【正文】 the classroom. Have you finished it already？ ★yet用于疑問句中表示“已經(jīng)”；用于否定句中，表示“還(沒)”。. Peter has written six papers so far. Man has now learned to release energy from the nucleus of the atom. There has bee too much rain this year. The relations between us have been enhanced in the past few years. Up to the present everything has been successful. 現(xiàn)在完成時(shí)表示現(xiàn)在之前就已完成的動(dòng)作, 雖然其效果或影響仍然存在但已不再繼續(xù), 但是有一些現(xiàn)在完成時(shí)的句子，在后面加上for+一段時(shí)間，則現(xiàn)在完成時(shí)的動(dòng)作就表示延續(xù)性。（三）句型 肯定句：主語+have /has+動(dòng)詞過去分詞+其他。. I have lost my wallet. (含義是：現(xiàn)在我沒有錢花了。)Jane has laid the table.(含義是：已可以吃飯了。 I have studied English for 5 years . 否定句：主語+have /has+not +動(dòng)詞過去分詞+其他。. Thomas has studied Russian. (現(xiàn)在不再學(xué)俄語) Thomas has studied Russian for three years. (=Thomas began to study Russian three years ago, and is still studying it now.) 現(xiàn)在完成時(shí)還可以用來表示過去的一個(gè)時(shí)間到現(xiàn)在這段時(shí)間內(nèi)重復(fù)發(fā)生的動(dòng)作。例如： —Has he found his watch yet？他還沒找到他的表嗎？ —No, not yet. 是, 還沒有。ever與否定詞not連用相當(dāng)于never。★ just now意為“剛才”, 表示過去某時(shí), 用于一般過去時(shí), 位于句首或句尾均可。 注意：since 后接過去時(shí)的時(shí)間狀語或過去時(shí)的句子。 Has he gone to Qingdao? 他去青島了嗎？但不能說 Have you gone to Qingdao?現(xiàn)在完成時(shí)與一般過去時(shí)的區(qū)別 ： 一般過去式：過去時(shí)表示過去某時(shí)發(fā)生的動(dòng)作或單純敘述過去的事情，強(qiáng)調(diào)動(dòng)作。現(xiàn)在現(xiàn)在一看時(shí)間狀語。如：－Have you had your breakfast? －Yes, I have.－When did you have it? －At seven thirty.注意： 這種用法是以連貫性問答為背景的。如： He has been a league member for two months. He joined the Youth League two months ago.現(xiàn)在完成時(shí)練習(xí)題　　一、單項(xiàng)選擇Both his parents look sad . Maybe they _________what39。 better Ｄ. changed 。 studied Ｄ. are 。 done 。 do 。 。drink ________ go _______ stay ________ make ________ look _________ have_______ pass_______ carry ____ e________ watch______plant_______ fly ________ study_______ brush________ teach_______一般現(xiàn)在時(shí)一般現(xiàn)在時(shí)基本用法介紹 　　一般現(xiàn)在時(shí)的功能　　、狀態(tài)?！　　！　。褐髡Z+行為動(dòng)詞(+其它)?！　∫话悻F(xiàn)在時(shí)的變化1. be動(dòng)詞的變化。如：Are you a student? 　Yes. I am. / No, I39。t( doesn39。t構(gòu)成否定句。t. 　　當(dāng)主語為第三人稱單數(shù)時(shí)，要用does構(gòu)成一般疑問句。 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 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) 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) the same hobby. 13. My aunt _______(look) after her baby carefully. 14. You always _______(do) your homework well. 15. I _______(be) ill. I’m staying in bed. 16. She _______(go) to school from Monday to Friday. 17. Liu Tao _______(do) not like PE. 18. The child often _______(watch) TV in the evening. 19. Su Hai and Su Yang _______(have) eight lessons this term. 20. －What day _______(be) it today? － It’s Saturday. 二、按照要求改寫句子。 5．現(xiàn)在進(jìn)行時(shí)的特殊疑問的基本結(jié)構(gòu)為：疑問詞不達(dá)意 + be + 主語 + 動(dòng)詞ing? 但疑問詞當(dāng)主語時(shí)其結(jié)構(gòu)為： 疑問詞不達(dá)意 + be + 動(dòng)詞ing? 動(dòng)詞加ing的變化規(guī)則 1．一般情況下，直接加ing，如：cookcooking 2．以不發(fā)音的e結(jié)尾，去e加ing，如：makemaking, tastetasting 3．如果末尾是一個(gè)元音字母和一個(gè)輔音字母，雙寫末尾的輔音字母，再加ing，如：runrunning, stopstopping 現(xiàn)在進(jìn)行時(shí)專項(xiàng)練習(xí)：一、寫出下列動(dòng)詞的現(xiàn)在分詞： play________ run__________ swim _________ make__________ go_________ like________ write________ ski___________ read________ have_________ sing ________ dance_________ put_________ see________ love_________ live_______ take_________ e ________ get_________ stop_________ sit ________ begin________ shop___________ 二、用所給的動(dòng)詞的正確形式填空： boy __________________ ( draw)a picture now. 2. Listen .Some girls _______________ ( sing)in the classroom . 3. My mother _________________ ( cook )some nice food now. 4. What _____ you ______ ( do ) now? 5. Look . They _______________( have) an English lesson . ____________(not ,water) the flowers now. ! the girls ________________(dance )in the classroom . is our granddaughter doing? She _________(listen ) to music. 9. It’s 5 o’clock now. We _____________(have)supper now (wash )clothes? Yes ,she is . 三、句型轉(zhuǎn)換： 1. They are doing housework .(分別改成一般疑問句和否定句) _____________________________________________________________ _____________________________________________________________ 2．The students are cleaning the classroom . ( 改一般疑問句并作肯定和否定回答) _________________________________________________________________ _________________________________________________________________ 3．I’m playing the football in the playground .(對(duì)劃線部分進(jìn)行提問) _________________________________________________________________ 4．Tom is reading books in his study . (對(duì)劃線部分進(jìn)行提問) _________________________________________________________________將來時(shí)一、概念：表示將要發(fā)生的動(dòng)作或存在的狀態(tài)及打算、計(jì)劃或準(zhǔn)備做某事。例如：We are going to go on an outing this weekend. → Are you going to go on an outing this weekend? 五、對(duì)劃線部分提問：一般情況，一般將來時(shí)的對(duì)劃線部分有三種情況。：She’s going to go to bed at nine. →When is she going to bed? 六、同義句：be going to = will I am going to go swimming tomorrow（明天）. = I will go swimming tomorrow. 練習(xí)：填空。 _____ your mother _______ ________ go shopping this ___________? Yes, she _________. She ______ ________ __________ buy some fruit. 4. 你們打算什么時(shí)候見面。一般過去時(shí)也表示過去經(jīng)?；蚍磸?fù)發(fā)生的動(dòng)作感謝。 3．句中沒有be動(dòng)詞的一般過去時(shí)的句子 否定句：didn’t +動(dòng)詞原形，如：Jim didn’t go home yesterday. 一般疑問句：在句首加did，句子中的動(dòng)詞過去式變回原形。 1．我的故事書剛才還在手表旁邊。 1. I ______ (watch) a cartoon on Saturday. 2. Her father _______ (read) a newspaper last night. 3. We _________ to zoo yesterday, we _____ to the park. (go) 4. ______ you _______ (visit) your relatives last Spring Festival? 5. ______ he _______ (fly) a kite on Sunday? Yes, he ______. 6. Gao Shan _______ (pull) up carrots last National Day holiday. 7. I ____________ (sweep) the floor yesterday, but my mother ______. 8. What ______ she _______ (fin