with my friends, I played soccer with my classmates. How happy I was! I miss you very much. Oh Its time to go to school, I want to go back to Turpan this summer vacation. See you then.How many tense can you find in this letter?一般现在时：一般现在时：1、表达经常性或习惯性的动作。、表达经常性或习惯性的动作。 2、表示现在的状态。、表示现在的状态。一般现在时一般现在时:Simple Present Tenseoften（经常）（经常） sometimes（有时）（有时）always（总是）（总是） usually（通常）（通常）every day（每天）（每天） every week（每周）（每周）every month（每月）（每月） every term（每学期）（每学期）every year（每年）（每年） once a week （一周一次）（一周一次）标志词：标志词：定义：定义：例如：例如：1、我们经常、我们经常8点上学。点上学。2、每天下课后我们打扫教室。、每天下课后我们打扫教室。3、有时我们在操场上踢足球、有时我们在操场上踢足球 。4、Mary一周在学校吃三次午饭。一周在学校吃三次午饭。5、他喜欢英语。、他喜欢英语。6、他是一个学生。、他是一个学生。We often go to school at 8.We clean the classroom after class every day.We sometimes play football on the playground.Mary eats lunch three times a week at school.He likes English.He is a student.一般现在时用法：一般现在时用法：e.g. Hes twelve. Shes at work.e.g. I get up at 6:30 every day. He reads English every morning.e.g. She likes noodles. They speak French.e.g. Two plus four is six. The moon goes around the earth. .1.1.表示现在的状态表示现在的状态：2.表经常或习惯性的动作表经常或习惯性的动作：3.表主语具备的性格和能力等表主语具备的性格和能力等：4.普遍真理和自然规律普遍真理和自然规律：Do you know?第一人称和第二人称的一般现在时，其谓语动词没有形式的变化，第一人称和第二人称的一般现在时，其谓语动词没有形式的变化，其否定形式一般是在谓语动词前其否定形式一般是在谓语动词前 dont,一般疑问句在句前加一般疑问句在句前加do 主语是第三人称单数时，谓语动词形式有变化，一般在动词末尾加主语是第三人称单数时，谓语动词形式有变化，一般在动词末尾加s，否定句在行为动词前加，否定句在行为动词前加doesnt， 一般疑问句在句前加一般疑问句在句前加does动词三单的变化：动词三单的变化：1、一般动词后加、一般动词后加s，如：，如：reads,plays,works,makes2、以、以 s,x,ch,sh, 结尾，后加结尾，后加es. 如：如：watches,3、以辅音字母加、以辅音字母加o结尾结尾,一般加一般加es ,如：如：does,goes4、辅音字母、辅音字母+y结尾的单词结尾的单词,去去y,加加ies,如：如：worries studiesExercise1.I get up at six oclock every day. _ _ you get up every day?2. They usually go to the park on Sunday. _ _ they usually _ on Sunday?3. Lucy goes to school at 8 every day.(一般疑问句一般疑问句) _ Lucy _ to school at 8 every day?4. Mary _ (go) to school at 8 every day.5. My mother _(clean) the room once a day.6. He _ (not clean) the room every weekends. 一般现在时：一般现在时：1、表达过去发生的动作。、表达过去发生的动作。 2、表示过去存在的状态。、表示过去存在的状态。一般过去时一般过去时:Simple Past Tenseyesterday(昨天昨天) yesterday morning（昨天早上）（昨天早上）last night（昨天晚上）（昨天晚上） last week（上周）（上周）two days ago(两天前两天前) a week ago（一周前）（一周前） in 1990, （在（在1990年）年） just now (刚才刚才)标志词：标志词：定义：定义：例如：例如：1、我们昨天去上学。、我们昨天去上学。2、昨天下午课后我们打扫教室。、昨天下午课后我们打扫教室。3、上周我们在操场上踢足球、上周我们在操场上踢足球 。4、我们刚才在学校吃晚饭。、我们刚才在学校吃晚饭。5、他两年前学英语。、他两年前学英语。We went to school yesterday.We cleaned the classroom after class last afternoon.We played football on the playground last week.We had dinner at school just now.He learned English two years ago.变化规则变化规则例词例词一般在词尾加一般在词尾加ededplayplayed以不发音的以不发音的e e结尾的，只结尾的，只加加-d dlike likedlove loved以辅音字母以辅音字母+y +y 结尾的，结尾的，变变y y为为i i , ,再加再加ededstudy studiedcarry carried以一个辅音字母结尾的以一个辅音字母结尾的重读闭音节，先重读闭音节，先双写双写这这个辅音字母，再加个辅音字母，再加- -ededstop stoppedplan planned只有实义动词的一般过去时，其否定句一般是只有实义动词的一般过去时，其否定句一般是在谓语动词前在谓语动词前 didnt,一般疑问句在句前加一般疑问句在句前加did,且且句中的动词过去式要还原。句中的动词过去式要还原。 1 Mr. Li invited her to the party.（改为一般疑问句）（改为一般疑问句） Mr. Li her to the party?2 They asked the teacher a question.（改为否定句）（改为否定句）They the teacher a question.3 Tom watched TV for two hours.(对画线部分提问）对画线部分提问） Tom TV?4. She _(help) me do some cleaning yesterday.5. Did you (go) to the library just now?6. I _ (buy) a new bike last weekend.Didinvitedidnt askHow long did watchExercise一般现在时：一般现在时：1、表达过去发生的或已经完成的动作、表达过去发生的或已经完成的动作 对现在造成的影响或结果。对现在造成的影响或结果。 2、表示过去某一时间开始一直延续到、表示过去某一时间开始一直延续到 现在的动作或状态。现在的动作或状态。ever(曾经曾经) never（从不）（从不）yet （已经；还）（已经；还） already（已经）（已经）before(之前之前) recently（最近）（最近） For+一段时间（一段时间（for 3 days）so far(到目前为止到目前为止)since+过去时间过去时间(since2000) in the last 4 years(在过去的四年中在过去的四年中)标志词：标志词：现在完成时现在完成时: Present Perfect Tense定义：定义：例如：例如：1、我已经读了这本书。、我已经读了这本书。2、他从来没去过北京。、他从来没去过北京。3、到目前为止我学了、到目前为止我学了500个单词。个单词。4、我住在吐鲁番、我住在吐鲁番20年了。年了。5、Tom最近在学法语。最近在学法语。6、自从我是一个小孩子我就拥有了这个玩具熊。、自从我是一个小孩子我就拥有了这个玩具熊。We have already read the book.We have never been to Beijing.I have learned 500 words so far.I have lived in Turpan for 20 years.Tom has learned French recently.I have owned the toy bear since I was a baby.现在完成时的用法现在完成时的用法形式形式形式形式用法用法用法用法意意意意义义Have/has+Have/has+动词动词的的的的过过去分去分去分去分词词继续继续 表示从表示从表示从表示从过过去去去去继续继续到到到到现现在的在的在的在的动动作或状作或状作或状作或状态态He has been sick since last week.She has waited for him for 1 day经验经验 表示表示表示表示过过去某去某去某去某时时到到到到现现在的在的在的在的经验经验I have visited London twiceHave you ever been to Hawaii ?完成完成完成完成 表示表示表示表示现现在在在在刚刚完成的完成的完成的完成的动动作作作作He has just finished her homework.I have already done the housework结结果果果果 表示表示表示表示现现在是在是在是在是 “ “做了做了做了做了”的的的的结结果果果果I have lost my dictionaryMy brother has become a lawyerExercise1.I have already visited my uncle.(一般疑问句一般疑问句) _ you _ your uncle_?2. They have been to Hong Kong twice. (否定句）否定句） They_ _ to Hong Kong twice?3. Tom _ (learn) English for 5 years.4. I _(live) here since I was a baby.5. Mary _ (go)goes to Japan, shell come back next month.6. He _(come) in Beijing for 10 years.判断下列信息词是属于哪种时态判断下列信息词是属于哪种时态 last night since 2000 every day for 3 years yesterday often so far two years ago alwaysin 1897 three times a week 一般现在时一般过去时现在完成时判断时态形式：判断时态形式：1.He always likes playing the piano.( )2.We have played soccer for 3 years. now.( )3.They often go home late.( )4.Lucy danced the disco at the party last night.( )5.I liked go to the zoo when I was young.( )6.My teacher is friendly to us.( )7.They have changed a lot in the last 10 years.( )8.She was born in 1990.( )9.I lost much money last night.（ ）A.现在完成时B.一般现在时C.一般过去时ABCABBCCC