Unit 4 Period Ⅱ Learning About Language-【高考领航】2021-2022学年新教材高中英语选择性必修第三册同步核心辅导与测评课件（人教版）

语法精讲·难点透析 随堂训练·巩固提升 课时规范训练 * 语法精讲·难点透析 随堂训练·巩固提升 课时规范训练 语法 精讲·难点透析 C 通读下列句子并感知现在完成进行时和现在完成时的特点。 ①Well，we've been finding the bones of tigers and bears in the caves，and we think these were their most dangerous enemies. ②It has been raining since last week. ③He has been writing a novel，which will be finished next month. ④He has written a novel，which is being prepared to come out now. * 语法精讲·难点透析 随堂训练·巩固提升 课时规范训练 ⑤I have been visiting my hometown recently，and it impresses me differently each time. ⑥I have visited my hometown recently，whose changes have left a deep impression on me. ⑦Recently she has always been helping me. ⑧Recently she has helped me a lot. * 语法精讲·难点透析 随堂训练·巩固提升 课时规范训练 (1)由句子①②③看出现在完成进行时的构成形式为：______________________。 (2)比较句子③④，___________________强调动作未完成；而________________强调动作已经结束。 (3)比较句子⑤⑥，___________________强调动作的重复，______________可以表示一次性动作。 (4)比较句子⑦⑧，___________________表示一种感情色彩；______________则陈述一种事实。 have/has＋been＋doing 现在完成进行时 现在完成时 现在完成进行时 现在完成时 现在完成进行时 现在完成时 * 语法精讲·难点透析 随堂训练·巩固提升 课时规范训练 * 语法精讲·难点透析 随堂训练·巩固提升 课时规范训练 2．基本结构：have/has been doing We have been waiting for you for half an hour.(动作刚结束) 我们一直等了你半个小时。 The Chinese have been making paper for two thousand years.(动作还将继续下去) 中国有2 000年的造纸历史。 I have been learning English since three years ago.(动作还将继续下去) 自从三年前以来我一直在学英语。 * 语法精讲·难点透析 随堂训练·巩固提升 课时规范训练 You have been coughing a lot lately.(关切) 近来你一直咳嗽。 Too much has been happening today.(感慨) 今天真是个多事的日子啊。 He has always been studying hard.(赞许) 他学习一直很刻苦。 * 语法精讲·难点透析 随堂训练·巩固提升 课时规范训练 【名师点津】　现在完成进行时的特点： (1)兼具现在完成时及现在进行时的特点； (2)可以表示某一动作对现在产生的结果或影响； (3)也可以表示某一动作的延续性、临时性、重复性、生动性及感情色彩。 * 语法精讲·难点透析 随堂训练·巩固提升 课时规范训练 【学以致用1】　补全句子 ①Inventors ___________________ (一直在试图)to make flying cars since the 1930s. ②Tom __________________________(一直在努力学习) since the new term began. ③I __________________________(一直在踢足球) all the morning，so I'm sweating heavily. have been trying has been working hard have been playing football * 语法精讲·难点透析 随堂训练·巩固提升 课时规范训练 二、现在完成进行时与现在完成时的区别 1．现在完成时强调