人教版 (2019)选择性必修 第三册Unit 4 Adversity and Course授课ppt课件

这是一份人教版 (2019)选择性必修 第三册Unit 4 Adversity and Course授课ppt课件，共8页。
【探究总结】(1)定义:现在完成进行时表示某动作从过去某个时间开始,一直延续到现在,并且还有可能持续下去。(2)构成:I/We/Yu/They ________+现在分词  He/She/It ________+现在分词 
答案: (2)have been　has been
(3)句式结构:①陈述句:主语+has/have been ding ...②一般疑问句:Has/Have+主语+been ding 肯定回答:Yes, 主语+has/have.否定回答:N, 主语+hasn't/haven't.(4)与现在完成进行时连用的时间状语有:ver the past decades, ________, all the mrning, all day/mnth, these days, recently/lately, in the past few+时间段, since+时间点, fr+时间段,等等。
答案: (4)all the time
【应用实践】单句语法填空。①—I wnder if yu culd g t the mvies with me.—Oh, just leave me alne. I ________________(write) a cmpsitin all the mrning and haven't finished yet. ②Yu see, I ________________(shp) all the afternn and I dn't seem t have dne anything. ③—We've spent t much mney recently.—Well, it isn't surprising. Our friends and relatives ________________(cme) arund all the time. 
答案: ①have been writing　②have been shpping③have been cming
二、现在完成进行时的用法【观察思考】▶It has been raining since last week. 自从上周以来一直下雨。(强调动作的过程)▶Yu have been cughing a lt lately.你最近一直咳嗽。(强调动作的反复性)▶T much has been happening tday.今天真是个多事的日子啊。(感慨)▶He has always been studying hard.他学习一直很刻苦。(赞许)
【探究总结】(1)表示动作从过去某时开始一直持续到现在,甚至将来,强调动作的_________。 (2)表示从过去到现在的一段时间内反复进行的动作,强调动作的_________。 (3)常表示_________、_________等感情色彩。
答案: (1)过程　(2)反复性　(3)感慨;赞许
【应用实践】根据汉语提示完成英语句子。①Mary__________(一直去) t writing classes every night since June and the curse will end this week. ②Since the time humankind started gardening, we ________(一直尽力) t make ur envirnment mre beautiful. ③The manager__________(一直在告诉) the wrkers hw t imprve the prgramme since 9:00 a.m. 
答案: ①has been ging　②have been trying ③has been telling