英语人教版八年级下册英语语法专题现在完成时课件.pptx

1、 淮南市寿县双庙初级中学王延润2017中考英语专题复习 王延润淮南市寿县双庙初级中学 现在完成时现在完成时 have / has + PP 助动词助动词 （可以帮助构成（可以帮助构成肯定、疑问和否定句）肯定、疑问和否定句）1.He has cleaned his room. (改为改为一般疑问句）一般疑问句）Has he cleaned his room?2. She has lived in London for four years. (划线部分提问）划线部分提问）How long has she lived in London?即学即练即学即练(1)：3. He has been to

2、China, _ _? （写出反义疑问句部分）（写出反义疑问句部分）hasnt he 4. They have come back from work. (写否定句）写否定句）They havent come back from work.即学即练即学即练(1)：二 、现在完成时的主要用法（定义） She has gone to shanghai.(她已经去了上海她已经去了上海,对现在造成的结果是对现在造成的结果是:She isnt here now.)1. 1. 用法用法 ： 表示过去发生的某一动作表示过去发生的某一动作 对现在造成的影响或结果。对现在造成的影响或结果。 She went t

3、o shanghai yesterday. 2. . 用法用法 ： 表示表示过去某一时间已经开始、持续到过去某一时间已经开始、持续到现在现在（也许还会继续进行下去）动作或状态，（也许还会继续进行下去）动作或状态，常和表示常和表示一段时间状语一段时间状语，如如since+过去的时间过去的时间点点, for+时间段等连用。时间段等连用。 （注意：句中谓语动词要用延续性动词注意：句中谓语动词要用延续性动词）一段时间的表达方法有两种一段时间的表达方法有两种:1） for + 时间段时间段eg:I _English_. 我学英语已经两年了。我学英语已经两年了。for a year for two wee

4、ks for three yearsfor two yearshave studied过去的某一时刻（时间点）过去的某一时刻（时间点）一般过去时态的时间状语从句一般过去时态的时间状语从句 2) since +They _in Beijing_. 他们自年就一直住在北京他们自年就一直住在北京。since last week, since 3 years agosince nine, since 2008 since you came to Chinasince you got homesince 1980have lived : 选用选用 for和和 since填空填空:1. We havent

5、 seen each other _ a long time.2. His father has been in Hefei _ 10 years ago.3. The film has been on _ 20 minutes.4.Tom has worked in the company he left school ten years ago. forforforforsincesincesincesince He has bought the book. He has bought the book for a week. He has had the book for a week.

6、 非延续性动词在肯定句、疑问句中不能肯定句、疑问句中不能与时间段连用与时间段连用，这些动词是：等。等。为了表述这种意思，我们常用相应的来代替短暂性动词.She has bought the computer for two years.hadbuyhave/has hadHow long have you come to the United States？ been income tohave/has been inbuyhave/has hadI have borrowed the dictionary since 3 days ago . kept come tohave/has bee

7、n inbuyhave/has hadborrow have/has kept 来代替短暂性动词come tohave/has been inbuyhave/has hadgo tohave/has been ingot tohave/has been injoin have/has been inhave/has been a soldier leave have/has been away borrow have/has kept begin have/has been on finish have/has been over die have/has been dead open hav

8、e/has been open : 1. 1.我买了这块手表五年了。我买了这块手表五年了。I I have boughthave bought this watch for five years.this watch for five years.I I have hadhave had this watch this watch forfor five years/ five years/sincesince 5 years 5 years ago.ago. 2. 2.这位老人已经死了十年了。这位老人已经死了十年了。 The old man The old man has diedhas d

9、ied for ten years.for ten years. The old man The old man has been deadhas been dead for ten years for ten years /since 10/since 10 years ago.years ago. 翻翻 译译 练练 习习 yet ever never just before already so far in the past /last 10 years We _ only _ 100 trees so far. have planted 只用于第三人称只用于第三人称 1 1、复习并巩固现在完成时的用法、复习并巩固现在完成时的用法。2 2、合作完成补充专题练习（学案）、合作完成补充专题练习（学案）。3 3、独立完成、独立完成A A计划专题练习九计划专题练习九。