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1、语法复习语法复习 现在完成时现在完成时一、一、现在完成时的构成现在完成时的构成1. 现在完成时的肯定句句型现在完成时的肯定句句型 主语（第一主语（第一,二人称单二人称单,复数）复数）+have （第三人称复数）（第三人称复数） +have （第三人称单数）（第三人称单数） +has +过去分词过去分词2现在完成时的否定句句型现在完成时的否定句句型 主语主语+have/has+not+过去分词过去分词+例如：例如：I have not seen the movie yet.He hasnt been to Beijing since then3. 现在完成时的一般疑问句现在完成时的一般疑问句句型
2、句型 Have/Has+主语主语+过去分词过去分词+. Have you finished the work? Has she arrived here?句型句型 特殊疑问词特殊疑问词+have/has+主语主语+过去过去分词分词+.How many times have you been to the Great Wall?4. 现在完成时的特殊疑问句现在完成时的特殊疑问句 already, yet, just, recently，so far, ever, never, up to now, in the past years, over these years等。等。5. 现在完成时常用
3、的现在完成时常用的时间状语时间状语是是现在完成时表示：现在完成时表示：1.过去发生的动作对现在造过去发生的动作对现在造成的影响和结果。强调现在的影响，和过去无成的影响和结果。强调现在的影响，和过去无关，不和表示过去的时间状语连用。关，不和表示过去的时间状语连用。I have read his letter.He hasnt cleaned the windows yet.You have already changed.They have never spoken to each other.Have you ever been to the USA? already, yet, just,
4、recently,so far, ever, never, in the past years, over these years等。等。5. 常和现在完成时连用的常和现在完成时连用的状语状语有：有：用括号中动词的适当形式填空用括号中动词的适当形式填空1.He _(draw) a picture of his pet dog already. 2.I (not finish) the work yet. 3.I _(hear) from my father recently.4.We _(be) there many times in the past 3 years.5.They _(fin
5、ish)the work so far.6.How long you _(stay) at home already?7.I _(not read) the book before.8. He just (do) it.9.My sister _(walk) to school every day last year.10.We _(have) an exam again sometime next week.11.Lucy _(go) to Shanghai. She _(leave)12.this morning. has drawnhavent finishedhave heardhav
6、e beenhave finishedhavestayedhavent readhasdonewalkedwill havehas goneleft现在完成时和一般过去时区别：现在完成时和一般过去时区别：现在完成时和一般过去时区别：现在完成时和一般过去时区别：1.He _(work) out the math and now he is explaining it to us.2.He _(come) to our school last year.3.They _(cook) the supper already.They _(cook) it half an hour ago.4.They
7、 _ (not buy) the air tickets. They_(buy) them tomorrow.has workedcamehave cookedcooked havent bought will buy翻译句子：翻译句子：1.我已经修好了你的照相机。2.吉姆还未到中国旅行过。3.迄今为止，李先生已经教过3000个学生。4.近来，有些交换留学生已经从我们学校毕业。5.在过去的20年里，中国发生了很大的变化。6.李明刚刚去乡下看望他的奶奶。I have already repaired you camera.Jim hasnt travelled to China before.So far, Mr Li has taught 3000 students.Some exchange students have graduated from our school recently.China has changed greatly in the past 20 years.Li ming has just gone to the countryside to see his grandma.
