英语人教版九年级全册the present perfect Tense.pptx

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1、thePresentPerfectTenseBYYuYizhong教师：马小燕学校：青河县完全中学AmIrightinthinkingthatyouhavelivedhereallyourlife?Thefamilyhaslivedinthistownfortwentyyears.HehasstudiedEnglishsincehewas12yearsold.IhaveknownhimsincelastDecember.What’sthePresentPerfectTense?1234Conclusion：现在完成时表示一个从过去某一刻开始延续到现在

2、的动作或状态，这个动作或状态也许还会持续下去，常与for,since或一段时间连用。（现在完成时的未完成用法）IhaveseenquitealotofChina.Ithasbeenverysuccessful,sofar.肯定句：主语+have/has+过去分词.Ithasnotbeenverysuccessfulyet.(hasnot=hasn’t)否定句：主语+have/hasnot+过去分词.Wehavenotfinishedthework.(havenot=haven’t)1.2.SentenceStructuresHaveyoucollec

3、tedanyinformationaboutoccupations?—HasTomleftourtown?—Yes,hehas.—Andhowlonghashebeenaway?—Abouttwohours..疑问句:(疑问词)Have/Has+主语+过去分词?3.SentenceStructuresExercises:一、按要求变化下列各句。1.Shehaslistenedtoapieceofforeignmusic.（否定句）2.Ihavegotsomethingimportanttodo.（一般疑问句）3.Haveyouevertraveled

4、onatrain?（否定回答）Shehasn’tlistenedtoapieceofforeignmusic.Haveyougotanythingimportanttodo.No，Ihaven'tTimeExpressionswithPresentPerfectTense3already,yet,before(以前),ever,never, just(刚刚),for+时间段(持续…)since+时间点(自从…)so far/up to now(到目前为止) ......already常用于肯定句中或句末；yet常用于一般疑问句或否定句末。但表惊讶时a

5、lready也可用于疑问句。e.g.1.Tom hasalreadyfinished his work.2.Tom hasn’t finished his workyet.3.What!Have youalreadyfinished it?alreadyandyetfor“经历(时间段)”since“自从…以来”for＋时间段since＋时间段＋agosince＋时间点since＋从句1.He has stayed herefor 3 hours.2.He has stayed heresince 3 hours ago.3.He has s

6、tayed heresince 3 o’clock.4.He has taught Englishsince he came here.forandsinceWehavelearnedEnglish______GradeThreeinprimaryschool.WehavelearnedEnglish_______fiveyears.2.Hehasn’tfeltwell________lastnight.Hasheseenthedoctor?3.Ihavereadthisstorybook_______threedaysago.Ihaven’tfi

7、nishedreadingityet.选用since或for填空:sinceforsincesinceContinuousVerbORNon-ContinuousVerbJohnMartinhascometoXiamen.JohnMartinhascometoXiamenforthreeyears.JohnMartinhasnotcometoXiamenforthreeyears.Conclusion:非延续性动词（终止性动词）的肯定式不能和一段时间的状语连用，应改用相应的延续性动词或其它句型。1JohnMartinhasfallenillsince

8、hemovedtoXiamen.JohnMartinhasbeenillsincehemovedtoXiam