人教版高中英语选择性必修第三册精品课件 Unit 4 ADVERSITY AND COURAGE Section B Learning About Language.ppt

【语法感悟】在②③⑤句子中,黑体部分是时态;在①④⑥⑦句子中,黑体部分是时态。?现在完成进行现在完成语法精讲1.现在完成进行时的构成现在完成进行时由“have/has+been+现在分词”构成。其陈述句、一般疑问句和简单回答如下:陈述句一般疑问句简单回答I/We/You/Theyhave(not)beenworking...HaveI/we/you/theybeenworking...?Yes,I/we/you/theyhave.No,I/we/you/theyhaven’t.He/She/Ithas(not)beenworking...Hashe/she/itbeenworking...?Yes,he/she/ithas.No,he/she/ithasn’t.【即学即练】单句语法填空①EversincetheGreensmovedtothecountryayearago,they(enjoy)betterhealth.?②Untilnow,theforestfire(burn)fordozensofdays.?③Forweeks,I(think)ofabigger,deeperquestion:Howdowemakeitahabitforthem??④I(call)himmanytimesthismorning,butthere’snoanswer.?havebeenenjoyinghasbeenburninghavebeenthinkinghavebeencalling2.现在完成进行时的用法(1)表示动作从过去某时开始,一直延续到现在,可能刚刚结束,也有可能继续进行下去。I’msureyouwilldobetterinthetestbecauseyouhavebeenstudyingsohardthisyear.我确信你将在这次考试中取得更好的成绩,因为这一年里你一直用功学习。IhavebeenreadingHemingway’sAFarewelltoArmsrecently.我最近一直在读海明威的《永别了,武器》。ThisiswhatIhavebeenexpectingsincemychildhood.这是我从小就一直期待着的事情。(2)表示在一段持续的时间内动作的多次重复,而这个重复的动作在说话时并不一定在进行。We’veallalongbeenmakingmistakeslikethis.我们一直犯这样的错误。JimhasbeenphoningJennyeverynightforthepastweek.过去一星期以来,吉姆每天晚上给詹妮打电话。You’vebeensayingthatforfiveyears.这五年来你一直那么说。(3)现在完成进行时还可表达较重的感情色彩。Whathaveyoubeendoingtomydictionary?你把我的字典弄成什么样子了?【即学即练】单句写作①我已经等了一个小时了,但她还没有来。I______________________________________________________,butshehasn’tcomeyet.?②杰克一直练太极已经一年多了。Jack___________________________taichiformorethanayear.?③她一直试图说服我放弃这个计划。She______________________________________________________togiveuptheplan.?havebeenwaitingforanhourhasbeenpracticinghasbeentryingtopersuademe3.与现在完成进