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1、八年级上册英语时态精讲精练现在进行时一基本用法 表示说话时正在进行的动作, 常与 now, at the moment等时间状语连用, 有时,句首有 look ,listen 等词提示。例如:What are you doing now? I am cleaning the window. Look! The students are having an English lesson. 表示现阶段正在进行的动作,常与now, these days等时间状语连用。例如:1.He is now living in Australia. 目前他正住在澳大利亚。 (暂时) 。比较:2.He lives
2、 in Australia. 他定居在澳大利亚。3.I am working in a computer company right now. How are you getting along these days? 这些天来你好吗? 有时,现在进行时可以表示按计划安排将要发生的动作,特别是使用表示位置转移的动词时,如go, come, leave, start, arrive等。例如:We are going to Rome next week. 下周我们准备去罗马。When are you starting? 你什么时候动身?二动词的现在分词的构成:其动词结构为: be + doing(
3、动词的现在分词)1 一般情况动词后加 ing ,以不发音的 e 结尾的去 e加 ing。write- play- eat- see- 2 以重读闭音节结尾的词,双写最后的辅音字母再加ing 这样的词往往看最后三个字母,常常是“ 辅音元音辅音 ”open就不行 ,它的重音不在 pen上sit- get- begin- stop- shop- swim- run- 三.句子结构肯定结构:主语 am/is/are doing(动词的现在分词)He is watching TV. 否定形式:主语am/is/are+ not+ doing. He is not watching TV. 一般疑问句: B
4、e(am/is/are )主语 doing(动词的现在分词) ? Is he watching TV? Are they singing now? 特殊疑问句:疑问词一般疑问结构?What is he doing? 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 1 页,共 6 页现在进行时专项练习一. 用括号中动词的适当形式填空:1. My parents _ _(watch)TV now. 2 . Look. Three boys _ _(run). 3. What _ your mother _ _(do)now? 4. _ your dog
5、 _ now?(sleep) 5. _ you _(listen)to music? Yes, I am. 6. Look, Miss Chen _ _ football.(play) 7. Tom and his sister _(wait)for you over there. 8. Now Class 3 and Class 4_(have)a test. 9. Listen, someone _(sing)in the classroom. 10. Where is Zhang Yan? She _(talk)with her teacher in the teacher s offi
6、ce. 二. 选择填空:( )1. Who _ over there now? A. singing B. are sing C. is singing ( )2. It s nine ten. The students _ a music class. A. have B. having C. are having ( )3. Listen! The boy _. A. crying B. is crying C. cries ( )4. Dont talk here. Grandparents _. A. sleep B. is sleeping C. are sleeping ( )5.
7、 Is the man _ tea or milk? A. drinks B. drink C. drinking 三. 按要求进行句型转换:1. Lily is dancing.(改为一般疑问句 ) _ 2. Kate is looking for her watch.(改为否定句 ) _ 3. Mrs. White is watching TV.(对划线部分提问 ) _ 4. I am doing homework.(改为否定句 ) _ 5. They are waiting for you at the library.(提问) _ 四. 根据中文提示完成句子:1 他没在写作业,她在画画
8、。He _ _ _ homework. He _ _ _ _ pictures. 2. 今天李老师穿着一件红色的连衣裙。 Miss Li _ _ a red dress today. 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 2 页,共 6 页3. 你爷爷在看报纸吗? _ your grandpa _ _ the newspaper? 4. Tom和 Jim 在做什么?_ _ Tom and Jim _? 5. 他们是在打篮球还是在打排球?_ they _ basketball _ volleyball? 一般现在时一用法1.表示现在的状态H
9、e is twelve. They are at home.2.表示经常性或习惯性的动作I go to school at seven every day. He plays soccer on Sundays. 3.表示主语具备的性格和能力等She likes apples. They speak Japanese. She is medium build. 二句子结构1.主语 be其他2. 主语动词原形 - 3. (当主语是第三人称单数时) 主语动词的第三人称单数形式- 肯定式I am a cleaner.We go to school at seven every day. He goe
10、s to school at 6 every day. 否定式I am not a cleaner. We dont go to school at seven.He doesn t go to school at 6.疑问式及回答Are you a cleaner? Yes, I am. (No, Im not.) Do you go to school at seven? Yes, we do.(No, we don t.)Does he go to school at 6? Yes, he does. (No, he doesnt.)注意:在上面的否定和疑问式中,do 和 does都没有
11、意义,不用译出。它们只是为了使句子完整,叫做助动词。三其他特征 :A.一般现在时常和表示时间频度的副词连用。如:often, usually, sometimes, always, never, hardly ever 等。(注意频度副词的位置: )1. I often read books in the evening 2. Do they usually go to school by bike? 3. He doesn t like milk. He never drinks it.4. Sometimes my mother gets back at five. B.一般现在时常和以下
12、时间表达法连用。精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 3 页,共 6 页如:in the morning, in the afternoon, in the evening, at noon, at night, every day, on Sunday(s), at seven 等。Do they have math in the morning? She sleeps nine hours every night. They don t have classes on Sundays.动词第三人称单数的构成:1、直接加 -slookl
13、ooks read readsplayplays2. 在字母 s, x,ch,sh,o后加-es watchwatcheswashwashes gogoes dodoes 3. 辅音字母加 y 结尾的动词变 y 为 i,再加 -es carry carries study studies hurry hurriescry cries 4. 特殊的have - has 一般现在时专项练习选择填空() 1.A: How often _ she exercise? B: Twice a week. A. do B. doesC. doingD. did () 2. I _ like to drink
14、 milk. A. not B. doesn tC. don t D. no () 3. Good food and exercise _ me to study better. A. help B. helpsC. helping D. to help () 4. Is her lifestyle the same _ yours or different? A. as B. inC. atD. to () 5. I like _ for breakfast. A. a bookB. a rulerC. an egg D. a sofa () 6. The _are $21. A. glas
15、sesB. shoeC. table D. bike () 7. Tennis _ my favorite sport. A. areB. isC. amD. be () 8. I have a tennis and my friend Jim _ two tennis rackets. A. have B. playC. playsD. has () 9. “Let s play computer games.” That _ interesting.”A. looksB. soundsC. listens D. reads ()10. My father likes football. B
16、ut he _ it. He only _ football matches on TV! A. plays, watchesB. play, watch C. doesnt play, watchesD. plays, doesnt watch一般过去时精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 4 页,共 6 页意义:表示过去某个时间或某阶段已经发生或完成的动作或状态,和现在无关。如:He went to Wuhan last week. They were in Beijing yesterday. 句子的基本结构为:主语动词的过去式-
17、否定结构:主语 didn t动词原形 - 一般疑问句: Did 主语动词原形 - 动词过去式的构成:A.规则的变化:一般在词尾加ed, 不发音的 e 后加 d。以辅音字母 y 结尾的词变 y 为 i 加 ed 重读闭音节结尾的词,双写最后的辅音字母再加ed。B不规则动词的过去式一般是把动词原形加以变化,这需要各个击破,寻找其中的小规律。一般过去时专项练习选择1. Tom _ in a factory. His sisters _ in a hospital. A. work/ work B. works/ work C. work/ works 2. Who _ English best in
18、 your class? A. speak B. speaks C. speaking 3. Mrs Read _ the windows every day. A. is cleaning B. clean C. cleans 4. We _ music and often _ to music. A. like/ listen B. likes/ listens C. like/ are listening 5. She _ up at six in the morning. A. get B. gets C. getting 6. On Sunday he sometimes _ his
19、 clothes and sometimes _ some shopping. A. wash/ do B. is washing/ is doing C. washes/ does 7. The twins usually _ milk and bread for breakfast, but Jim _ some coffee for it. A. have/ have B. have/ has C. has/ have 填空:1. My father always _(come) back from work very late. 2. The teacher is busy. He _
20、 (sleep) six hours a day. 3. Listen! Joan _ _(sing) in the classroom. She often _ (sing) there. 4. _ your brother _(know) Japanese? 5. Where _ you _ (have) lunch every day? 6.The girl _(like) wearing a skirt. Look! 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 5 页,共 6 页She_ _(wear) a red skirt toda
21、y. 根据中文意思完成句子1、学生们在干什么?有一些在打电话,另一些躺在沙滩上。_ _ the students _? Some _ _ on the phone, _ _ _ on the beach. 2、“ 格林先生在看电视吗? ” “不, 他在打扫房间。 ”“_ Mr Green _ _ TV?” “_, He _ _ _ _ the house.”3、魏芳不是在读书,她在写信。Wei Fang _ _ a book. She _ _ a letter. 4、今天天气怎么样? _ is the weather today? _ _ is the weather _ _ today? 5、我正在通过收音机学(learn) 英语。I _ _ _ _ English on the radio. 6、这个老人每天早上六点钟起床。The old man _ _ _ _ at six oclock every day.7、你从哪里来?Where _ _ you from? Where _ _ you _ _ from? 我从美国来。I _ _ from America. I _ _ from America. 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 6 页,共 6 页
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