高中英语Unit5Meeting课件 人教版选修8 40页

Section Ⅳ 　 Grammar & Writing 现在完成进行时 第一板块单元语法 have had has been learning/has learned went haven't heard have been looking have been contributing have been looking stayed wondered have been waiting wrote have been doing have lived have been trying have been expecting been drinking→drunk have→had Have you done→Did you do come→came didn't see→hasn't seen passed 前加 have 去掉 has have been cleaning has always been working been reading this book have been seeing has gone to has been raining have been working has been happening has written Have you met 如何写说明文 第二板块单元写作 date back to/date from centimetre primitive assume significance is made of not only but also it is assumed that have been regarding it as